Publications

A. Articles and books

1.Gudmundsson, A., 1977.                                                                                              Gláma-Þúfufjall. Jarðlagaskipan og jarðsaga.                                                                         (Geology of the Glama-Thufufjall area, SW Iceland).                                                        B.Sc. dissertation, Univ. of Iceland

2.Gudmundsson, A., 1978.
Sprungusvæðið við Voga á Reykjanesskaga.
The fissure swarm at Vogar, Reykjanes Peninsula, SW Iceland.
BSc honours dissertation, University of Iceland.

3.Gudmundsson, A., and Adalsteinsson, B., 1978.
Eyjabakkar.  Jarðfræðiskýrsla.
(Report on the geology of the Eyjabakkar area, NE Iceland).
National Energy Authority, Iceland. OS-ROD-7830.

4.Gudmundsson, A., 1979.
Tectonics of the Reykjanes Peninsula, Southwest Iceland.                                              M.Sc. thesis, Imperial College of Science and Technology, London.

5.Gudmundsson, A., 1980.
The Vogar fissure swarm, Reykjanes Peninsula, SW-Iceland.
Jökull (Iceland Journal of Earth Sciences) 30, 43-64.

6.Gudmundsson, A., 1981.
Stjörnufræði, fyrra hefti.
(Astronomy, volume one). 116 pp., Reykjavik.

7.Gudmundsson, A., 1981.
Æfisaga sólarinnar.
(Evolution of the sun).
Morgunblaðið (the principal newspaper in Iceland), 12 April.

8.Gudmundsson, A., 1981.
Plötukenningin, bylting í jarðvísindum
(Plate tectonics, a revolution in earth sciences).
Morgunblaðið (the principal newspaper in Iceland), 9 May.

9.Gudmundsson, A., 1981.
Tunglið.
(The moon).
Morgunblaðið (the principal newspaper in Iceland), 24 May.

10.Gudmundsson, A., 1981.
Merkúr.
(Mercury).
Morgunblaðið (the principal newspaper in Iceland), 16 August.

11.Gudmundsson, A., 1981.
Geimnýlendur.
(Space colonies).
Morgunblaðið (the principal newspaper in Iceland), 8 November.

12.Gudmundsson, A., 1982.
Stjörnufræði, seinna hefti
(Astronomy, volume two). 166 pp., Reykjavik.

13.Gudmundsson, A., 1983.
Form and dimensions of dykes in eastern Iceland.
Tectonophysics 95, 295-307.

14.Gudmundsson, A., 1983.
Stress estimates from the length/width ratios of fractures.
J. Struct. Geol. 5, 623-626.

15.Gudmundsson, A.,                                                                                                     1984.Tengsl jarðhita við ganga og sprungur í Vestur-Barðastrandarsýslu.
(Report on the association of geothermal water with dykes and fractures in NW Iceland).
National Energy Authority, Iceland.

16.Gudmundsson, A., 1984.
Tectonic aspects of dykes in northwestern Iceland.
Jökull (Iceland Journal of Earth Sciences) 34, 81-96.

17.Gudmundsson, A., 1984.
A study of Dykes, Fissures and Faults in Selected Areas of Iceland.
Ph.D. thesis, University of London, London.

18.Gudmundsson, A., 1984.
Dykes, feeder-dykes, and the intrusion of dykes from magma chambers.
Bull. Volcanol. 47, 537-550.

19.Gudmundsson, A., 1985.
Samsetti gangurinn á Streitishvarfi við Breiðdalsvík
(The composite dyke at the point Streitishvarf, Breiddalsvik, E Iceland).
Náttúrufræðingurinn (Iceland Journal on Natural Sciences) 54, 135-148.

20.Gudmundsson, A., 1985.
Dr. Trausti Einarsson prófessor, minning.
(Prof. Trausti Einarsson geophysicist, obituary)
Jökull 35, 140-147.

21.Gudmundsson, A., 1986.
Formation of crustal magma chambers in Iceland.
Geology 14, 164-166.

22.Gudmundsson, A., 1986.
Possible effect of aspect ratios of magma chambers on eruption frequency.
Geology 14, 991-994

23.Gudmundsson, A., 1986.
Mechanical aspects of postglacial volcanism and tectonics of the Reykjanes Peninsula, southwest Iceland.
J. Geophys. Res. 91, 12,711-12,721.

24.Gudmundsson, A., 1986.
Sprungurnar á Þingvöllum og myndun þeirra
(The fractures at Thingvellir and their formation).
Náttúrufræðingurinn (Iceland Journal on Natural Sciences) 56, 1-18.

25.Gudmundsson, A., 1987.
Tectonics of the Thingvellir fissure swarm, SW Iceland.
J. Struct. Geol. 9, 61-69.

26.Gudmundsson, A., 1987.
Geometry, formation and development of tectonic fractures on the Reykjanes Peninsula, southwest Iceland.
Tectonophysics 139, 295-308.

27.Gudmundsson, A., 1987.
Formation and mechanics of magma reservoirs in Iceland.
Geophys. J. R. Astr. Soc. 91, 27-41.

28.Gudmundsson, A., 1987.                                                                                          Lateral magma flow, caldera collapse, and a mechanism of large eruptions in Iceland.
J. Volcanol. Geotherm. Res. 34, 65-78.

29.Gudmundsson, A., 1987.
Kvikuhólf í gosbeltum Íslands
(Magma chambers in the volcanic zones of Iceland).
Náttúrufræðingurinn (Iceland Journal on Natural Sciences) 57, 37-53.

30.Gudmundsson, A., 1988.
Formation of collapse calderas.
Geology 16, 808-810.

31.Gudmundsson, A., 1988.
Effect of tensile stress concentration around magma chambers on intrusion and extrusion frequencies.
J. Volcanol. Geotherm. Res. 35, 179-194.

32.Gautneb, H., Gudmundsson, A. and Oskarsson, N., 1989.
Structure, petrochemistry and evolution of a sheet swarm in an Icelandic volcano.
Geol. Mag. 126, 659-673.

33.Opheim, J.A. and Gudmundsson, A., 1989.
Formation and geometry of fractures, and related volcanism, of the Krafla fissure swarm, NE Iceland.
Bull. Geol. Soc. America 101, 1608-1622.

34.Bäckström, K. and Gudmundsson, A., 1989.
The grabens of Sveinar and Sveinagja, NE Iceland.
Nordic Volcanological Institute, Report 8901, 38 pp.

35.Gudmundsson, A., 1989.
Innskotatíðni kvikuhólfa og gostíðni eldstöðvakerfa.
(Intrusion frequency of magma chambers and extrusion frequency of volcanic systems in Iceland).
Náttúrufræðingurinn (Iceland Journal on Natural Sciences) 59, 39-54.

36.Gudmundsson, A., 1990.
Emplacement of dikes, sills and crustal magma chambers at divergent plate boundaries.
Tectonophysics 176, 257-275.

37.Gudmundsson, A., 1990.
Dyke emplacement at divergent plate boundaries.
In: A.J. Parker, P.C. Rickwood and D.H. Tucker (Eds.), Mafic Dykes and Emplacement Mechanisms.
Balkema, Rotterdam, pp. 47-62.

38.Forslund, T. and Gudmundsson, A., 1991.
Crustal spreading due to dykes and faults in SW Iceland.
J. Struct. Geol. 13, 443-457.

39.Gudmundsson, A. and Bäckström, K., 1991.
Structure and development of the Sveinagja graben, Northeast Iceland.
Tectonophysics 200, 111-126.

40.Forslund, T. and Gudmundsson, A., 1992.
Structure of Tertiary and Pleistocene normal faults in Iceland.
Tectonics 11, 57-68

41.Gudmundsson, A., Oskarsson, N., Grönvold, K., Saemundsson, K.,Sigurdsson, O., Stefansson, R., Gislason, S.R., Einarsson, P., Brandsdottir, B., Larsen, G., Johannesson, H. and Thordarson, Th., 1992.
The 1991 eruption of Hekla, Iceland.
Bull. Volcanol. 54, 238-246

42.Gautneb, H. and Gudmundsson, A., 1992.
Effect of local and regional stress fields on sheet emplacement in West Iceland.
J. Volcanol. Geotherm. Res. 51, 339-356.

43.Gudmundsson, A., Bergerat, F., Angelier, J. and Villemin, T., 1992.
Extensional tectonics of southwest Iceland.
Bull. Geol. Soc. France 163, 561-570.

44.Gudmundsson, A., 1992.
Formation and growth of normal faults at the divergent plate boundary in Iceland.
Terra Nova 4, 464-471.

45.Gudmundsson, A., and Saemundsson, K., 1992.
Heklugosið 1991: Gangur gossins og aflfræði Heklu.
(The Hekla eruption 1991 and the mechanics of the Hekla volcano).
Náttúrufræðingurinn (The Iceland Journal on Natural Sciences) 61, 145-158.

46.Gudmundsson, A., Brynjolfsson, S. and Jonsson, M. Th., 1993.
Structural analysis of a transform fault-rift zone junction in North Iceland.
Tectonophysics 220, 205-221.

47.Gudmundsson, A., 1993.
On the structure and formation of fracture zones.
Terra Nova 5, 21-224.

48.Gudmundsson, A. and Brynjolfsson, S., 1993.
Overlapping rift-zone segments and the evolution of the South Iceland seismic zone.
Geophys. Res. Lett. 20, 1903-1906.

49.Långbacka, B. and Gudmundsson, A., 1993.
Structural data from the Tröllaskagi peninsula, North Iceland.
Nordic Volcanological Institute, Report 9301, 39 pp.

50.Fjäder, K., Gudmundsson, A. and Forslund, T., 1994.
Dikes, minor faults and mineral veins associated with a transform fault in North Iceland.
J. Struct. Geol. 16, 109-119.

51.Gudmundsson, A., 1995.
Infrastructure and mechanics of volcanic systems in Iceland.
J. Volcanol. Geotherm. Res. 64, 1-22.

52.Långbacka, B.O. and Gudmundsson, A., 1995.
Extensional tectonics in the vicinity of a transform fault in north Iceland.
Tectonics 14, 294-306.

53.Gudmundsson, A. Fjäder, K., 1995.
Dikes, minor faults and mineral veins associated with a transform fault in North Iceland: Reply.
J. Struct. Geol. 17, 1633-1636.

54.Gudmundsson, A., 1995.
Ocean-ridge discontinuities in Iceland.
J. Geol. Soc. London 152, 1011-1015.

55.Gudmundsson, A., 1995.
The geometry and growth of dykes.
In: G. Baer and A. Heimann (Eds.), Physics and Chemistry of Dykes, pp. 23-33. Balkema, Rotterdam.

56.Gudmundsson, A., 1995.
Stress fields associated with oceanic transform faults.
Earth Planet. Sci. Lett. 136, 603-614.

57.Rossi, M. and Gudmundsson. A., 1996.
The morphology and formation of flow-lobe tumuli on Icelandic shield volcanoes.
J. Volcanol. Geotherm. Res. 72, 291-308.

58.Gudmundsson, A., Bergerat, F. and Angelier, J., 1996.
Off-rift and rift-zone palaeostresses in Northwest Iceland.
Tectonophysics 255, 211-228.

59.Gudmundsson, A., 1996.
Geometry, displacements and driving stresses of seismogenic faults in Iceland. In: B. Thorkelsson (Ed.), Seismology in Europe.
Icelandic Meteorological Office, Reykjavik, 193-198.

60.Angelier, J., Rögnvaldsson, S., Bergerat, F., Gudmundsson, A., Jakobsdottir, S. and Stefansson, R., 1996.
Earthquake focal mechanisms and recent faulting: a seismotectonic analysis in the Vordufell area, South Iceland Seismic Zone.
In: B. Thorkelsson (Ed.), Seismology in Europe. Icelandic Meteorological Office, Reykjavik, 199-204.

61.Gudmundsson, A., 1996. Abstract and talk.
Explosive eruptions triggered by dip slip on caldera faults.
EGS XXI, The Hague, Holland.

62.Gudmundsson, A., 1997.
Stress fields controlling strike-slip faulting in Iceland.
Physics and Chemistry of the Earth 21, 261-265.

63.Gudmundsson, A., Marti, J. and Turon, E., 1997
Stress fields generating ring faults in volcanoes
Geophys. Res. Lett. 24, 1559-1562

64.Marti, J., Hurlimann, M., Ablay, G.J., and Gudmundsson, A., 1997.
Vertical and lateral collapses on Tenerife (Canary Islands) and other volcanic ocean islands.
Geology 25, 879-882.

65.Gudmundsson, A., Turon, E. and Marti, J., 1997.
Numerical modelling of stress fields around magma chambers and the generation of ring faults.
In:V.Pawlowsky-Glahn (Ed.), Proceedings of IAMG’97 Third Annual Conference of the International Association for Mathematical Geology.
CIMNE (International Center for Numerical Methods in Engineering) Barcelona, pp. 401-406.

66.Gudmundsson, A., 1998.
Formation of normal-fault calderas and the initiation of explosive eruptions by fault slip.
Bull. Volcanol. 60, 160-170.

67.Gudmundsson, A., 1998.
Magma chambers modeled as cavities explain the formation of rift-zone central volcanoes and their eruption and intrusion statistics.
J. Geophys. Res. 103, 7401-7412.

68.Rögnvaldsson, S. Th., Gudmundsson, A., and Slunga, R., 1998.
Seismotectonic analysis of the Tjörnes Fracture Zone, an active transform fault in North Iceland.
J. Geophys. Res.103, 30117-30129.

69.Bergerat, F., Gudmundsson, A., Angelier, J. and Rögnvaldsson, S. Th., 1998.
Seismotectonics of the central part of the South Iceland Seismic Zone.
Tectonophysics 298, 319-335.

70.Marti, J., Hurlimann, M., Ablay, G.J. and Gudmundsson, A., 1998.
Vertical and lateral collapses on Tenerife (Canary Islands) and other volcanic ocean islands.
Reply. Geology 26, 862-863.

71.Gudmundsson, A., 1999.
Explosive eruptions triggered by dip slip on caldera faults.
Volcanology and Seismology 20, 239-254.

72.Gudmundsson, A., Marinoni, L.B. and Marti, J., 1999.
Injection and arrest of dykes: implications for volcanic hazards.
J. Volcanol. Geotherm. Res. 88, 1-13.

73.Gudmundsson, A. and Marinoni, L.B., 1999.
Geometry, emplacement and arrest of dykes.
Ann. Tecton. 13, 71-92.

74.Gudmundsson, A., 1999.
Postglacial crustal doming, stresses and fracture formation with application to Norway.
Tectonophysics 307, 407-419.

75.Gudmundsson, A. and Homberg, C., 1999.
Evolution of stress fields and faulting in seismic zones.
Pure Appl. Geophys. 154, 257-280.

76.Gudmundsson, A., 1999.
Fluid overpressure and stress drop in fault zones.
Geophys. Res. Lett. 26, 115-118.

77.Belardinelli, M.E., Bonafede, M. and Gudmundsson, A., 2000.
Secondary earthquake fractures generated by a strike-slip fault in the South Iceland Seismic Zone.
J. Geophys. Res. 105, 13,613-13,629.

78.Marti, J. and Gudmundsson, A., 2000.
The Las Canadas caldera (Tenerife, Canary Islands): Example of an overlapping collapse caldera generated by magma-chamber migration.
J. Volcanol. Geotherm. Res. 103, 161-173.

79.Marinoni, L.B. and Gudmundsson, A., 2000.
Brittle deformation in pre-erosional deposits of a volcanic island:
The Teno and Anaga massifs (Tenerife, Canary Islands).
J. Volcanol. Geotherm. Res. 103, 83-103.

80.Gudmundsson, A., 2000.
Dynamics of volcanic systems in Iceland: Example of tectonism and volcanism at juxtaposed hotspot and mid-ocean ridge systems.
Ann. Rev. Earth Planet. Science 28, 107-140.

81.Acocella, V., Gudmundsson, A. and Funiciello, R., 2000.
Interaction and linkage of extensional fractures: Examples from the rift zone of Iceland.
J. Struct. Geol. 22, 1233-1246.

82.Gudmundsson, A., 2000.
Active fault zones and groundwater flow.
Geophys. Res. Lett. 27, 2993-2996.

83.Gudmundsson, A., 2000.
Fracture dimensions, displacements and fluid transport.
J. Struct. Geol. 22, 1221-1231.

84.Angelier, J., Bergerat, F., Chu, H. T., Gudmundsson, A., Hu, J.C., Lee, J. C., Homberg, C., Kao, H. and Rognvaldsson, S.T., 2000.
Active faulting, earthquakes and deformation-stress fields: from Mid-Atlantic Ridge spreading (Iceland) to collision in Southeast Asia (Taiwan).
In: B. Thorkelsson and M. Yeroyanni (Eds.), Destructive Earthquakes.
Proceedings of the Second EU-Japan Workshop on Seismic Risk, pp. 48-61.

85.Gudmundsson, A. and Brenner, S.L., 2001.
How hydrofractures become arrested.
Terra Nova 13, 456-462.

86.Gudmundsson, A., Berg, S.S., Lyslo, K.B., and Skurtveit, E., 2001.
Fracture networks and fluid transport in active fault zones.
J. Struct. Geol. 23, 343-353.

87.Gudmundsson, A., 2001.
Fluid overpressure and flow in fault zones: Field measurements and models.
Tectonophysics 336, 183-197.

88.Gudmundsson, A., 2002.
Emplacement and arrest of sheets and dykes in central volcanoes.
J. Volcanol. Geotherm. Res. 116, 279-298.

89.Crampin, S., Volti, T. Chastin, S., Gudmundsson, A. and Stefansson, R., 2002. Indication of high pore-fluid pressures in a seismically active fault zone. Geophys.
J. Int. 151, F1-F5.

90.Gudmundsson, A., Fjeldskaar, I. and Gjesdal, O., 2002.
Fracture-generated permeability and groundwater yield in Norway.
NGU Bulletin 439, 61-69.

91.Gudmundsson, A., Fjeldskaar, I. and Brenner, S.L., 2002.
Propagation pathways and fluid transport in jointed and layered rocks in geothermal fields.
J. Volcanol. Geotherm. Res. 116, 257-278.

92.Lie, H. and Gudmundsson, A., 2002.
The importance of hydraulic gradient, lineament trend, proximity to lineaments and surface drainage pattern for yield of groundwater wells on Askøy, West Norway.                         NGU Bulletin 439, 51-60.

93.Brenner, S.L. and Gudmundsson, A., 2002.
Permeability development during hydrofracture propagation in layered reservoirs.
NGU Bulletin 439, 71-77.

94.Marinoni, L.B. and Gudmundsson, A., 2002.
Reply to Comment on “Dykes, faults and palaeostresses in the Teno and
Anaga massifs of Tenerife (Canary Islands).
J. Volcanol. Geotherm. Res. 115, 573-575.

95.Gudmundsson, A. and Brenner, S.L., 2003.
Loading of a seismic zone to failure deforms nearby volcanoes: a new earthquake precursor.
Terra Nova 15, 187 – 193.

96.Furnes, H., Hellevang, B., Robins, B. and Gudmundsson, A., 2003.
Geochemical stratigraphy and magma-chamber dynamics of the lavas of the Solund-Stavfjord Ophiolite Complex, W. Norway.
Bull. Volcanol. 65, 441-457.

97.Bergerat, F., Angelier, J., Gudmundsson, A. and Torfason, H., 2003.
Push-ups, fracture patterns, and palaeoseismology of the Leirubakki Fault, South Iceland.
J. Struct. Geol. 25, 591-609.

98.Gudmundsson, A., Gjesdal, O., Brenner, S.L. and Fjeldskaar, I., 2003.
Effects of growth of fractures through linking up of discontinuities on groundwater transport.
Hydrogeol. J. 11, 84 – 99.

99.Gudmundsson, A., 2003.
Surface stresses associated with arrested dykes in rift zones.
Bull. Volcanol. 65, 606-619.

100.Babiker, M. and Gudmundsson, A. 2003.
Conceptual model of groundwater flow in arid land based on satellite images and digital elevation model. Proceedings, International Symposium for Remote Sensing of the Environment, Honolulu, November, 2003.
PS-IV.17.

101.Brenner, S.L. and Gudmundsson, A. 2003.
Permeability in layered reservoirs: field examples and models on the effects of hydrofracture propagation. In: Stephansson, O., Hudson, J.A. and Jing, L. (Eds.): GeoProc, International Conference on Coupled T-H-M-C Processes in Geo-systems: Fundamentals, Modelling, Experiments and Applications, Stockholm. 641-646.

102.Gudmundsson, A., 2004.
Effects of Young’s modulus on fault displacement.
C. R. Geoscience 336, 85-92.

103.Gudmundsson, A. and Brenner, S.L., 2004.
Local stresses, dyke arrest, and surface deformation in volcanic edifices and rift zones.
Ann. Geophys. 47, 1433-1454

104.Babiker, M. and Gudmundsson, A., 2004.
The effects of dykes and faults on groundwater flow in an arid land: the Red Sea Hills, Sudan.
J. Hydrol. 297, 256-273.

105.Babiker, M. and Gudmundsson, A., 2004.
Geometry, structure and emplacement of mafic dykes in the Red Sea Hills, Sudan.
J. African Earth Sciences 38, 279-292.

106.Brenner, S.L. and Gudmundsson, A., 2004.
Arrest and aperture variation of hydrofractures in layered reservoirs.
In: J.W. Cosgrove and T. Engelder (Eds.), The Initiation, Propagation, and Arrest of Joints and other Fractures.
Geol. Soc. London, Special Publications 231, 117-128.

107.Gudmundsson, A. and Brenner, S.L., 2004.
How mechanical layering affects local stresses, unrests, and eruptions of volcanoes.
Geophys. Res. Lett. 31 (L16606), doi:10.1029/2004GL020083.

108.Gudmundsson, A. and Brenner, S.L., 2005.
On the conditions of sheet injections and eruptions in stratovolcanoes.
Bull. Volcanol. 67, 768-782.

109.Gudmundsson, A. and Loetveit, I.F., 2005.
Dyke emplacement in a layered and faulted rift zone.
J. Volcanol. Geotherm. Res. 144, 311-328

110.Gudmundsson, A., Acocella, V. & de Natale, G. 2005.
The Tectonics and Physics of Volcanoes – Preface.
J. Volcanol. Geotherm. Res. 144, 329-330

111.Gudmundsson, A., 2005.
Effects of mechanical layering on the development of normal faults and dykes in Iceland.
Geodinamica Acta 18, 11-30.

112.Gudmundsson, A., 2005.
The effects of layering and local stresses in composite volcanoes on dyke emplacement and volcanic hazards.
C. R. Geoscience 337, 1216-1222.

113.Burchardt, S., Friese, N., Krumbholz, M. and Gudmundsson, A., 2005.
Natürliche geothermische Reservoire in Island: Bedeutung für künstliche geothermische Reservoire in Deutschland.
Geothermische Jahrestagung 2005: Geothermie: Synergie und Effizienz. 16-17. November, Unterschleißheim, 153-170.

114.Philipp, S.L., Hoffmann, S., Müller, C. and Gudmundsson, A., 2005.
Verringerung des Fündigkeitsrisikos für tiefengeothermische Projekte durch strukturgeologische Geländestudien und numerische Modelle.
Geothermische Jahrestagung 2005: Geothermie: Synergie und Effizienz. 16.-17. November, Unterschleißheim, 113-124.

115.Gudmundsson, A., Acocella, V. and de Natale, G. (Editors), 2005.
The Tectonics and Physics of Volcanoes.
Journal of Volcanology and Geothermal Research, 144 Special Issue, 330 pp.

116.Gudmundsson, A., and Philipp, S.L. 2006.                                                                  How local stress fields prevent volcanic eruptions.                                                                J. Volcanol. Geotherm. Res. 158, 257-268.

117.Gudmundsson, A., and Nilsen, K., 2006.                                                                         Ring faults in composite volcanoes: structures, models, and stress fields associated with their formation.                                                                                                                        In: G. De Natale, C. Kilburn, C. Troise (Editors), Mechanisms of Activity and Unrest at Large Calderas. Geol. Soc. London Special Publication, 269, 83-108.

118.Gudmundsson, A., 2006.                                                                                                  How local stresses control magma-chamber ruptures, dyke injections, and eruptions in composite volcanoes.                                                                                                  Earth-Sci. Reviews 79, 1-31.

119.Philipp, S.L., Leiss, B., Vollbrecht, A., Tanner, D.,and  Gudmundsson, A. (Editors), 2006.
11. Symposium „Tektonik, Struktur- und Kristallingeologie“ Zusammenfassungen der Tagungsbeiträge, Göttingen, Germany, 22 – 24 March, 2006, 273 pp.

120.udmundsson, A., 2007.                                                                                       Conceptual and numerical models of ring-fault formation.                                                    J. Volcanol. Geotherm. Res., 164, 142-160.

121.Gudmundsson, A., 2007.                                                                                        Infrastructure and evolution of ocean-ridge discontinuities in Iceland.                                     J. Geodynamics 43, 6-29.

122.Andrew, R.E.B., and Gudmundsson, A., 2007.                                                          Distribution, structure, and formation of Holocene lava shields in Iceland.                           J. Volcanol. Geotherm. Res., 168, 137-154.

123.Gudmundsson, A., and Andrew, R.E.B., 2007.                                                                Mechanical interaction between active volcanoes in Iceland.                                          Geophys. Res. Lett., 34, doi:10.1029/2007GL029873

124.Philipp, S.L., Gudmundsson, A., Hoffmann, S., Oelrich, A., and Bartelsen, T., 2007.                                                                                                                                   How structural geology can contribute to make geothermal projects successful. Proceedings of the European Geothermal Congress, 30 May – 1 June 2007 in Unterhaching, Germany .

125.Gudmundsson, A., 2007.                                                                                     Geothermy and the Blue Lagoon Iceland.                                                                             Interview (in German) in Bild der Wissenschaft, 10/2007, p.69.

126.Gudmundsson, A., and Philipp, S.L., 2007.                                                                Warum sind Vulkanausbrüche so selten? (Why are volcanic eruptions so rare?)               Spectrum (the German version of “Scientific American”), pp. 52-59, July 2007.

127.Gudmundsson, A., 2008.                                                                                     Magma-chamber geometry, fluid transport, local stresses, and rock behaviour during collapse-caldera formation.                                                                                                   In: J. Gottsmann, J. Marti (Editors), Caldera Volcanism: Analysis, Modelling and Response. Developments in Volcanology 10. Elsevier, Amsterdam, pp. 313-349.

128.Letourneur, L., Peltier, A., Staudacher, Th., Gudmundsson, A., 2008.
Implications of medium heterogeneity on asymmetric deformation: an example of the Piton de la Fournaise (Réunion Island).                                                                                          J. Volcanol. Geotherm. Res., 173, 289-302.

129.Gudmundsson, A., Galindo, I., Friese, N., and Philipp, S.L., 2008.                               Dyke-induced reverse faulting in a graben.                                                                           Geology, 36, 123-126.

130.Andrew, R.E.B., and Gudmundsson, A., 2008.                                                               Volcanoes as elastic inclusions: Their effects on the propagation of dykes, volcanic fissures, and volcanic zones in Iceland.                                                                                 J. Volcanol. Geotherm. Res., 177, 1045-1054.

131.Burchardt, S., and Gudmundsson, A., 2009.                                                                  Infrastructure and evolution of the sheet swarm of the Geitafell Volcano, Southeast Iceland.                                                                                                                                  In:  Thordarson, T., Self, S., Larsen, G., Rowland, S. K. Hoskuldsson (eds), A.Studies in Volcanology: The Legacy of  George Walker. Special Publications of IAVCEI, 2, 349–369. The Geological Society of London, London.

132.Gudmundsson, A., Friese, N., Andrew, R., Philipp, S.L., Ertl, G., Letourneur, L., 2009. Effects of dyke emplacement and plate pull on mechanical interaction between volcanic systems and central Volcanoes in Iceland.                                                                           In:  Thordarson, T., Self, S., Larsen, G., Rowland, S. K. Hoskuldsson (eds), A.Studies in Volcanology:The Legacy of  George Walker. Special Publications of IAVCEI, 2, 331–347. The Geological Society of London, London.

133.Gudmundsson, A., Acocella, V., Vinciguerra, S., 2009.                                                  Understanding stress and deformation in active volcanoes.                                  Tectonophysics, 471, 1-3.

134.Kusumoto, S., and Gudmundsson, A., 2009.                                                              Magma-chamber volume changes associated with ring-fault initiation using a finite-sphere model: Application to the Aira caldera, Japan.                                                      Tectonophysics, 471, 58-66.

135.Gudmundsson, A., 2009.                                                                                     Material toughness and failure of volcanic edifices.                                                        Tectonophysics, 471, 27-35.

136.Kusumoto, S., Gudmundsson, A., Takemuara, K., 2009.                                     Magma chamber volume change required for initial caldera (ring-fault)
formation                                                                                                                                 J. Geol. Soc. Japan (in press, in Japanese with English abstract).

137.Gudmundsson, A., Acocella, V., Vinciguerra, S. (Editors), 2009.                          Understanding Stress and Deformation in Active Volcanoes.                                    Tectonophysics , Special Issue, 427, 1-169.

Geshi, N., Kusumoto, S., Gudmundsson, A., 2010.                                                            The geometric difference between non-feeders and feeder dikes.                                       Geology, 38, 195-198.

138.Gudmundsson, A., Simmenes, T.H., Larsen, B., Philipp, S.L., 2010.                          Effects of internal structure and local stresses on fracture propagation, deflection, and arrest in fault zones.                                                                                                            Journal of Structural Geology doi:10.1016/j.jsg.2009.08.013

139.Larsen, B., Grunnaleite, I., Gudmundsson, A., 2010.                                                      How fracture systems affect permeability development in shallow-water carbonate rocks: an example from the Gargano Peninsula, Italy.                                                             Journal of Structural Geology doi:10.1016/j.jsg.2009.05.009

140.Gudmundsson, A., 2010.                                                                                            Deflection of dykes into sills at discontinuities and  magma-chamber formation.           Tectonophysics  doi:10.1016/j.tecto.2009.10.015

141.Larsen, B., Gudmundsson, A., Grunnaleite, I., Saelen, G., Talbot, M., 2010.           Influence of key sedimentary interfaces on fracture pattern, linkage and cluster formation inperitidal carbonate rocks.                                                                                                  Mar. Petrol. Geol., 27, 1531-1550.

142.Kusumoto, S., Gudmundsson, A., 2010.                                                                    Displacement and stress fields around rock fractures opened by irregular overpressure variation given by Fourier cosine series.                                                                       Geophys. J. Int. (accepted with revision).

143.Galindo, I., Gudmundsson, A., 2010.                                                                Geometry, intrusion and eruption of basaltic feeder dykes in rift zones: examples from Tenerife and Iceland                                                                                               Tectonophysics (submitted).

144.Larsen, B., Gudmundsson, A.,  2010.                                                                     Linking of fractures in layered rocks: implications for permeability.                                    Tectonophysics doi:10.1016/j.tecto.2010.05.022.

145.Philipp, S.L., Gudmundsson, A., 2011.                                                                   Effects of mechanical  layering on the emplacement of hydrofractures and fluid transport in reservoirs.                                                                                                                              Earth Science Reviews (accepted with revision).

146.Gudmundsson, A., Kusumoto, S., Simmenes, T.H., Philipp, S.L., Larsen, B., 2011.     Opening-displacement variations and fluid flow rates in rock fractures.                                Journal of Structural Geology (in review).

147.Gudmundsson, A., 2011.                                                                                           How stratovolcanoes become strong.                                                                          Journal of Volcanology and Geothermal Research (in review)

148.Gudmundsson, A., Mohajeri, N, 2011.                                                                            Relations between the scaling exponents and entropies of fracture networks.           Bulletin of the Geological Society of  France, article in press.

149.Mohajeri, N, 2011. Gudmundsson, A.,                                                                    Entropies and scaling exponents of street and fracture networks                                      Entropy, 14, 800-833.

150.Gudmundsson, A. 2011.                                                                                            Rock Fractures in Geological Processes.                                                                      Cambridge University Press, 592 pp.

151.Gudmundsson, A., 2012.                                                                                           The Geology of Iceland in Relation to Global Tectonics.                                                  Springer Verlag (to be published in 2012).

B. Abstracts, talks and posters

1.Gudmundsson, A., 1987. Abstract and poster
Effect of tensile stress concentration around magma chambers on extrusion and intrusion frequencies of volcanoes. Conference in Hawaii, USA.

2.Gudmundsson, A., 1988. Abstract and talk.
Structure and formation of dyke swarms in Iceland.
Meeting on Mafic Dyke Swarms, Lund, Sweden.

3.Gudmundsson, A., 1990. Extended abstract and talk.
Geometric models of dykes.
Nordic Winter meeting, Stavanger, Norway.

4.Gudmundsson, A., 1990. Talk.
The volcano-tectonics of Iceland.
Univ. Pierre et Marie Curie, Paris, France.

5.Gudmundsson, A., 1990. Abstract.
Dyke emplacement at divergent plate boundaries.
Second International Dyke Conference, Adelaide, Australia.

6.Gudmundsson, A., 1990. Abstract and talk.
Mechanics of dyke emplacement in Iceland.
IGCP-257 Group Meeting, Stavanger, Norway.

7.Forslund, T. and Gudmundsson, A., 1991. Abstract and talk.
Structure of Tertiary and Pleistocene normal faults in Iceland.
EUG VI, Strasbourg, France.

8.Bergerat, F., Angelier, J., Villemin, T. and Gudmundsson, A., 1991.
Abstract and poster.
Rift tectonics and paleostress fields in SW Iceland.
EUG VI, Strasbourg, France.

9.Gudmundsson, A., 1991. Abstract and talk.
Formation and development of normal faults in Iceland.
EUG VI, Strasbourg, France.

10.Gudmundsson, A., 1991. Abstract and talk.
Infrastructure of volcanic systems in the rift zone of Iceland.
International Conference on Active Volcanoes and Risk Mitigation, Napoli, Italy.

11.Gudmundsson, A., 1992. Abstract and talk.
Structure of a transform fault-rift zone junction in North Iceland.
Nordic Winter Meeting, Reykjavik, Iceland.

12.Gudmundsson, A., 1992. Talk.
The structure of the on-land part of a transform zone in northern Iceland.
Univ. Pierre et Marie Curie, Paris, France.

13.Gudmundsson, A., 1992. Abstract and talk.
Power-law (fractal) distributions of fracture parameters in Iceland.
EGS XVII, Edinburgh, UK.

14.Gudmundsson, A., 1992. Talk and extended abstract.
Structural geology and mechanics of volcanic systems in Iceland. Liverpool, UK.

15.Gudmundsson, A., 1993. Abstract and talk.
Infrastructure of the Tjörnes Fracture Zone and its implications for fracture-zone formation.
EUG VII, Strasbourg, France.

16.Bergerat, F., Gudmundsson, A., and Angelier, J., 1993. Abstract and poster.
Tertiary faults, dykes and paleostresses in northern Iceland.
EUG VII, Strasbourg, France.

17.Gudmundsson, A., 1993. Abstract and poster.
Magma chambers and dyke emplacement in Iceland.
AGU Fall Meeting, San Francisco, USA.

18.Gudmundsson, A., 1994. Abstract and talk.
Mid-ocean ridge discontinuities in Iceland.
Geol. Soc. London, Arthur Holmes Meeting, Reykjavik, Iceland.

19.Gudmundsson, A., 1994. Talk.
Tectonics of the plate boundary in Iceland.
Ocean Drilling Project Meeting, Reykjavik, Iceland.

20.Gudmundsson, A., 1994. Talk.
Ocean-ridge discontinuities and transform zones in Iceland.
Université de Savoie, France.

21.Gudmundsson, A., 1994. Talk.
Mechanics and evolution of rift-zone volcanic systems in Iceland.
University of Copenhagen, Denmark.

22.Gudmundsson, A., 1994. Abstract and poster.
Origin and volcano-tectonic effects of off-rift stress fields.
AGU Spring Meeting, Baltimore, USA.

23.Gudmundsson, A., 1994. Abstract and talk.
Development of the South Iceland Seismic Zone.
EGS XIX, Grenoble, France.

24.Gudmundsson, A., 1994. Talk.
Structure and development of mid-ocean ridge discontinuities in Iceland.
University of Copenhagen, Denmark.

25.Gudmundsson, A., 1994. Talk and extended abstract.
Contrasting evolution of strike-slip faults in North and South Iceland.
Meeting of the Tectonic Studies Group on Fault Populations, Edinburgh, UK.

26.Gudmundsson, A., 1995. Abstract and talk.
The geometry and growth of dykes.
Third International Dyke Conference, Jerusalem, Israel.

27.Gudmundsson, A., 1995. Talk.
Fracture-zone tectonics in Iceland.
NorFa Summer School, Husavik, Iceland.

28.Gudmundsson, A., 1995. Talk.
Rift-zone tectonics in Iceland.
NorFa Summer School, Husavik, Iceland.

29.Rossi, M., and Gudmundsson, A., 1995. Abstract and poster.
The morphology and formation of flow-lobe tumuli on Icelandic shield volcanoes.
AGU Fall Meeting, San Francisco, USA.

30.Gudmundsson, A., 1996. Abstract and talk.
Emplacement and arrest of dykes.
The Nordic Winter meeting, Turku, Finland.

31.Gudmundsson, A., 1996. Abstract and talk.
Structural elements and stress fields associated with oceanic transform faults.
The Nordic Winter meeting, Turku, Finland.

32.Gudmundsson, A., 1996. Abstract and talk.
Mid-ocean ridge processes in Iceland.
EGS XXI, The Hague, Holland.

33.Gudmundsson, A., 1996. Abstract and talk.
Geometry and formation of caldera faults.
European Seismological Commission Conference, Reykjavik, Iceland.

34.Rögnvaldsson, S. Th. and Gudmundsson, A., 1996. Abstract and talk.
Seismicity and style of faulting in the Tjörnes Fracture Zone, North Iceland.
European Seismological Commission Conference, Reykjavik, Iceland.

35.Gudmundsson, A., 1996. Abstract and talk.
Formation and development of tension fractures in a lava pile.
Meeting on Tensile Fractures in the Earth’s Crust, London, UK.

36.Gudmundsson, A., 1996. Abstract and talk.
Stress fields controlling strike-slip faulting in Iceland.
EGS XXI, The Hague, Holland.

37.Gudmundsson, A., 1996. Abstract and talk.
Geometry, displacements and driving stresses of seismogenic faults in Iceland.
European Seismological Commission Conference, Reykjavik, Iceland.

38.Gudmundsson, A., 1996. Talk.
Formation and development of fractures, with application to fluid flow in solid rocks.
Ten lectures at the University of Bergen, Norway.

39.Angelier, J., Rögnvaldsson, S. Th., Bergerat, F., Gudmundsson, A., Jakobsdottir, S. and Stefansson, R., 1996. Abstract and talk.
Earthquake focal mechanisms and recent faulting: A seismotectonic analysis in the Vördufell area, South Iceland Seismic Zone.
European Seismological Commission Conference, Reykjavik, Iceland.

40.Gudmundsson, A., Marti, J. and Turon, E., 1997. Abstract.
Initiation of the faults of collapse calderas.
IAVCEI General Assembly, Mexico.

41.Gudmundsson, A., 1997. Talk
Faulting and fluid transfer in the Tjörnes Fracture Zone, North Iceland.
Meeting of the Prenlab group, Paris, France.

42.Bergerat, F., Angelier, J., Gudmundsson, A. and Rögnvaldsson, S. Th., 1997. Abstract and poster.
Joint study of recent faulting and earthquake focal mechanisms in the South Iceland Seismic Zone: the Vördufell area as a case example.
EUG9, Strasbourg, France.

43.Villemin, T., Sigmundsson, F., Jouanne, F. and Gudmundsson, A., 1997. Abstract and talk.
Present-day surface deformation at the rift-transform junction in North Iceland.
EUG9, Strasbourg, France.

44.Belardinelli, M.E., Bonafede, M. and Gudmundsson, A., 1997. Abstract and talk.
Inferences on the regional stress field from the study of secondary earthquake fractures.
EUG9, Strasbourg, France.

45.Gudmundsson, A., Bergerat, F. and Angelier, J., 1997. Abstract and talk.
Strike-slip faults in the central part of the South Iceland Seismic Zone.
EUG9, Strasbourg, France.

46.Gudmundsson, A., 1997. Talk.
Principles of rock-and fracture mechanics applied to volcano-tectonics.
Ten lectures at the Institute of Earth Sciences “Jauma Almera”, Barcelona, Spain.

47.Gudmundsson, A., 1997. Abstract and talk.
Stress fields associated with discontinuities and cavities in rocks.
Geological Society of Norway – Tectonic Study Group Meeting, Stavanger, Norway.

48.Larsen, G. and Gudmundsson, A., 1998. Abstract and talk.
Geometry, morphology and formation of Holocene crater rows in Iceland.
European Geophysical Society, General Assembly, Nice, France.

49.Gudmundsson, A. and Larsen, G., 1998. Abstract and talk.
Large explosive eruptions in Icelandic central volcanoes.
European Geophysical Society, General Assembly, Nice, France.

50.Gudmundsson, A., 1998. Abstract and talk.
Effects of stress fields on the intrusion and extrusion frequencies of central volcanoes.
European Geophysical Society, General Assembly, Nice, France.

51.Gudmundsson, A., 1998. Abstract and talk.
Development of permeability in fault zones.
European Geophysical Society, General Assembly, Nice, France.

52.Gudmundsson, A., 1998. Abstract and talk.
Rift-zone and off-rift earthquakes in Iceland.
European Geophysical Society, General Assembly, Nice, France.

53.Marinoni, L. and Gudmundsson, A., 1998. Abstract.
Dyke emplacement in shield-stage formations of Tenerife.
European Geophysical Society, General Assembly, Nice, France.

54.Marti, J. and Gudmundsson, A., 1998. Abstract and talk.
Overlapping collapse calderas.
European Geophysical Society, General Assembly, Nice, France.

55.Gudmundsson, A., 1998. Abstract and talk.
Homogeneous stress fields generated by dyke emplacement: application to Tenerife, Canary Islands.
The Geology and Geophysics of Tenerife Workshop, 10-15 May 1998, Tenerife, Spain.

56.Marinoni, L. and Gudmundsson, A., 1998. Talk.
Dyke emplacement and stress fields – application to Tenerife.
The Geology and Geophysics of Tenerife Workshop, 10-15 May 1998, Tenerife, Spain.

57.Gudmundsson, A., 1998. Talk.
Stress concentration, fault development and earthquake mechanics.
Eight talks at the Université Pierre et Marie Curie, Paris, France.

58.Gudmundsson, A., 1998. Talk.
Evolution of stresses and faulting in seismic zones.
Université Pierre et Marie Curie, Paris, France.

59.Gudmundsson, A., 1998. Talk.
Effects of stress fields in central volcanoes on dyke injection, collapse-caldera formation and explosive eruptions.
Université Pierre et Marie Curie, Paris, France.

60.Gudmundsson, A., 1998. Talk.
Volcanotectonics of rift zones.
Geological Society of Norway, Bergen, Norway.

61.Gudmundsson, A., 1998. Talk.
Stress fields in seismic zones.
Université de Savoie, Chambery, France

62.Gudmundsson, A., 1998. Talk.
Stress fields and dyke emplacement in volcanoes.
Institut de Physique du Globe, Paris, France.

63.Gudmundsson, A., 1998. Talk.
Faulting and earthquakes in rift zones and transform zones in Iceland.
Univeristé Rennes, Rennes, France.

64.Gudmundsson, A., 1999. Abstract and talk.
Fluid flow in fractured rocks: application to the hydrogeology of Norway.
Geological Society of Norway, General Meeting, Stavanger, Norway.

65.Berg, S.S., Braathen, A., Gudmundsson, A. and Gabrielsen, R.H., 1999.Abstract and poster.
Infrastructure and formation of north-trending lineaments in the Sunnfjord region, western Norway.
Geological Society of Norway, General Meeting, Stavanger, Norway.

66.Berg, S.S., Braathen, A., and Gudmundsson, A., 1999. Abstract and talk.
N-S fracture zones with application to groundwater; results from the Sunnfjord region, western Norway.
Geological Society of Norway, General Meeting, Stavanger, Norway.

67.Gudmundsson, A., 1999. Talk.
Groundwater flow to faults and tunnels.
Meeting on hydrogeology and environmental geochemistry
Geological Survey of Norway, Trondheim, Norway.

68.Skurtveit, E. and Gudmundsson, A., 1999. Poster.
Hydromechanical infrastructure of a major fault zone in Iceland.
Meeting on hydrogeology and environmental geochemistry, the Geological Survey of Norway, Trondheim, Norway

69.Gudmundsson, A., 1999. Talk.
Fault stress, fault slip and fluid transport with application to Norway.
Geological Survey of Norway, Trondheim, Norway.

70.Gudmundsson, A., 1999. Talk.
Volcanism in Iceland.
Museum of Natural History, Bergen, Norway.

71.Gudmundsson, A., 1999. Abstract and talk.
Fluid overpressure and flow in fault zones: field measurements and models.
Workshop on Fluids and Fractures in the Lithosphere, Tectonic Study Group of Nancy, Geological Society of France, Nancy, France.

72.Gudmundsson, A., 1999. Talk.
Hydrogeology and stress-field measurements in the proposed ICDP Tenerife Drilling Project (TDP).
Meeting of the TDP-group, Sitges, Spain.

73.Gudmundsson, A., 1999. Talk.
Postglacial crustal doming, faulting and fluid transport with application to Fennoscandia.
Uppsala University, Sweden.

74.Acocella, V., Gudmundsson, A. and Funiciello, R., 1999. Abstract and talk.
The interaction between extensional segments at the Icelandic mid-oceanic ridge.
EUG10, Strasbourg, France.

75.Berg, S.S., Braathen, A. and Gudmundsson, A., 1999. Abstract and poster.
North-south trending fracture zones in the Sunnfjord region, western Norway.
EUG10, Strasbourg, France.

76.Gudmundsson, A., 1999. Abstract and talk.
Extensional veins used to estimate overpressure and depth of origin of fluids in fault zones.
EUG10, Strasbourg, France.

77.Belardinelli, M.E., Bonafede, M. and Gudmundsson, A., 1999. Abstract and talk.
Multiscale surface faulting generated by strike-slip earthquakes in Iceland.
European Geophysical Society, General Assembly, The Hague, Holland.

78.Gudmundsson, A., 1999. Abstract and talk.
Fluid pressure and stress for large earthquakes.
European Geophysical Society, General Assembly, The Hague, Holland.

79.Gudmundsson, A., 1999. Abstract and talk.
Injection and arrest of water-filled fractures.
European Geophysical Society, General Assembly, The Hague, Holland.

80.Gudmundsson, A., 1999. Abstract and talk.
Flow of groundwater into and along fault zones.
European Geophysical Society, General Assembly, The Hague, Holland.

81.Gudmundsson, A., 1999. Extended abstract and talk.
Similarities in the structural evolution of rift basins and rift-zone grabens.
Norwegian Petroleum Society Meeting on Sedimentary Environments Offshore Norway. Bergen, Norway.

82.Gudmundsson, A., Homberg, C., Bergerat, F. and Angelier, J., 1999. Talk.
Evolution of stress fields and faulting in the South Iceland Seismic Zone.
Meeting of the Prenlab2 Group, Strasbourg, France.

83.Lie, H. and Gudmundsson, A., 2000. Abstract and talk.
Fractures, faults and groundwater flow on Askøy, West Norway.
The Nordic Geological Wintermeeting, Trondheim.

84.Lyslo, K.B. and Gudmundsson, A., 2000. Abstract and talk.
Crustal stresses, fault reactivation and groundwater flow in the Bergen area, western Norway.
The Nordic Geological Wintermeeting, Trondheim.

85.Lyslo, K.B., Gudmundsson, A., Berg, S.S. and Skurtveit, E., 2000.
Abstract and talk.
Geometrical properties, reactivation and hydraulic conductivity of fracture systems in West Norway.
The Nordic Geological Wintermeeting, Trondheim.

86.Gudmundsson, A., 2000. Abstract and talk.
Fault slip and groundwater transport.
The Nordic Geological Wintermeeting, Trondheim.

87.Gudmundsson, A., 2000. Talk.
Hydrofracture development and fluid transport in the Husavik-Flatey Fault.
Meeting of the Smsites group, University of Edinburgh, Edinburgh, UK.

88.Lie, H. and Gudmundsson, A., 2000. Abstract and poster (in Norwegian).
Hydrogeological model of the Abeddissen area, Askøy, West Norway.
Meeting on hydrogeology and environmental geochemistry, the Geological Survey of Norway, Trondheim, Norway.

89.Lyslo, K.B. and Gudmundsson, A., 2000. Abstract and poster.
Permeability and stress concentration around active faults.
Meeting on hydrogeology and environmental geochemistry, the Geological Survey of Norway, Trondheim, Norway.

90.Skurtveit, E., Gjesdal, O. and Gudmundsson, A., 2000. Abstract and poster (in Norwegian).
Hydrogeological model of Øygarden, West Norway.
Meeting on hydrogeology and environmental geochemistry, the Geological Survey of Norway, Trondheim, Norway.

91.Waage, H., Amaral, H., Stueland, E. and Gudmundsson, A., 2000. Abstract and poster (in Norwegian).
Fault zones and permeability in the Vaksdal area.
Meeting on hydrogeology and environmental geochemistry, the Geological Survey of Norway, Trondheim, Norway.

92.Gudmundsson, A., 2000. Abstract and talk.
Propagation of hydrofractures in a layered rock mass.
Meeting on hydrogeology and environmental geochemistry, the Geological Survey of Norway, Trondheim, Norway.

93.Bergerat, F., Angelier, J. and Gudmundsson, A., 2000. Abstract and talk.
The Leirubakki fault, a large earthquake rupture of the South Iceland Seismic Zone.

European Geophysical Society, General Assembly, Nice, France.

94.Gudmundsson, A., 2000. Abstract and talk.
Fracture networks, fluid overpressure and transport in the Husavik-Flatey Fault.
Meeting of the Prenlab2 group, Nice, France.

95.Gudmundsson, A., 2000. Abstract and talk.
Effect of fault slip on the flow of crustal fluids.
European Geophysical Society, General Assembly, Nice, France.

96.Gudmundsson, A., 2000. Abstract and talk.
Magma flow beneath the volcanic zones of Iceland.
European Geophysical Society, General Assembly, Nice, France.

97.Gudmundsson, A., 2000. Talk.
Fracture development and fluid transport in volcanic and seismic zones.
Faculty of Earth Sciences, Utrecht University, Utrecht, The Netherlands.

98.Gudmundsson, A., 2001. Abstract and talk.
Fluid overpressure, earthquakes and landslides.
Slope stability and submarine slides.
Meeting organised by Norsk Hydro, Oslo.

99.Gudmundsson, A., 2001. Abstract and talk.
Displacements, stresses, and arrest of hydrofractures.
EUG 11, Strasbourg, France.

100.Gudmundsson, A., 2001. Abstract and talk
Fluid over pressure and locking of the Husavik-Flatey Fault.
Meeting of the Smsites group, University of Edinburgh, Edinburgh, UK.

101.Gudmundsson, A., 2001. Abstract and talk
Propagation, arrest, and magma transport of sheets in central volcanoes.
European Geophysical  Society, General Assembly, Nice, France

102.Gudmundsson, A., 2001. Abstract and talk.
Propagation, arrest, and magma transport of sheets in central volcanoes.
European Geophysical Society, General Assembly, Nice, France.

103.Gudmundsson, A. and Brenner, S.L., 2001. Abstract and talk
Propagation, arrest and opening up of hydrofractures and joints in layered rocks.
A meeting on “Mechanics of Jointing in the Crust”, Weston Super Mare. UK.

104.Brenner, S.L. and Gudmundsson, A., 2001. Abstract and talk
Numerical models of extension-fracture propagation and aperture variation in heterogeneous reservoirs.
A meeting on “Mechanics of Jointing in the Crust”, Weston Super Mare. UK.

105.Gudmundsson, A., 2001. Talk
Faults, dykes, and fluid transport in volcanic and seismic zones.
Georg-August-University of Goettingen, Goettingen, Germany.

106.Gudmundsson, A., 2001. Abstract
Stress fields and locking of seismic zones: implications for large earthquakes.
32nd Nordic Seminar on Detection Seismology

107.Gudmundsson, A., 2001. Talk
Fluid flow in fractured and jointed rock masses.
Workshop of the Fennoscandian Working Group on Hardrock Hydrogeology, Oslo, Norway

108.Gudmundsson, A., 2001. Talk
Hydrofracture propagation in layered reservoirs.
Meeting on the NFR project: Heterogeneous Reservoirs, Bergen, Norway.

109.Lie, H. and Gudmundsson, A., 2001. Talk
Groundwater potential on Askøy, Western Norway.
Lineaments, hydrogeological models and GIS-analyses.
Workshop of the Fennoscandian Working Group on Hardrock Hydrogeology, Oslo, Norway.

110.Brenner, S.L. and Gudmundsson, A., 2001. Talk
Permeability development in fractured reservoirs.
Workshop of the Fennoscandian Working Group on Hardrock Hydrogeology, Oslo, Norway.

111.Gudmundsson, A., 2002. Abstract and talk
Effects of crustal layering on surface stresses and deformation during dyke emplacement in a rift zone.
European Geophysical Society, General Assembly, Nice, France

112.Brenner, S.L. and Gudmundsson, A., 2002. Abstract and talk
Stress fields around fluid-filled reservoirs and hydrofracture propagation in a layered crust.
European Geophysical Society, General Assembly, Nice, France

113.Brenner, S.L. and Gudmundsson, A., 2002. Abstract and talk
Permeability of layered reservoirs: Effects of hydrofracture propagation and aperture variation.
European Geophysical Society, General Assembly, Nice, France

114.Fjeldskaar, I. and Gudmundsson, A., 2002. Abstract and talk
Propagation pathways and fluid transport in jointed and layered rocks.
European Geophysical Society, General Assembly, Nice, France

115.Simmenes, T.H., and Gudmundsson, A., 2002. Abstract and talk
Fracture frequencies, mechanical properties, stress fields and fluid transport of large fault zones in West Norway.
European Geophysical Society, General Assembly, Nice, France

116.Gudmundsson, A., 2002. Abstract and talk
How crustal layering affects volcano stress fields and probability of eruption during periods of unrest.
European Geophysical Society, General Assembly, Nice, France

117.Gudmundsson, A. and Brenner, S.L., 2002. Invited talk
Propagation of fluid-driven fractures in layered reservoirs.
Geowissenschaftliches Zentrum der Universität Göttingen, Germany, 17 October

118.Gudmundsson, A. and Brenner, S.L., 2002. Invited talk
What do field data and numerical models tell us about the conditions of volcanic eruptions?
Geowissenschaftliches Kolloquium, Geowissenschaftliches Zentrum der Universität Göttingen, Germany, 16 October

119.Brenner, S.L. and Gudmundsson, A., 2003. Abstract and talk
Effects of hydrofracture propagation on permeability in layered reservoirs: field examples and models.
Norwegian Geological Society, Winter Conference, 6-8 January, Oslo, Norway

120.Simmenes, T.H. and Gudmundsson, A., 2003. Abstract and talk
Fault zone development and fluid transport in Vaksdal, West Norway.
Norwegian Geological Society, Winter Conference, 6-8 January, Oslo, Norway

121.Skarstein, S., Gudmundsson, A. and Hallingstad, C., 2003. Abstract and talk
Feltobservasjoner og numerisje modeller av forkastninger og ganger på Tysnes, Vest-Norge.
Norwegian Geological Society, Winter Conference, 6-8 January, Oslo, Norway

122.Ganerød, M. and Gudmundsson, A., 2003. Abstract and talk
Bruddutvirkling i pegmatittganger ved nordlige Bømlo, Vest-Norge.
Norwegian Geological Society, Winter Conference, 6-8 January, Oslo, Norway

123.Venik, R.G.F., Gudmundsson, A., Nesse, O. and Stumo, R., 2003. Abstract and talk
Bruddsystem og spenningsfelt tilknyttet tunneltraséen Ringveg Vest, Bergen.
Norwegian Geological Society, Winter Conference, 6-8 January, Oslo, Norway

124.Larsen, B. and Gudmundsson, A.., 2003. Abstract and poster
Bruddsystemer, aktive forkastninger of grunnvannspotensial på Bømlo, Vestlandet
12th seminar on hydrogeology and environmental geochemistry, 4-5 February, NGU, Trondheim, Norway.

125.Venvik, R.G.F. and Gudmundsson, A., 2003. Abstract and talk
Tunneltraséen Ringveg Vest i Bergen: lokale bruddsystem og spenningsfelt relatert til lekkasje.
12th seminar on hydrogeology and environmental geochemistry, 4-5 February, NGU, Trondheim, Norway.

126.Stumo, R. and Gudmundsson, A., 2003. Abstract and talk
Numerisk modellering av bruddrelatert permeabilitet med anvendelse på tunneler, Ringveg Vest, Bergen.Venvik, R.G.F. and Gudmundsson, A., 2003. Abstract and talk
Tunneltraséen Ringveg Vest i Bergen: lokale bruddsystem og spenningsfelt relatert til lekkasje.
12th seminar on hydrogeology and environmental geochemistry, 4-5 February, NGU, Trondheim, Norway

127.Gudmundsson, A., 2003. Abstract and talk. EAE03-A-04525
Dyke injections and eruptions of volcanic systems fed by double magma chambers.
EGS-AGU-EUG Joint Assembly, 6-11 April, Nice, France

128.Syndes, M., Nilsen, K.H., Gudmundsson, A., Larsen, B.T., 2003. Abstract and poster EAE03-A-04562
Dyke emplacement in the northern part of the Oslo Graben, Norway.
EGS-AGU-EUG Joint Assembly, 6-11 April, Nice, France

129.Nilsen, K.H., Syndes, M., Gudmundsson, A. and Larsen, B.T., 2003. Abstract and poster EAE03-A-09684
How dykes affect groundwater transport in the northern part of the Oslo Graben, Norway.
EGS-AGU-EUG Joint Assembly, 6-11 April, Nice, France

130.Simmenes, T.H. and Gudmundsson, A., 2003. Abstract and talk. EAE03-A-12046
Damage-zone fractures, stresses, and fluid flow in a large fault zone in Vaksdal, West Norway.
EGS-AGU-EUG Joint Assembly, 6-11 April, Nice, France

131.Fjeldskaar, I., Loetveit, I. and Gudmundsson, A., 2003. Abstract and poster. EAE03-A-09837.
Aperture variation and fault-dyke interaction during dyke propagation in a layered rift zone.
EGS-AGU-EUG Joint Assembly, 6-11 April, Nice, France

132.Gudmundsson, A. and Brenner, S.L., 2003. Abstract and poster. EAE03-A-04540
Stress interaction between volcanic and seismic zones.
EGS-AGU-EUG Joint Assembly, 6-11 April, Nice, France

133.Gudmundsson, A. and Brenner, S.L., 2003. Abstract and talk. EAE03-A-04540
Stress interaction between volcanic and seismic zones.
EGS-AGU-EUG Joint Assembly, 6-11 April, Nice, France

134.Brenner, S.L. and Gudmundsson, A., 2003. Abstract and poster. EAE03-A-06553
Effects of crustal layering and shape and depth of magma chamber on stresses and dyke propagation.
EGS-AGU-EUG Joint Assembly, 6-11 April, Nice, France.

135.Brenner, S.L. and Gudmundsson, A., 2003. Abstract and talk. EAE03-A-05144
Propagation and fluid transport of fault-related mineral veins in layered rocks.
EGS-AGU-EUG Joint Assembly, 6-11 April, Nice, France

136.Brenner, S.L. and Gudmundsson, A., 2003. Invited talk.
Permeability changes during initiation, propagation and arrest of fractures in heterogeneous reservoirs.
2 May, University of Jena, Germany.

137.Gudmundsson, A., Brenner, S.L. and Simmenes, T.H., 2003. Invited talk.
Fluid overpressure, propagation and arrest of hydrofractures in layered rocks.
13 June, Geoforschungszentrum Potsdam, Germany.

138.Brenner, S.L. and Gudmundsson, A., 2003. Abstract.
Permeability in layered reservoirs: field examples and models on the effect of hydrofracture propagation.
GeoProc, International Conference on Coupled T-H-M-C Processes in Geosystems, 13-15 October, Stockholm, Sweden.

139.Gudmundsson, A., 2003. Abstract and talk.
Understanding earthquakes and volcanoes.
29 October, Inaugural Lecture, University of Goettingen, Germany.

140.Gudmundsson, A. and Brenner, S.L., 2003. Invited talk.
Effects of Young’s modulus on faults, hydrofractures and permeability in layered rocks.
10 November, Statoil, Trondheim, Norway.

141.Gudmundsson, A., 2003. Talk.
Effects of local stress fields in mechanically layered stratovolcanoes and rift zones on the emplacement of magma-filled fractures and caldera-fault formation.
24.11. – 26.11., Rundgespraech zum geplanten SPP: Forcing of Volcanic Systems: External vs. Internal, DFG-Geschäftsstelle Bonn, Germany.

142.Gudmundsson, A. and Fjeldskaar, I., 2003. Abstract and invited talk.
Effects and mechanical layering on dike emplacement, faulting, and surface deformation in volcanic rift zones.
AGU 2003 Fall Meeting, San Francisco, USA.

143.Gudmundsson, A. and Brenner, S.L., 2003. Abstract and poster.
How stress transfer between volcanic and seismic zones can suppress or trigger earthquakes.
AGU 2003 Fall Meeting, San Francisco, USA.

144.Venvik, G. and Gudmundsson, A., 2004. Abstract.
Implications of fractures and stress fields for leakage into the Ringveg Vest tunnel in Bergen, West Norway.
January 2004, Nordic Winter Meeting, Uppsala, Sweden.

145.Brenner, S.L., Gudmundsson, A. and Loetveit, I. F., 2004. Abstract and talk.
Effects on mechanical layering on the emplacement of hydrofractures.
”Symposium Tektonik-Strukturgeologie-Kristallingeologie 10”, 31.3. – 2.4., Aachen, Germany.

146.Gudmundsson, A., 2004. Invited talk.
Faults, dykes, earthquakes and eruptions in composite volcanoes.
19 January, University of Freiburg, Germany.

147.Gudmundsson, A., 2004. Invited talk.
Volcanotectonics of Iceland: the interaction between volcanic activity and seismogenic faulting.
29 January, University of Hamburg, Germany.

148.Gudmundsson, A., 2004. Talk.
Stress transfer and mechanical interaction between volcanic and seismic zones in Iceland.
6 February, 3rd Workshop “Geoscientific Research in Iceland”, TU Braunschweig, Germany.

149.Loetveit, I.F. and Gudmundsson, A., 2004. Abstract and poster. EGU04-A-07569.
Mechanical interaction between dykes and normal faults in volcanic rift zones.
25 – 30 April, EGU I, Nice, France.

150.Brenner, S.L. and Gudmundsson, A., 2004. Abstract and talk. EGU04-A-01432.
Faults, veins and fluid transport in mudstones at Watchet, Somerset, SW-England.
25 – 30 April, EGU I, Nice, France.

151.Brenner, S.L. and Gudmundsson, A., 2004. Abstract and talk. EGU04-A-04776.
Stress field around magma chambers in layered rift zones.
25 – 30 April, EGU I, Nice, France.

152.Gudmundsson, A., 2004. Abstract and talk. EGU04-A-03767.
Stress conditions for collapse-caldera formation in composite volcanoes.
25 – 30 April, EGU I, Nice, France.

153.Gudmundsson, A. and Loetveit, I.F., 2004. Abstract and talk. EGU04-A-03880.
Dyke emplacement, graben formation, and eruptions in composite volcanoes.
25 – 30 April, EGU I, Nice, France.

154.Gudmundsson, A., 2004. Invited talk and abstract. EGU04-A-05478.
Variations in local stresses in layered crustal rocks and fault zones.
25 – 30 April, EGU I, Nice, France.

155.Brenner, S.L., Gudmundsson, A. and Loetveit, I.F., 2004. Abstract and talk.
Effects of faults and hydrofractures on permeability in sedimentary basins.
29 September – 1 October, GeoLeipzig 2004, Leipzig, Germany.

156.Gudmundsson, A., 2004. Abstract and talk.
Comparison of the geothermal potentials in Iceland and Germany.
29 September – 1 October, GeoLeipzig 2004, Leipzig, Germany.

157.Gudmundsson, A., 2004. Abstract and talk.
How local stresses determine whether propagating dykes reach the surface to feed volcanic eruptions.
29 September – 1 October, GeoLeipzig 2004, Leipzig, Germany.

158.Geyer, A. and Gudmundsson, A., 2005. Abstract and poster. EGU05-A-05060.
Numerical modelling pf the effects of Young’s modulus on fault displacement.
24 – 29 April, EGU General Assembly, Vienna, Austria.

159.Gudmundsson, A., 2005. Abstract and poster. EGU05-A-05633.
Howe local stresses control volcanotectonic processes in composite volcanoes.
24 – 29 April, EGU General Assembly, Vienna, Austria.

160.Weiss, T., Jung, R., Brenner, S.L., Orzol, J., Gudmundsson, A., 2005. Abstract and poster. EGU05-A-06784.
Hydraulic fracturing in sedimentary rocks: In-situ observations, field data and numerical simulations.
24 – 29 April, EGU General Assembly, Vienna, Austria.

161.Gudmundsson, A., Geyer, A. and Brenner, S.L., 2005. Abstract and talk. EGU05-A-05622.
Infrastructures, local stresses, slip and fluid-transport properties of active faults.
24 – 29 April, EGU General Assembly, Vienna, Austria.

162.Brenner, S.L. and Gudmundsson, A., 2005. Abstract and poster. EGZ05-A-05637.
Fluid transport in faults and associated hydrofracture injection into host rocks.
24 – 29 April, EGU General Assembly, Vienna, Austria.

163.Brenner, S.L., Burchardt, S. and Gudmundsson, A., 2005. Abstract and talk EGU05-A-05614.
Effects of mechanical layering on local stress fields and the emplacement of dykes.
24 – 29 April, EGU General Assembly, Vienna, Austria.

164.Brenner, S.L., Weiss, T. and Gudmundsson, A., 2005. Abstract and talk. EGU05-A-05647.
Field observations and numerical models of fracture propagation and fluid transport in palaeogeothermal fields and man-made reservoirs.
24 – 29 April, EGU General Assembly, Vienna, Austria.

165.Brenner, S.L. and Gudmundsson, A., 2005. Abstract and talk.
Fluid flow in fault zones: evidence from hydrogeological and geological studies.
23 – 27 May, AGU Joint Assembly, New Orleans, USA.

166.Gudmundsson, A. and Geyer, A., 2005. Abstract and poster.
Changes in rock-mechanical properties, local stresses, and displacements during the evolution of strike-slip faults.
23 – 27 May, AGU Joint Assembly, New Orleans, USA.

167.Gudmundsson, A., 2005. Abstract and talk.
Understanding and modelling volcanotectonic processes that generate surface deformation on active stratovolcanoes.
23 – 27 May, AGU Joint Assembly, New Orleans, USA.

168.Gudmundsson, A. and Nilsen, K., 2005. Abstract and invited talk.
Structure and formation of ring faults in composite volcanoes.
23 – 27 May, AGU Joint Assembly, New Orleans, USA.

169.Gudmundsson, A., 2005. Abstract and talk.
How extensional structures at divergent plate boundaries become oblique to the geodetic spreading vector.
23 – 27 May, AGU Joint Assembly, New Orleans, USA.

170.Gudmundsson, A. and Philipp, S.L., 2005. Invited talk.
Natürliche geothermische Reservoire helfen Fluidtransport in künstlichen Reservoiren vorherzusagen.
7 October, Workshop „Hot Dry Rock mit superkritischem CO2“, Freiberg, Germany.

171.Gudmundsson, A., 2005. Abstract and talk.
Effects of stress fields, structures, and material properties of volcanoes on the formation and slip of ring faults.
16 – 21 October, Workshop Caldera volcanism: analysis, modelling and response, Parador de las Cañadas, Tenerife, Spain.

172.Gudmundsson, A., Brenner, S.L. and Simmenes, T.H., 2005. Extended abstract and talk.
Local stresses, fracture formation, fault displacement, and fluid transport in heterogeneous reservoirs.
14 – 16 November, Norsk Gologisk Forening, Production Geosciences 2005 – Understanding and modelling geological heterogeneity, Stavanger, Norway.

173.Brenner, S.L. and Gudmundsson, A., 2005. Extended abstract.
Formation of gypsum veins as hydrofractures in layered and faulted mudstones: implications for reservoir permeability.
14 – 16 November, Norsk Gologisk Forening, Production Geosciences 2005 – Understanding and modelling geological heterogeneity, Stavanger, Norway.

174.Gudmundsson, A., Burchardt, S., Friese, N and Krumbholz, M., 2005. Abstract and poster.
Natürliche geothermische Reservoire in Island: Bedeutung für künstliche geothermische Reservoire in Deutschland.
16 – 17 November, Geothermische Jahrestagung 2005: Geothermie: Synergie und Effizienz, Unterschleißheim, Germany.

175.Brenner, S.L., Hoffmann, S., Mueller, C. and Gudmundsson, A., 2005. Talk.
Verringerung des Fündigkeitsrisikos für tiefengeothermische Projekte durch strukturgeologische Geländestudien und numerische Modelle.
16 – 17 November, Geothermische Jahrestagung 2005: Geothermie: Synergie und Effizienz, Unterschleißheim, Germany.

176.Leiss, B., Gudmundsson, A. and Philipp, S.L., 2005. Abstract and poster. V21D-0657
Volcanoes behave as composite material: implications for modelling magma chambers, dikes, and surface deformation.
5 – 9 December, AGU Fall Meeting, San Francisco, USA.

177.Burchardt, S., Krumbholz, M., Friese, N. and Gudmundsson, A., 2005. Abstract and poster. V21D-0640
Infrastructure of the Geitafell Volcano, Southeast Iceland.
5 – 9 December, AGU Fall Meeting, San Francisco, USA.

178.Nilsen, K., Ertl, G., Bivour, I. and Gudmundsson, A., 2005. Abstract and poster. V21D-0639
Conceptual and numerical models of ring-fault formation in composite volcanoes.
5 – 9 December, AGU Fall Meeting, San Francisco, USA.

179.Friese, N., Krumbholz, M., Burchardt, S. and Gudmundsson, A., 2005. Abstract and poster. V21D-0638
Tectonics of the Hengill Volcano, Southwest Iceland.
5 – 9 December, AGU Fall Meeting, San Francisco, USA.

180.Gudmundsson, A., 2005. Abstract and talk. V14B-04
How local stresses can prevent volcanic eruptions and slips on ring-faults: the need for stress monitoring of volcanoes.
5 – 9 December, AGU Fall Meeting, San Francisco, USA.

181.Philipp, S.L. and Gudmundsson, A., 2005. Abstract and talk. T22A-05
Fracture propagation and fluid flow in geothermal reservoirs.
5 – 9 December, AGU Fall Meeting, San Francisco, USA.

182.Gudmundsson, A., 2006. Invited talk.
Geothermie – nicht nur in Island.
12 January, Klimaschutzregion Hannover: Vortragsreihe Energie und Klimaschutz, Hannover, Germany.

183.Gudmundsson, A., 2006. Abstract and invited talk.
The Volcanotectonics of Iceland: earthquakes, geothermal fields and eruptions.
24 January, Geowissenschaftliches Kolloquium, University Heidelberg, Germany.

184.Philipp, S.L., Oelrich, A., Müller, C., Hoffmann, S., Bartelsen, T., Thäter, D. and Gudmundsson, A., 2006. Abstract and poster.
Strukturgeologische Studien als Beitrag zum Erfolg tiefengeothermischer Projekte.
In: Philipp, S.L., Leiss, B., Vollbrecht, A., Tanner, D. and Gudmundsson, A. (Eds.): 11. Symposium „Tektonik-Struktur – und Kristallingeologie“, Zusammenfassungen der Tagungsbeiträge, pp. 167 – 170, 22 – 24 March, Göttingen, Germany.

185.Philipp, S.L. and Gudmundsson, A., 2006. Abstract and poster.
Gypsum veins as hydrofractures in layered and faulted mudstone: implications for reservoir permeability.
In: Philipp, S.L., Leiss, B., Vollbrecht, A., Tanner, D. and Gudmundsson, A. (Eds.): 11. Symposium „Tektonik-Struktur – und Kristallingeologie“, Zusammenfassungen der Tagungsbeiträge, pp. 164-167, 22 – 24 March, Göttingen, Germany.

186.Letourneur, L. and Gudmundson, A., 2006. Abstract and poster.
Asymmetrical deformation of the Piton de la Fournaise (Réunion Island) summit core.
In: Philipp, S.L., Leiss, B., Vollbrecht, A., Tanner, D. and Gudmundsson, A. (Eds.): 11. Symposium „Tektonik-Struktur – und Kristallingeologie“, Zusammenfassungen der Tagungsbeiträge, pp. 130-132, 22 – 24 March, Göttingen, Germany.

187.Krumbholz, M., Friese, N., Burchardt, S. and Gudmundsson, A., 2006. Abstract and poster.
Fluidtransport entlang von Störungen und Klüften im Gebiet des Hengill-Vulkans, SW-Island.
In: Philipp, S.L., Leiss, B., Vollbrecht, A., Tanner, D. and Gudmundsson, A. (Eds.): 11. Symposium „Tektonik-Struktur – und Kristallingeologie“, Zusammenfassungen der Tagungsbeiträge, pp. 119-120, 22 – 24 March, Göttingen, Germany.

188.Hoffmann, S., Müller, C., Philipp, S.L. and Gudmundsson, A., 2006. Abstract and poster.
Strukturgeologische Geländestudien im Mittleren Buntsandstein zur Nutzung als geothermisches Reservoir.
In: Philipp, S.L., Leiss, B., Vollbrecht, A., Tanner, D. and Gudmundsson, A. (Eds.): 11. Symposium „Tektonik-Struktur – und Kristallingeologie“, Zusammenfassungen der Tagungsbeiträge, pp. 93-96, 22 – 24 March, Göttingen, Germany.

189.Gudmundsson, A and Philipp, S.L., 2006. Abstract and poster.
How stress transfer between volcanic and seismic zones affects volcanic and earthquake activity.
In: Philipp, S.L., Leiss, B., Vollbrecht, A., Tanner, D. and Gudmundsson, A. (Eds.): 11. Symposium „Tektonik-Struktur – und Kristallingeologie“, Zusammenfassungen der Tagungsbeiträge, pp. 81-84, 22 – 24 March, Göttingen, Germany.

190.Gudmundsson, A. and Geyer, A., 2006. Abstract and poster.
Effects of damage-zone thickness on fault displacement.
In: Philipp, S.L., Leiss, B., Vollbrecht, A., Tanner, D. and Gudmundsson, A. (Eds.): 11. Symposium „Tektonik-Struktur – und Kristallingeologie“, Zusammenfassungen der Tagungsbeiträge, pp. 79-81, 22 – 24 March, Göttingen, Germany.

191.Friese, N., Krumbholz, M., Burchardt, S. and Gudmundsson, A., 2006. Abstract and poster.
Strukturgeologische Analysen des Thingvellir Spaltenschwarms, Südwest Island.
In: Philipp, S.L., Leiss, B., Vollbrecht, A., Tanner, D. and Gudmundsson, A. (Eds.): 11. Symposium „Tektonik-Struktur – und Kristallingeologie“, Zusammenfassungen der Tagungsbeiträge, pp. 61-63, 22 – 24 March, Göttingen, Germany.

192.Burchardt, S., Gudmundsson, A. and Krumbholz, M., 2006. Abstract and poster.
Tektonische Entwicklung des Geitafell-Vulkans, Südost Island.
In: Philipp, S.L., Leiss, B., Vollbrecht, A., Tanner, D. and Gudmundsson, A. (Eds.): 11. Symposium „Tektonik-Struktur – und Kristallingeologie“, Zusammenfassungen der Tagungsbeiträge, pp. 22-24, 22 – 24 March, Göttingen, Germany.

193.Burchardt, S., Gudmundsson, A. and Philipp, S.L., 2006. Abstract and poster.
Dyke emplacement in Tenerife (Canary Islands): Field studies and numerical models.
In: Philipp, S.L., Leiss, B., Vollbrecht, A., Tanner, D. and Gudmundsson, A. (Eds.): 11. Symposium „Tektonik-Struktur – und Kristallingeologie“, Zusammenfassungen der Tagungsbeiträge, pp. 21-22, 22 – 24 March, Göttingen, Germany.

194.Andrew, R. and Gudmundsson, A., 2006. Abstract and poster.
Holocene shield volcanoes in Iceland.
In: Philipp, S.L., Leiss, B., Vollbrecht, A., Tanner, D. and Gudmundsson, A. (Eds.): 11. Symposium „Tektonik-Struktur – und Kristallingeologie“, Zusammenfassungen der Tagungsbeiträge, pp. 6-8, 22 – 24 March, Göttingen, Germany.

195.Philipp, S.L., Hoffmann, S., Bartelsen, T., Oelrich, A. and Gudmundsson, A., 2006. Abstract and poster. EGU06-A-06374
Field and numerical models of hydrofracture propagation in mechanically layered rocks.
2 – 7 April, EGU General Assembly, Vienna, Austria.

196.Philipp, S.L., Thaeter, D. and Gudmundsson, A., 2006. Abstract and poster. EGU06-A-07686.
Fault zones in layered rocks: fault displacement, damage zone thickness, and hydrofracture injection.
2 – 7 April, EGU General Assembly, Vienna, Austria.

197.Gudmundsson, A., 2006. Abstract and talk. EGU06-A-02758
Volcanic hazards, magma chambers, local stresses, and eruptions.
2 – 7 April, EGU General Assembly, Vienna, Austria.

198.Nilsen, K. and Gudmundsson, A., 2006. Abstract and talk. EGU06-A-02754.
Numerical studies of the initiation of caldera faults.
2 – 7 April, EGU General Assembly, Vienna, Austria.

199.Mueller, C., Hoffmann, S., Philipp, S.L. and Gudmundsson, A., 2006. Abstract and poster. EGU06-A-07066.
Geothermal potential of the German Buntsandstein: The effect of layering on fracture permeability.
2 – 7 April, EGU General Assembly, Vienna, Austria.

200.Krumbholz, M., Friese, N., Burchardt, S. and Gudmundsson, A., 2006. Abstract and poster. EGU06-A-03725.
Fluid transport by faults and fractures in the Hengill Volcano, Southwest Iceland.
2 – 7 April, EGU General Assembly, Vienna, Austria.

201.Friese, N., Krumbholz, M., Burchardt, S. and Gudmundsson, A., 2006. Abstract and poster. EGU06-A-02975.
Structural analysis of the Thingvellir Fissure Swarm, Southwest Iceland.
2 – 7 April, EGU General Assembly, Vienna, Austria.

202.Burchardt, S., Gudmundsson, A., Krumbholz, M. and Friese, N., 2006. Abstract and poster. EGU06-A-02966.
Tectonic evolution of the Geitafell Volcano, Southeast Iceland.
2 – 7 April, EGU General Assembly, Vienna, Austria.

203.Andrew, R. and Gudmundsson, A., 2006. Abstract and poster. EGU06-A-02692.
Tectonic conditions favouring the formation of shield volcanoes in Iceland.
2 – 7 April, EGU General Assembly, Vienna, Austria.

204.Letourneur, L. and Gudmundsson, A., 2006. Abstract and poster. EGU06-A-02703
Asymmetrical deformation of the Piton de la Fournaise (Réunion Island) summit core.
2 – 7 April, EGU General Assembly, Vienna, Austria.

205.Galindo, I., Soriano, C., Gudmundsson, A. and Tentler, T., 2006. Abstract and poster (solicited). EGU06-A-06023
Feeder-dyke segmentation induced by rift spreading in eruptive fissures of Tenerife (Canary Islands).
2 – 7 April, EGU General Assembly, Vienna, Austria.

206.Gudmundsson, A. and Philipp, S.L., 2006. Abstract and poster. EGU06-A-02736
Magma chambers, dyke injections and surface deformation in composite volcanoes.
2 – 7 April, EGU General Assembly, Vienna, Austria.

207.Gudmundsson, A., Bivour, I., Ertl, G. and Nilsen, K., 2006. Abstract and poster. EGU06-A-02747
Caldera collapses in composite volcanoes and basaltic edifices.
2 – 7 April, EGU General Assembly, Vienna, Austria.

208.Galindo, I., Soriano, C and Gudmundsson, A., 2006. Abstract and poster.
Detailed study of a basaltic feeder-dyke and its related deposits at the NE rift zone of Tenerife, Canary Islands.
12-17 June, A Tribute Symposium to George P.L. Walker, Reykholt, Borgafjordur, Iceland.

209.Letourneur, L. and Gudmundsson, A., 2006. Abstract and poster.
A double magma chamber explains the high eruption frequency at Piton de la Fournaise Volcano (Réunion Island).
12-17 June, A Tribute Symposium to George P.L. Walker, Reykholt, Borgafjordur, Iceland.

210.Friese, N. and Gudmundsson, A., 2006. Abstract and poster.
Propagation and linkage of normal faults in the Thingvellir Fissure Swarm: field studies and numerical models.
12-17 June, A Tribute Symposium to George P.L. Walker, Reykholt, Borgafjordur, Iceland.

211.Andrew, R and Gudmundsson, A., 2006. Abstract and poster.
Structure and Formation of Shield Volcanoes in Iceland.
12-17 June, A Tribute Symposium to George P.L. Walker, Reykholt, Borgafjordur, Iceland.

212.Burchardt, S., Gudmundsson, A., Krumbholz, M. and Friese, N, 2006. Abstract and poster.
Structural Geology of the Geitafell Volcano, Southeast Iceland.
12-17 June, A Tribute Symposium to George P.L. Walker, Reykholt, Borgafjordur, Iceland.

213.Gudmundsson, A., 2006. Abstract and talk.
Geometry and emplacement of dykes in composite volcanoes and rift zones.
12-17 June, A Tribute Symposium to George P.L. Walker, Reykholt, Borgafjordur, Iceland.

214.Krumbholz, M., Friese, N., Burchardt, S. and Gudmundsson, A., 2006. Abstract and poster.
Tectonics on the Hengill area, Southwest Iceland.
12-17 June, A Tribute Symposium to George P.L. Walker, Reykholt, Borgafjordur, Iceland.

215.Gudmundsson, A., Burchardt, S., Friese, N., Krumbholz, M., 2006. Talk. Implications of permeability development in geothermal reservoirs in Iceland for manmade geothermal reservoirs in Germany. GeoBerlin 2006, 2- 4 October 2006, Berlin, Germany.

216.Gudmundsson, A., Galindo, I., Friese, N., Andrew, R. 2007, Abstract and talk. EGU2007-A-07405
Reverse slip on a graben fault induced by a feeder dyke.
15-20 April, EGU General Assembly, Vienna, Austria.

217.Burchardt, S., Gudmundsson, A., 2007. Abstract and poster. EGU2007-A-00090   The mechanics of sill emplacement in central volcanoes.                                                      15-20 April, EGU General Assembly, Vienna, Austria.

218.Friese, N., Gudmundsson, A., 2007. Abstract and poster. EGU 2007-A-00786 Mechanical interaction between volcanic systems on the Reykjanes Peninsula, Southwest Iceland.                                                                                                                                    15-20 April, EGU General Assembly, Vienna, Austria.

219.Krumbholz, M., Gudmundsson, A., 2007. Abstract and poster. EGU2007-A-08211 Structure of active and extinct geothermal systems in Iceland.                                             15-20 April, EGU General Assembly, Vienna, Austria.

220.Andrew, R., Gudmundsson, A., 2007. Abstract and poster. EGU2007-A-00838 Mechanical interaction between central volcanoes in Iceland.                                            15-20 April, EGU General Assembly, Vienna, Austria.

221.Larsen, B., Grunnaleite, I., Gudmundsson, A., 2007. EGU2007-A-1204                   How fracture systems control fluid transport in shallow-water carbonate rocks: an example from the Gargano Peninsula, Italy.                                                                                     15-20 April, EGU General Assembly, Vienna, Austria.

222.Philipp, S.L., Bartelsen, T., Hoffmann, S., Oelrich, A., Gudmundsson, A., 2007. EGU2007-A-10376                                                                                                    Numerical models of hydrofracture propagation and field studies of mineral veins and joints in mechanically layered sedimentary rocks.                                                                 15-20 April, EGU General Assembly, Vienna, Austria.

223.Philipp, S.L., Thaeter, D., Oelrich, A., Gudmundsson, A., 2007. EGU2007-A-10307 Fault displacements, damage zones, and associated fracturing in geothermal reservoirs. 15-20 April, EGU General Assembly, Vienna, Austria.

224.Gudmundsson, A., Larsen, B., and the Carbonate Group, 2007. Abstract and talk. Effects of fracture propagation and arrest on permeability development in fractured carbonate reservoirs.                                                                                                            Energy IQ Meeting on Fractured Reservoirs, 20-21 September.

225.Gudmundsson, A., 2007. Invited talk.                                                                         Rock fractures, rock properties, and fluid transport.                                                     Department of Civil Engineering, Geosciences, and Environmental Sciences. University of Karlsruhe (TH), 15 October.

226.Gudmundsson, A., 2007. Invited talk.                                                                        Effects of mechanical layering on fracture development in reservoirs, fault zones, and volcanoes.                                                                                                                    Department of Earth Science and Engineering Imperial College London, 16 October.

227.Gudmundsson, A., 2007. Invited talk.                                                                          Effects of mechanical layering on local stresses and fracture development in fault zones and volcanoes.                                                                                                                    Grant Institute, University of Edinburgh, 26 October.

228.Andrew, R.E.B., Gudmundsson, A., 2007. Abstract and poster.                           Mechanical Interaction between volcanoes in the East Volcanic Zone of Iceland.               AGU Fall Meeting, December.

229.Gudmundsson, A., Andrew, R.E.B., Letourneur, L., 2007. Abstract and talk.           Tectonics of the 1783 Laki Crater Row and Associated Grabens, South Iceland.               AGU Fall Meeting, December.

230.Simmenes, T.H., Gudmundsson, A., Kusumoto, S., Philipp, S.L., 2008. Abstract and poster.                                                                                                                                 Field studies and modelling of rock-fracture apertures.                                                           33IGC Meeting, Oslo, August.

231.Gudmundsson, A., 2008. Abstract and talk.                                                               Effects of mechanical  layering on dyke-propagation paths.                                               33IGC Meeting, Oslo, August.

232.Philipp, S.L., Larsen, B., Gudmundsson, A., Meier, S., Reyer, D., 2008. Abstract and talk.                                                                                                                                       Numerical models of hydrofracture propagation in mechanically layered rocks and comparison with field observations.                                                                               33IGC Meeting, Oslo, August.

233.Gudmundsson, A., Kusumoto, S., Berg, S.S., Simmenes, T.H., Larsen, B., Philipp, S.L., 2008. Abstract and talk.                                                                                                  Local stresses, fracture apertures, and fluid transport in fault zones.                              Geological Society of London meeting on Fault Zones: Structures, Geomechanics, and Fluid Flow, September.

234.Gudmundsson, A., 2008. Abstract and talk.                                                             Toughness and failure of major volcanic edifices. IAVCEI Meeting, Reykjavik, August.

235.Gudmundsson, A. and Andrew, R.E.B., 2008. Abstract and talk.                               How mechanically soft volcanoes and calderas can arrest the propagation of volcanic fissures and volcanic zones.                                                                                              IAVCEI Meeting, Reykjavik, August.

236.Gudmundsson, A., 2008. Abstract and talk.                                                            Numerical and analytical modelling of fracture systems in rifts.                                             STAR (Petroleum Consortium) Meeting, Royal Holloway, September.

237.Kusumoto, S. , Gudmundsson, A., 2008. Abstract and poster.                         Extension-fracture displacement and stress fields generated by fluid overpressure variations given by Fourier cosine series.                                                                          EGU General Assembly, Vienna, Austria.

238.Gudmundsson, A., Kusumoto, S., Philipp, S.L., Simmenes, T.H., 2008. Abstract and talk.                                                                                                                             Opening-displacement variations in rock fractures.                                                         EGU General Assembly, Vienna, Austria.

239.Gudmundsson, A., Kusumoto, S., 2008. Abstract and poster.                                        Flow channelling and the emplacement of intrusions and lava flows.                                  EGU General Assembly, Vienna, Austria.

240.Andrew, R.E.B., Gudmundsson, A., Letourneur, L., 2008. Abstract and talk. Mechanical interaction between the fissure and graben of the 1783 Skaftareldar Eruption and the hyaloclastite Laki Mountain.                                                                                    EGU General Assembly, Vienna, Austria.

241.Larsen, B., Grunnaleite, I., Gudmundsson, A., 2009. Abstract and talk.                   Influence of key sedimentary surfaces on fracture patterns, linkage, and cluster formation in peritidal carbonate rocks.                                                                                      Norwegian Geological Wintermeeting, Oslo.

242.Gudmundsson, A., Kusumoto, S., Simmenes, T.H., Philipp, S.L., Larsen, B., 2009. Abstract and poster.                                                                                                            Effects of rock stiffness and loading conditions on aperture variations in rock fractures and associated fluid flow.                                                                                                         EGU 9 General Assembly, Vienna, Austria.

243.Gudmundsson, A., 2009. Abstract and talk.                                                                     Initiation of rift-zone crustal magma chambers through the deflection of dykes into sills at layer contacts.                                                                                                                    EGU 9 General Assembly, Vienna, Austria.

244.Philipp, S.L., Gudmundsson, A., 2009. Abstract and poster.                                      Fluid transport in faults and associated hydrofracture injection in fluid reservoirs.          EGU 9 General Assembly, Vienna, Austria.

245.Philipp, S.L., Gudmundsson, A., Meier, S., Reyer, S., 2009. Abstract and poster. Field studies and numerical models of hydrofracture propagation in layered fractured reservoirs.                                                                                                                              EGU 9 General Assembly, Vienna, Austria.

246.Galindo, I., Gudmundsson, A., 2009. Abstract and talk.                                              Geometry and emplacement of basaltic feeder dykes.                                                      EGU 9 General Assembly, Vienna, Austria.

247.Norini, G., Acocella, V., Gudmundssom, A., Lagmay, M., Paguican, E., 2009. Abstract and talk.                                                                                                                           Oblique spreading, extensional fractures, and fault growth in the rift zone of SW Iceland. EGU 9 General Assembly, Vienna, Austria.

248.Gudmundsson, A., 2009. Abstract and invited talk.                                                   Fire, ice, fractures, and fluids: geological processes in Iceland and the effects of climatic change.                                                                                                                               Global warming: an inconvenient truth – threats and opportunities.                                          Roland Berger Strategy Consultants, Iceland, 8-12 July 2009.

249.Gudmundsson, A., 2009. Talk.                                                                                     Numerical modelling of fracture systems in rifts.                                                        Presentations from members of the petroleum company Petrobras at RHUL, October 2009.

250.Gudmundsson, A., 2009. Invited talk.                                                                    Effects of internal structure on the frequency of collapses and dyke-fed eruptions in volcanic edifices.                                                                                                              Institute of Earth Sciences, Jaume Almera, Barcelona, 9 December 2009.

251.Lotveit, I.F., Gudmundsson, A., Sydnes, M., 2010. Talk.                                             CO2 injection in the Snohvit Field; likelihood of fault reactivation and leakage.                    Presentation at a meeting with the Norwegian company Acona,  Stavanger 3 March  2010.

252.Gudmundsson, A., 2010. Talk.                                                                              Stresses, mechanical properties, and stress measurements at high temperatures.         The Campi Flegrei (Italy) International Drill Project Meeting, 10 March, 2010, ETH, Zurich, Swiss.

253.Lotveit, I.F., Gudmundsson, A., 2010. Invited talk.                                             Modelling rock stresses and fractures: propagation, arrest, and apertures in heterogeneous and anisotropic (layered) rocks and associated fluid transport.                Statoil meeting, Stavanger, 23 April 2010.

254.Gudmundsson, A., 2010. Abstract and invited talk.                                                  Active fault zones: local stresses, fault slip, and fluid transport.                                    Department of Earth Sciences, ETH, Zurich, 27 April 2010.

255.Geshi, N., Kusumoto, S., Gudmundsson, A., 2010. Abstract and talk.                     Dyke thickness controlled by layering of the host rock.                                                     EGU 10 General Assembly, 5 May 2010, Vienna, Austria.

256.Gudmundsson, A., 2010. Abstract and talk.                                                                     Large eruptions and the interaction between Katla and Eyjafjallajokull.                            EGU 10 General Assembly, 5 May 2010, Vienna, Austria.

257.Gudmundsson, A., Larsen, B., and the Carbonate Group, 2010. Invited talk.           Fracture propagation,  linkage, and related permeability development in carbonate rocks, particularly in chalk.                                                                                                           ConocoPhillips, 27 May 2010, Stavanger, Norway.

258.Gudmundsson, A., 2010. Invited talk.                                                                         The eruption of Eyjafjallajokull and mechanical interaction between volcanoes in Iceland. ConocoPhillips, 27 May 2010, Stavanger, Norway.

259.Gudmundsson, A., Lotveit, I.F., Fjeldskaar, W., 2010. Abstract and talk.  Emplacement of dykes and sills in sedimentary basins: implications for permeability.       Arctic Energy, Geological Society of Norway, Tromso, 4 June 2010.

260.Gudmundsson, A., Lotveit, I.F., Fjeldskaar, W., 2010. Abstract and talk.            Fracture patterns around sills in sedimentary basins: implications for reservoir formation   Arctic Energy, Geological Society of Norway, Tromso, 4 June 2010.

261.Gudmundsson, A., Lotveit, I.F., Fjeldskaar, W., 2010. Invited talk.                            Sills and dykes:  their emplacement, thermal and mechanical effects, and implications for permeability and reservoir location.                                                                              Chevron  Norway, Oslo, 8 June 2010.

262.Gudmundsson, A., 2010. Talk.                                                                                Fracture propagation, salt diapirs, and permeability development in rocks.                           Petrobras meeting at RHUL, 21 June 2010.

263.Gudmundsson, A., 2010. Abstract and talk.                                                                     The mechanics of emplacement of dykes and sills in layered rocks.                                 The E M Anderson Meeting, Geological Society of London, Glasgow 6-8 September, 2010.