Gillian R. Foulger

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Prof. Gillian R. Foulger

Publications

2013

Foulger, G.R., G.F. Panza, I.M. Artemieva, I.D. Bastow, F. Cammarano, J.R. Evans, W.B. Hamilton, B.R. Julian, M. Lustrino, H. Thybo and T.B. Yanovskaya, Caveats on tomographic images, Earth-Sci. Rev., doi: 10.1111/ter.12041, 2013.
Cladouhos, T., S. Petty, Y. Nordin, M. Moore, K. Grasso, M. Uddenberg, M. Swyer, B. Julian, and G. Foulger, Microseismic monitoring of Newberry Volcano EGS Demonstration, Thirty-Eighth Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, California, February 11-13, 2013.

2012

Foulger, G.R., Are 'hot spots' hot spots?, J. Geodynamics, 58, 1-28, 2012.
Julian, B.R., G.R. Foulger, Geothermal seismology: The state of the art, Thirty-Seventh Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, California, January 30 - February 1, 2012.

2011

Foulger, G.R. and B.R. Julian, Earthquakes and Errors: Methods for Industrial Applications, Geophysics, 76, WC5-WC15, doi:10.1190/geo2011-0096.1, 2011.
Kendall, M., S. Maxwell, G. Foulger, L. Eisner & Z. Lawrence, Microseismicity: Beyond dots in a box – Introduction, Geophysics, 76, 1-3, 2011.
Julian, B.R., G.R. Foulger, Mapping deep structure in geothermal areas using local and regional microearthquake data, Thirty-Sixth Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, California, January 31 - February 2, 2011.

2010

Book: Foulger, G.R., Plates vs Plumes: A Geological Controversy, Wiley-Blackwell, ISBN 978-1-4443-3679-5, pp xi+328, 2010.

Cladouhos, T., S. Petty, G.R. Foulger, B.R. Julian, M. Fehler, Injection induced seismicity and geothermal energy, Geothermal Research Council Bulletin, 34, 1213-1220, 2010.
Foulger, G.R., Little things can have big effects, Troitsky Variant, No. 8, 52, 27th April, 2010. (Online version, English language version.)
Julian, B.R. and G.R. Foulger, Time-dependent tomography, Geophys. J. Int., 182, 1327-1338, 2010.
Julian, B.R., G.R. Foulger, F.C. Monastero and S. Bjornstad, Imaging Hydraulic Fractures in a Geothermal Reservoir, Geophys. Res. Lett., 37, L07305, 10.1029/2009GL040933.
Julian, B.R., G.R. Foulger, Improved Methods for Mapping Permeability and Heat sources in Geothermal Areas using Microearthquake Data, Thirty-Fifth Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, California, February 1-3, 2010.

2009

Tkalcic H., D. S. Dreger, G. R. Foulger and B. R. Julian, The puzzle of the Bardarbunga, Iceland earthquake: No volumetric component in the source mechanism, Bull. Seismol. Soc. Am., 99, 3077-3085, 2009.
Julian, B.R. and G.R. Foulger, Monitoring Geothermal Processes with Microearthquake Mechanisms, Proceedings, Thirty-Fourth Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, California, February 9-11, SGP-TR-187, 2009.
Julian, B.R. and G.R. Foulger, Time-Dependent Seismic Tomography of Geothermal Systems, Proceedings, Thirty-Fourth Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, California, February 9-11, SGP-TR-187, 2009.
Julian, B.R., G.R. Foulger and F. Monastero, Seismic monitoring of EGS stimulation tests at the Coso geothermal field, California, using microearthquake locations and moment tensors, Proceedings, Thirty-Fourth Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, California, February 9-11, SGP-TR-187, 2009.
Foulger, G.R. and L. De Luca, Detailed image of fractures activated by a fluid injection in a producing Indonesian geothermal field, Proceedings, Thirty-Fourth Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, California, February 9-11, SGP-TR-187, 2009.

2008

Foulger, G.R. and D.M. Jurdy, Reply to: Plates, Plumes, and Planetary Processes (P⁴) by AC Kerr, Marine Geophysical Researches, 29, 219-220, 2008.
Julian, B.R., G.R. Foulger and F. Monastero, Time-dependent seismic tomography and its application to the Coso geothermal area, 1996-2006, Proceedings, Thirty-Third Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, California, January 28-30, SGP-TR-185, 387-390, 2008.
Foulger, G.R., B.R. Julian, B.R. and F. Monastero, Seismic monitoring of EGS tests at the Coso Geothermal area, California, using accurate MEQ locations and full moment tensors, Proceedings, Thirty-Third Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, California, January 28-30, SGP-TR-185, 261-268, 2008.

2007

Book: Foulger, G.R. and D.M. Jurdy (Eds.), Plates, Plumes, and Planetary Processes, Geol. Soc. Am. Special Paper 430, 998+x pp, 2007.

Stuart, W.D., G.R. Foulger, and M. Barall, Propagation of Hawaiian-Emperor volcano chain by Pacific plate cooling stress, in Plates, Plumes, and Planetary Processes, G.R. Foulger and D.M. Jurdy (Eds.), Geological Society of America Special Paper 430, 497-506, 2007.
Foulger, G.R., The “Plate” model for the genesis of melting anomalies, in Plates, Plumes, and Planetary Processes, G.R. Foulger and D.M. Jurdy (Eds.), Geological Society of America Special Paper 430, 1-28, 2007.
Julian, B.R., G.R. Foulger and F. Monastero, Microearthquake moment tensors from the Coso Geothermal area, Proceedings, Thirty-Second Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, California, January 22-24, SGP-TR-183, 2007.

2006

Foulger, G.R., Towards Supervolcano technology, Science, 313, 768-769, 2006. (For summary, click here.)
Foulger, G.R., Too hot to handle, Planet Earth, Summer edition, 8-9, 2006.
Foulger, G.R., J.G. Fitton, D.C. Presnall and W. J. Morgan, Chapman Conference: The Great Plume Debate The Origin and Impact of LIPs and Hot Spots, Scientific report, EOS Trans. AGU, 87, 76 & 80, 2006.
Foulger, G.R., Older crust underlies Iceland, Geophys. J. Int., 165, 672-676, 2006.
Du, Z., L.P. Vinnik and G.R. Foulger, Evidence from P-to-S mantle converted waves for a flat “660-km” discontinuity beneath Iceland, Earth Planet. Sci. Lett., 241, 271-280, 2006.
Julian, B.R., G.R. Foulger, K. Richards-Dinger & F.C. Monastero, Time-dependent seismic tomography of the Coso geothermal area, 1996-2004, Proceedings, Thirty-First Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, California, January 30 - February 1, 2006.

2005

Book: Foulger, G.R., J.H. Natland, D.C. Presnall and D.L. Anderson (Eds.), Plates, Plumes, and Paradigms, Geol. Soc. Am. Special Paper 388, pp. 881+xi, 2005.

Foulger, G.R., Mantle plumes: Why the current skepticism? Chinese Science Bulletin, 50, 1555-1600, 2005.
Foulger, G.R., J.H. Natland and D.L. Anderson, Genesis of the Iceland melt anomaly by plate tectonic processes, in: Plates, Plumes, and Paradigms, G.R. Foulger, J.H. Natland, D.C. Presnall and D.L. Anderson (Eds.), Geol. Soc. Am. Special Paper 388, 595-625, 2005
Vinnik, L.P., G.R. Foulger and Z. Du, Seismic boundaries in the mantle beneath Iceland: A new constraint on temperature, Geophys. J. Int., 160, 533-538, 2005.
Foulger, G.R., J.H. Natland and D.L. Anderson, A source for Icelandic magmas in remelted Iapetus crust, J. Volc. Geotherm. Res., 141, 23-44, 2005.
Foulger, G.R. and D.L. Anderson, A cool model for the Iceland hotspot, J. Volc. Geotherm. Res., 141, 1-22, 2005.

2004

Foulger, G.R., B.R. Julian, D.P. Hill, A.M. Pitt, P. Malin and E. Shalev, Non-double-couple microearthquakes at Long Valley Caldera provide evidence for hydraulic fracturing, J. Volc. Geotherm. Res., 132, 45-71, 2004.
Julian, B.R., G.R. Foulger and K. Richards-Dinger, The Coso Geothermal Area: A laboratory for advanced MEQ studies for geothermal monitoring, Proceedings of the Geothermal Resources Council Annual Meeting, Palm Springs, California, August 2004.
Julian, B.R. and G.R. Foulger, Microearthquake focal mechanisms – A tool for monitoring geothermal systems, Geotherm. Res. Council Bull., 33, 166-171, 2004.
Foulger, G.R. and B.R. Julian, A powerful tool – Use of time-dependent MEQ tomography for monitoring producing geothermal reservoirs, Geotherm. Res. Council Bull., 33, 120-126, 2004.
Du, Z. and G.R. Foulger, Surface-wave waveform inversion for variation in upper mantle structure beneath Iceland, Geophys. J. Int., 157, 305-314, 2004.
Foulger, G.R., J.H. Natland & D.L. Anderson, Penrose Conference Report. Plume IV: Beyond the Plume Hypothesis – Tests of the plume paradigm and alternatives, GSA Today, 14, 26-28, 2004.

2003

Foulger, G.R., Z.J. Du and B.R. Julian, Icelandic type crust, Geophys. J. Int., 155, 567-590, 2003.
Foulger, G.R. Plumes, Plate Tectonics and Popper, Geoscientist, 13, 16-17, 2003.
Foulger, G.R. and J.H. Natland, Is “hotspot” volcanism a consequence of plate tectonics?, Science, 300, 921-922, 2003.
Foulger, G.R., B.R. Julian, A.M. Pitt, D.P. Hill, P. Malin and E. Shalev, Three-dimensional crustal structure of Long Valley caldera, California, and evidence for the migration of CO₂ under Mammoth Mountain, J. Geophys. Res., 108, B3, 10.1029/2000JB000041, 2003.
Gunasekera, R.C, G.R. Foulger and B.R. Julian, Reservoir depletion at The Geysers geothermal area, California, shown by four-dimensional seismic tomography, J. Geophys. Res., 108, B3, 10.1029/2001JB000638, 2003.
Foulger, G.R., In response, Astronomy & Geophysics, 44, 1.13, 2003.

2002

Foulger, G. R., Plumes, or plate tectonic processes? Astronomy & Geophysics, 43, 6.19-6.23, 2002
Allen, R.M., G. Nolet, W.J. Morgan, K. Vogfjord, B.H. Bergsson, P. Erlendsson, G.R. Foulger, S. Jakobsdottir, B.R. Julian, M.J. Pritchard, S. Ragnarsson and R. Stefansson, Imaging the mantle beneath Iceland using integrated seismological techniques, J. Geophys. Res., 107 (B12), 10.1029/2001JB000595, 2002
Allen, R.M., G. Nolet, W.J. Morgan, K. Vogfjord, M. Nettles, G. Ekstrom, B.H. Bergsson, P. Erlendsson, G.R. Foulger, S. Jakobsdottir, B.R. Julian, M.J. Pritchard, S. Ragnarsson and R. Stefansson, Plume driven plumbing and crustal formation in Iceland, J. Geophys. Res., 107 (B8), 10.1029/2001JB000584, 2002
Christiansen, R.L., G.R. Foulger and J.R. Evans, Upper-mantle origin of the Yellowstone hotspot, Bull. Geol. Soc. Am., 114, 1245-1256, 2002
Du, Z., G.R. Foulger, B.R. Julian, R.M. Allen, G. Nolet, W.J. Morgan, B. Bergsson, P. Erlendsson, S. Jakobsdottir, S. Ragnarsson, R. Stefansson and K. Vogfjord, Crustal structure beneath western and eastern Iceland from surface waves and receiver functions, Geophys. J. Int., 149, 349-363, 2002
Shen, Y., S.C. Solomon, I.T. Bjarnason, G. Nolet, W.J. Morgan, R. Allen, K. Vogfjord, S. Jakobsdottir, R. Stefansson, B.R. Julian and G.R. Foulger, Seismic evidence for a tilted mantle plume and large-scale, north-south flow beneath Iceland, Earth Planet. Sci. Lett., 197, 261-272, 2002

2001

Foulger, G.R., M.J. Pritchard, B.R. Julian, J.R. Evans, R.M. Allen, G. Nolet, W.J. Morgan, B. Bergsson, P. Erlendsson, S. Jakobsdottir, S. Ragnarsson, R. Stefansson and K. Vogfjord, Seismic tomography shows that upwelling beneath Iceland is confined to the upper mantle, Geophys. J. Int., 146, 504-530, 2001
Foulger, G.R. and D.G. Pearson, Is Iceland underlain by a plume in the lower mantle? Seismology and helium isotopes, Geophys. J. Int. (Fast Track), 145, F1-F5, 2001.
Du, Z. and G.R. Foulger, Variation in the crustal structure across central Iceland, Geophys. J. Int., 145, 246-264, 2001

2000

Julian, B.R., J.R. Evans, M.J. Pritchard and G.R. Foulger, A geometrical error in some versions of the ACH method of teleseismic tomography, Bull. Seismol. Soc. Am., 90, 1554-1558, 2000
Foulger, G.R., M.J. Pritchard, B.R. Julian, J.R. Evans, R.M. Allen, G. Nolet, W.J. Morgan, B.H. Bergsson, P. Erlendsson, S. Jakobsdottir, S. Ragnarsson, R. Stefansson and K. Vogfjord, The seismic anomaly beneath Iceland extends down to the mantle transition zone and no deeper, Geophys. J. Int. (Fast Track), 142, F1-F5, 2000
Pritchard, M.J., G.R. Foulger, B.R. Julian and J. Fyen, Seismic-array constraints on a possible plume in the mid-mantle beneath Iceland, Geophys. J. Int., 143, 119-128, 2000
Du, Z., G.R. Foulger and W. Mao, Noise reduction for broadband, three-component seismograms using data-adaptive polarization filters, Geophys. J. Int., 141, 820-828, 2000
Foulger, G.R. and P.R. Field, Comparison of local earthquake tomographic crustal models with gravity data for the Hengill and Krafla areas, Jökull, 48, 29-47, 2000

1999

Du, Z.J. and G.R. Foulger, The crustal structure beneath the Northwest Fjords, Iceland, from receiver functions and surface waves, Geophys. J. Int., 139, 419-432, 1999
Henderson, J.R., D.J. Barton and G.R. Foulger, Fractal clustering of induced seismicity in the Geysers geothermal area, California, Geophys. J. Int., 139, 317-324, 1999
Ross, A., G.R. Foulger and B.R. Julian, Source processes of industrially-induced earthquakes at The Geysers geothermal area, California, Geophysics, 64, 1877-1889, 1999
Barton, D.J., G.R. Foulger, J.R. Henderson and B.R. Julian, Frequency-magnitude statistics and spatial correlation dimensions of earthquakes at Long Valley caldera, California, Geophys. J. Int., 138, 563-570, 1999
Thatcher, W., G.R. Foulger, B.R. Julian, J. Svarc and E. Quilty, Present day deformation across the Basin and Range Province, western United States, Science, 283, 1714-1718, 1999
Banerjee, P., G.R. Foulger, S. Prakash and C.P. Dabral, Geoid undulation modelling and interpretation at Ladak, NW Himalaya using GPS and levelling data, J. Geodesy, 73, 79-86, 1999
Allen, R.M., G. Nolet, W.J. Morgan, K. Vogfjord, B.H. Bergsson, P. Erlendsson, G.R. Foulger, S. Jakobsdottir, B.R. Julian, M. Pritchard, S. Ragnarsson and R. Stefansson, The thin, hot plume beneath Iceland, Geophys. J. Int., 137, 51-63, 1999

1998

Foulger, G.R. and M.A. Hofton, Regional vertical motion in Iceland 1987-1992, determined using GPS surveying, in: Coastal Tectonics, I.S. Stewart and C. Vita-Finzi (Eds.), Geological Society, London, Special Publications, 146, 165-178, 1998
Miller, A.D., G.R. Foulger and B.R. Julian, Non-double-couple earthquakes 2. Observations, Rev. Geophys., 36, 551-568, 1998
Julian, B.R., A.D. Miller and G.R. Foulger, Non-double-couple earthquakes 1. Theory, Rev. Geophys., 36, 525-549, 1998
Foulger, G.R., P.E. Malin, E. Shalev, B.R. Julian and D.P. Hill, Seismic monitoring and activity increase in California caldera, EOS Trans. AGU, 79, 357-363, 1998
Miller, A.D., B.R. Julian and G.R. Foulger, Three-dimensional structure and moment tensors of non-double-couple earthquakes at the Hengill-Grensdalur volcanic complex, Iceland, Geophys. J. Int., 133, 309-325, 1998
Foulger, G.R., B.R. Julian, D.P. Hill, G. Sharer, L.E. Foulger, R. Perlroth, N. Dotson, A.M. Pitt and E. Brodsky, A microearthquake survey of the Mammoth Mountain area, Long Valley caldera, California, summer 1997, U.S. Geological Survey Open-File Report OF 98-236, 1998
Julian, B.R., A.M. Pitt and G.R. Foulger, Seismic image of a CO₂ reservoir beneath a seismically active volcano, Geophys. J. Int., 133, 7-10, 1998
Longair, M.S., K.A. Whaler, M.J. Penston, D.E. Osterbrock, P.A. Wayman, A. Blain, G. Foulger, G.Q.G. Stanley, R.W. Hilditch, S. Goodwin and S. Lynden-Bell, Meeting of the Royal Astronomical Society, Friday 1997 October 10 at 16(h)00(m) in the Scientific Societies' Lecture Theatre, Savile Row, Observatory, 118, 1143, 49-62, 1998

1997

Julian, B.R. and G.R. Foulger, Databases in the field: A dissenting view, IRIS newsletter, 16, 11-14, 1997
da Silva, H., G.R. Foulger, I.J. Barros, A. Querido, A.B. Walker and J.F.B.D. Fonseca, Seismic activity in Fogo and Brava Islands, Cape Verde, Proceedings of the International Symposium: The Eruption of 1995 at Fogo Island, Cape Verde, Lisbon 1996, 79-91, 1997
Sigmundsson, F., P. Einarsson, S.T. Rognvaldsson, G.R. Foulger, K.M. Hodgkinson and G. Thorbergsson, The 1994-1995 seismicity and deformation at the Hengill triple junction, Iceland: Triggering of earthquakes by minor magma injection in a zone of horizontal shear stress, J. Geophys. Res., 102, 15,151-15,161, 1997
Julian, B.R., A.D. Miller and G.R. Foulger, Non-double-couple earthquakes at the Hengill-Grensdalur geothermal area, southeast Iceland, Geophys. Res. Lett., 24, 743-746, 1997
Foulger, G.R., C.C. Grant, B.R. Julian and A. Ross, Industrially induced changes in Earth structure at The Geysers geothermal area, California, Geophys. Res. Lett., 24, 135-137, 1997

1996

Hofton, M.A. and G.R. Foulger, Post-rifting anelastic deformation around the spreading plate boundary, north Iceland, 2: Implications of the model derived from the 1987-1992 deformation field, J. Geophys. Res., 101, 25,423-25,436, 1996
Hofton, M.A. and G.R. Foulger, Post-rifting anelastic deformation around the spreading plate boundary, north Iceland, 1: Modeling of the 1987-1992 deformation field using a viscoelastic Earth structure, J. Geophys. Res., 101, 25,403-25,422, 1996
Einarsson, P., F. Sigmundsson, M.A. Hofton, G.R. Foulger and W. Jacoby, An experiment in glacio-isostacy near Vatnajökull, Iceland, 1991, Jokull, 44, 29-39, 1996
Hodgkinson, K.M. and G.R. Foulger, First epoch GPS survey of the Hengill triple junction, SW Iceland, and the effect of ocean loading, Jokull, 44, 17-27, 1996
Julian, B.R. and G.R. Foulger, Earthquake mechanisms from linear-programming inversion of seismic-wave amplitude ratios, Bull. Seismol. Soc. Am., 86, 972-980, 1996
Ross, A., G.R. Foulger and B.R. Julian, Non-double couple earthquake mechanisms at The Geysers geothermal area, California, Geophys. Res. Lett., 23, 877-880, 1996
Julian, B.R., A. Ross, G.R. Foulger and J.R. Evans, Three-dimensional image of a geothermal reservoir: The Geysers, California, Geophys. Res. Lett., 23, 685-688, 1996
Evans, J.R., G.R. Foulger, B.R. Julian and A.D. Miller, Shear-wave splitting from local earthquakes in the Hengill triple junction region, southwest Iceland, Geophys. Res. Lett., 23, 455-458, 1996

1995

Voelksen, C., C.-H. Jahn, G. Seeber and G.R. Foulger, Determination of recent crustal movements along the plate boundary in northern Iceland between 1987, 1990 and 1992, Proceedings, IUGG Meeting, Istanbul, Turkey, Sept. 1994, 971-982, 1995
Camitz, J., F. Sigmundsson, G.R. Foulger, C.-H. Jahn, C. Voelksen and P. Einarsson, Plate boundary deformation and continuing deflation of the Askja volcano, North Iceland, determined with GPS, 1987-1993, Bull. Volc., 57, 136-145, 1995
Hofton, M.A., J.B. Rundle and G.R. Foulger, Horizontal surface deformation due to dyke emplacement in an elastic-gravitational layer overlying a viscoelastic-gravitational half space, J. Geophys. Res., 100, 6329-6338, 1995
Foulger, G.R., The Hengill geothermal area, Iceland – variation of temperature gradients deduced from the maximum depth of seismogenesis, J. Volc. Geotherm. Res., 65, 119-133, 1995
Foulger, G.R., A.D. Miller, B.R. Julian and J.R. Evans, Three-dimensional V_p and V_p/V_s structures of the Hengill triple junction and geothermal area, Iceland and the repeatability of tomographic inversions, Geophys. Res. Lett., 22, 1309-1312, 1995
Evans, J.R., B.R. Julian, G.R. Foulger and A. Ross, Shear-wave splitting and wave-speed anisotropy of local earthquakes at The Geysers geothermal field, California, Geophys. Res. Lett., 22, 501-504, 1995

1994

Jahn, C-H., G. Seeber, G.R. Foulger and P. Einarsson, GPS epoch measurements spanning the mid-Atlantic plate boundary in northern Iceland 1987-1990, in Gravimetry and Space Techniques Applied to Geodynamics and Ocean Dynamics, Geophysical Monograph 82, IUGG, 17, 109-123, 1994
Arnott, S.K. and G.R. Foulger, The Krafla spreading segment, Iceland : 2. The accretionary stress cycle and non-shear earthquake focal mechanisms, J. Geophys. Res., 99, 23,826-23,842, 1994
Arnott, S.K. and G.R. Foulger, The Krafla spreading segment, Iceland: 1. Three dimensional crustal structure and the spatial and temporal distribution of local earthquakes, J. Geophys. Res., 99, 23,801-23,826, 1994
Foulger, G.R., M.A. Hofton, B.R. Julian, C.-H. Jahn and G. Seeber, Regional post-dyking deformation in N.E. Iceland: A third epoch of GPS measurements in 1992, J. Geod. Soc. Japan Spec. Issue, 99-105, 1994
Foulger, G.R., The 1992 Basin & Range Province GPS survey: 3. Data processing and results, U.S. Geological Survey Open-File Report OF 92-287, pp 39+ii, 1994
Foulger, G.R., The 1992 Basin & Range Province GPS survey: 2. The field survey, U.S. Geological Survey Open-File Report OF 92-286, pp 21+i, 1994
Julian, B.R. and G.R. Foulger, The 1992 Basin & Range Province GPS survey: 1. Point descriptions, U.S. Geological Survey Open-File Report OF 92-285, pp 79+ii, 1994

1993

Heki, K., G.R. Foulger, O. Alp and M. Ergun, The 1989 GPS Campaign in SW Turkey: Data analysis, in: Permanent Satellite Tracking Networks for Geodesy and Geodynamics, Proceedings of the Int. Assoc. Geod. Symposia 109, Vienna, Austria, Aug. 11-24, 1991, G.L. Mader (Ed.), Springer Verlag, New York, 131-140, 1993
Julian, B.R., A.D. Miller and G.R. Foulger, Non-shear focal mechanisms of earthquakes at The Geysers, CA., and Hengill, Iceland, geothermal areas, Trans. Geotherm. Res. Council, 17, 123-128, 1993
Julian, B.R., A. Prisk, G.R. Foulger and J.R. Evans, Three-dimensional images of geothermal systems: Local earthquake P-wave velocity tomography at the Hengill and Krafla geothermal areas, Iceland, and The Geysers, CA., Trans. Geotherm. Res. Council, 17, 113-121, 1993
Heki, K., G.R. Foulger, B.R. Julian and C.-H. Jahn, Plate dynamics near divergent boundaries: Geophysical implications of post-tectonic crustal deformation in NE Iceland detected using the Global Positioning System, J. Geophys. Res., 98, 14,279-14,297, 1993
Foulger, G.R., G. Beutler, R. Bilham, P. Einarsson, S. Fankhauser, W. Gurtner, U. Hugentobler, W.J. Morgan, M. Rothacher, G. Thorbergsson and U. Wild, The Iceland 1986 GPS geodetic survey: Tectonic goals and data processing results, Bull. Geodetica, 67, 148-172, 1993
Foulger, G.R. and S.K. Arnott, Local Tomography: volcanoes and the accretionary plate boundary in Iceland, Seismic Tomography: Theory and Practice, H.M. Iyer and K. Hirahara (Eds.), Chapman and Hall, 644-675, 1993
Foulger, G.R. and B.R. Julian, Non-double-couple earthquakes at the Hengill-Grensdalur volcanic complex, Iceland: Are they artifacts of crustal heterogeneity?, Bull. Seismol. Soc. Am., 83, 38-52, 1993

1992

Foulger, G.R. and R.E. Long, Non-double couple earthquake focal mechanisms and the accretionary tectonic cycle, in: Volcanic Seismology, IAVCEI Proceedings in Volcanology 3, P. Gasparini, R. Scarpa and K. Aki (Eds.), Springer-Verlag, 223-234, 1992
Foulger, G.R., C.-H Jahn, G. Seeber, P. Einarsson, B.R. Julian and K. Heki, Post rifting stress relaxation at the accretionary plate boundary in Iceland, measured using the Global Positioning System, Nature, 358, 488-490, 1992
Cameron, B.R., F.S. Cranmer and G.R. Foulger, Shallow structures beneath Heimaey and Surtsey from local gravity data, Surtsey Research Progress Report X, 79-92, 1992

1990

Salk, M., G.R. Foulger, M. Ergün and G. Cifci, A GPS geodetic survey of southwest Turkey, Jeofizik, 4, 49-52, 1990

1989

Foulger, G.R. and D.R. Toomey, Structure and evolution of the Hengill-Grensdalur central volcano complex, Iceland: Geology, geophysics and seismic tomography, J. Geophys. Res., 94, 17,511-17,522, 1989
Toomey, D.R. and G.R. Foulger, Application of tomographic inversion to local earthquake data from the Hengill-Grensdalur central volcano complex, Iceland, J. Geophys. Res., 94, 17,497-17,510, 1989
Fonseca, J.F.B.D. and G.R. Foulger, GPS satellite surveying and the study of destructive earthquakes: The case for a GPS survey in Portugal, Proceedings, Encontro sobre Sismologia e Engenharia Sismica, LNEC, Lisbon, Nov. 6-7, 1989
Jahn, C.-H., G. Seeber, G.R. Foulger and A. Bjornsson, A GPS survey in the north-east volcanic zone of Iceland 1987: First results, Proceedings, International Association of Geodesy, Symposium 101, Edinburgh, Scotland, 173-181, 1989
Foulger, G.R., R.E. Long, P. Einarsson and A. Bjornsson, Implosive earthquakes at the active accretionary plate boundary in northern Iceland, Nature, 337, 640-642, 1989

1988

Foulger, G., The Hengill triple junction, SW Iceland: 2. Anomalous earthquake focal mechanisms and implications for process within the geothermal reservoir and at accretionary plate boundaries, J. Geophys. Res., 93, 13,507-13,523, 1988
Foulger, G., The Hengill triple junction, SW Iceland: 1. Tectonic structure and the spatial and temporal distribution of local earthquakes, J. Geophys. Res., 93, 13,493-13,506, 1988

1987

Foulger, G., R. Bilham, W.J. Morgan and P. Einarsson, The Iceland GPS geodetic field campaign l986, EOS, 68, 1809-1818, 1987
Foulger, G.R., A GPS survey of Iceland and the north-Atlantic, Geophys. J. Royal astr. Soc., 89, 465, 1987

1984

Foulger, G.R., The Hengill geothermal area: Seismological studies 1978-1984, Science Institute report RH-07-84 and National Energy Authority report OS-84073/JHD-12, pp. 196, 1984
Foulger, G. and R.E. Long, Anomalous focal mechanism solutions: evidence for tensile crack formation on an accreting plate boundary, Nature, 310, 43-45, 1984
Foulger, G.R. and R.E. Long, Anomalous fault plane solutions – evidence for tensile crack formation on an accretionary plate boundary, Geophys. J. Royal astr. Soc., 77, 314, 1987

1983

Foulger, G.R., Seismicity of the Hengill geothermal area, Iceland, Geophys. J. Royal astr. Soc., 73, 299, 1983

1982

Foulger, G., Geothermal exploration and reservoir monitoring using earthquakes and the passive seismic method, Geothermics, 11, 259-268, 1982

1981

Einarsson, P., S. Bjornsson, G. Foulger, R. Stefansson and T. Skaftadottir, Seismicity pattern in the South Iceland seismic zone, Earthquake prediction - An International Review, Maurice Ewing, series 4, 141-151, 1981

1980

Foulger, G. and P. Einarsson, Recent earthquakes in the Hengill-Hellisheidi area in S.W. Iceland, J. Geophysics, 47, 171-175, 1980

last update 20th April, 2012