Staff profile

• Iceland tectonics and structure
• crustal deformation using the Global Positioning System (GPS)
• earthquake seismology
• geothermal prospecting

Authored book

• Foulger, G. (2010). Plates vs Plumes: A Geological Controversy. Wiley
• Foulger, G. (1984). The Hengill geothermal area : seismological studies 1978-1984. Science Institute, University of Iceland

Chapter in book

• Julian, B. R., Foulger, G. R., Hatfield, O., Jackson, S. E., Simpson, E., Einbeck, J., & Moore, A. (2015). Hotspots in Hindsight. In The Interdisciplinary Earth: A Volume in Honor of Don L. Anderson (105-121). The Geological Society of America / AGU. https://doi.org/10.1130/2015.2514%2808%29
• Foulger, G., Christiansen, R., & Anderson, D. (2015). The Yellowstone “hot spot” track results from migrating basin-range extension. In G. Foulger, M. Lustrino, & S. King (Eds.), The interdisciplinary earth : a volume in honor of Don L. Anderson (215-238). Geological Society of America. https://doi.org/10.1130/2015.2514%2814%29%26%238203%3B
• Foulger, G., & Julian, B. (2015). Non-Double-Couple Earthquakes. In M. Beer, I. Kougioumtzoglou, E. Patelli, & I.-K. Au (Eds.), Encyclopedia of earthquake engineering (1-31). Springer Verlag. https://doi.org/10.1007/978-3-642-36197-5_290-1
• Foulger, G., Natland, J., & Anderson, D. (2005). Genesis of the Iceland melt anomaly by plate tectonic processes. In G. Foulger, J. Natland, D. Presnall, & D. Anderson (Eds.), Plates, Plumes, and Paradigms (595-625)
• Foulger, G., & Hofton, M. (1998). Regional vertical motion in Iceland 1987-1992, determined using GPS surveying. In I. Stewart, & C. Vita-Finzi (Eds.), Coastal Tectonics (165-178). Geological Society Special Publication
• Jahn, C.-H., Seeber, G., Foulger, G., & Einarsson, P. (1994). 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 (109-123). (Gravimetry and Space Techniques Applied to Geodynamics and Ocean Dynamics, Geophysical Monograph 82, UGG, 17)
• Foulger, G., & Arnott, S. (1993). Local tomography : volcanoes and the accretionary plate boundary in Iceland. In H. Iyer, & K. Hirahara (Eds.), Seismic tomography : theory and practice (644-675). Chapman and Hall
• Foulger, G., & Long, R. (1992). Non-double couple earthquake focal mechanisms and the accretionary tectonic cycle. In P. Gasparini, R. Scarpa, & K. Aki (Eds.), Volcanic Seismology (IAVCEI Proceedings in Volcanology 3) (223-234). Springer Verlag
• Einarsson, P., Bjornsson, S., Foulger, G., Stefansson, R., & Skaftadottir, T. (1981). Seismicity pattern in the South Iceland seismic zone, Earthquake prediction - An International Review. In D. Simpson, & P. Richards (Eds.), Earthquake prediction (Maurice Ewing series 4) (141-151). American Geophysical Union. https://doi.org/10.1029/me004p0141

Conference Paper

• Foulger, G., & Julian, B. (2014, February). Maximizing EGS earthquake location accuracies. Presented at 39th Workshop on Geothermal Reservoir Engineering, Stanford, California
• Foulger, G., & Julian, B. (2013, February). Seismological software for geothermal monitoring. Presented at Thirty-eighth Workshop on Geothermal Reservoir Engineering., Stanford University, Stanford
• Cladouhos, T., Petty, S., Nordin, Y., Moore, M., Grasso, K., Uddenberg, M., Sawyer, M., Julian, B., & Foulger, G. (2013, February). Microseismic monitoring of Newberry Volcano EGS Demonstration. Presented at Thirty-Eighth Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford

Edited book

• Foulger, G., & Jurdy, D. (Eds.). (2007). Plumes, Plates, and Planetary Processes. https://doi.org/10.1130/spe430
• Foulger, G., Natland, J., Presnall, D., & Anderson, D. (Eds.). (2005). Plates, Plumes, and Paradigms

Journal Article

• Foulger, G., Julian, B., Hill, D., Sharer, G., Foulger, L., Perlroth, R., Dotson, N., Pitt, A., & Brodsky, E. (online). A microearthquake survey of the Mammoth Mountain area, Long Valley caldera, California, summer 1997
• Foulger, G., Hofton, M., Julian, B., Jahn, C.-H., & Seeber, G. (online). Regional post-dyking deformation in N.E. Iceland: A third epoch of GPS measurements in 1992
• Posamentier, H. W., Nikishin, A. M., Aleshina, K. F., Rodina, E. A., Afanasenkov, A. P., Bachtel, S. L., & Foulger, G. R. (2025). Carbonate deposition in the Arctic during the Paleocene Eocene Thermal Maximum (PETM) and Early Eocene Climatic Optimum (EECO). Gondwana Research, 139, 136-146. https://doi.org/10.1016/j.gr.2024.11.011
• Vogt, P. R., & Foulger, G. R. (2025). Lithospheric weakspots, not hotspots: New England-Quebec and Shenandoah anorogenic magmatism in the context of global plate tectonics, intraplate stress and LIPs. Earth-Science Reviews, 260, Article 104991. https://doi.org/10.1016/j.earscirev.2024.104991
• Foulger, G. R., & Dong, L. (2024). Induced seismicity. Scientific Reports, 14(1), Article 29087. https://doi.org/10.1038/s41598-024-79796-z
• Koehl, J.-B. P., Jolley, D. W., Peace, A. L., Muñoz-Barrera, J. M., & Foulger, G. R. (2024). Impact of sub-basalt thrust systems on the Faroe continental shelf for the late Paleoproterozoic-Cenozoic tectonic evolution of the margin. Open Research Europe, 4, Article 181. https://doi.org/10.12688/openreseurope.18284.1
• Foulger, G. R., Nikishin, A. M., Aleshina, K. F., & Rodina, E. A. (2024). The remarkable parallels between the North East Atlantic and Arctic regions. Tectonophysics, 880, Article 230317. https://doi.org/10.1016/j.tecto.2024.230317
• Koehl, J.-B. P., Tappe, S., Foulger, G. R., & Anell, I. M. (2024). Devonian-Mississippian magmatism related to extensional collapse in Svalbard: implications for radiating dyke swarms. Open Research Europe, 4, Article 262. https://doi.org/10.12688/openreseurope.18798.1
• Wilkinson, M., Mhana, N., Wilson, M. P., Foulger, G. R., Tezel, T., & Gluyas, J. G. (2024). The plausibility of claimed induced seismicity. Scientific Reports, 14(1), Article 30846. https://doi.org/10.1038/s41598-024-81632-3
• Foulger, G., Wilkinson, M., Wilson, M., Mhana, N., Tezel, T., & Gluyas, J. (2023). Human-induced earthquakes: E-PIE—a generic tool for Evaluating Proposals of Induced Earthquakes. Journal of Seismology, 27(1), 21-44. https://doi.org/10.1007/s10950-022-10122-8
• Liu, J., Li, S., Cao, X., Dong, H., Suo, Y., Jiang, Z., Zhou, J., Li, X., Zhang, R., Liu, L., & Foulger, G. R. (2023). Back‐Arc Tectonics and Plate Reconstruction of the Philippine Sea‐South China Sea Region Since the Eocene. Geophysical Research Letters, 50(5), Article e2022GL102154. https://doi.org/10.1029/2022gl102154
• Foulger, G. R., Wilkinson, M. W., Wilson, M. P., & Gluyas, J. G. (2022). Human-Induced Earthquakes: The Performance of Questionnaire Schemes. Bulletin of the Seismological Society of America, 112(6), 2773-2794. https://doi.org/10.1785/0120220079
• Zhao, Y., Riel, B., Foulger, G., & Ding, W. (2022). How strongly do plumes influence Pacific seamount distribution?. Earth and Planetary Science Letters, 595, Article 117786. https://doi.org/10.1016/j.epsl.2022.117786
• Werner, P., Foulger, G., Gernigon, L., Guan, H., & Geoffroy, L. (2020). The extent of continental material in oceans: C-Blocks and the Laxmi Basin example. Geophysical Journal International, 222(3), 1471-1479. https://doi.org/10.1093/gji/ggaa215
• Schiffer, C., Doré, A. G., Foulger, G. R., Franke, D., Geoffroy, L., Gernigon, L., Holdsworth, R., Kusznir, N., Lundin, E., McCaffrey, K., Peace, A., Petersen, K. D., Phillips, T., Stephenson, R., Stoker, M. S., & Welford, K. (2020). Structural inheritance in the North Atlantic. Earth-Science Reviews, 206, Article 102975. https://doi.org/10.1016/j.earscirev.2019.102975
• Foulger, G. R., Schiffer, C., & Peace, A. L. (2020). A new paradigm for the North Atlantic Realm. Earth-Science Reviews, 206, Article 103038. https://doi.org/10.1016/j.earscirev.2019.103038
• Foulger, G. R., Wilson, M., Gluyas, J., Julian, B. R., & Davies, R. (2018). Global review of human-induced earthquakes. Earth-Science Reviews, 178, 438-514. https://doi.org/10.1016/j.earscirev.2017.07.008
• Peace, A. L., Foulger, G. R., Schiffer, C., & McCaffrey, K. J. (2017). Evolution of Labrador Sea–Baffin Bay: Plate or Plume Processes?. Geoscience Canada, 44(3), 91-102. https://doi.org/10.12789/geocanj.2017.44.120
• Wilson, M., Davies, R., Foulger, G., Julian, B., Styles, P., & Gluyas, J. (2015). Anthropogenic earthquakes in the UK: A national baseline prior to shale exploitation. Marine and Petroleum Geology, 68(Part A), 1-17. https://doi.org/10.1016/j.marpetgeo.2015.08.023
• Davies, R., Foulger, G., Bindley, A., & Styles, P. (2013). Induced Seismicity and Hydraulic Fracturing for the Recovery of Hydrocarbons. Marine and Petroleum Geology, 45, 171-185. https://doi.org/10.1016/j.marpetgeo.2013.03.016
• Foulger, G., Panza, G., Artemieva, I., Bastow, I., Cammarano, F., Evans, J., Hamilton, W., Julian, B., Lustrino, M., Thybo, H., & Yanovskaya, T. (2013). Caveats on tomographic images. Terra Nova, 25(4), 259-281. https://doi.org/10.1111/ter.12041
• Davies, R., Foulger, G., Mathias, S., Moss, J., Hustoft, S., & Newport, L. (2013). Reply: Davies et al. (2012), Hydraulic fractures: How far can they go?. Marine and Petroleum Geology, 43, 519-521. https://doi.org/10.1016/j.marpetgeo.2013.02.001
• Foulger, G. (2012). Are 'hot spots' hot spots?. Journal of Geodynamics, 58, 1-28. https://doi.org/10.1016/j.jog.2011.12.003
• Julian, B., & Foulger, G. (2010). Time-dependent seismic tomography. Geophysical Journal International, 182(3), 1327-1338. https://doi.org/10.1111/j.1365-246x.2010.04668.x
• Julian, B., Foulger, G., Monastero, F., & Bjornstad, S. (2010). Imaging Hydraulic Fractures in a Geothermal Reservoir. Geophysical Research Letters, 37, Article L07305. https://doi.org/10.1029/2009gl040933
• Foulger, G. (2006). Older crust underlies Iceland. Geophysical Journal International, 165(2), 672-676. https://doi.org/10.1111/j.1365-246x.2006.02941.x
• Foulger, G., Fitton, J., Presnall, D., & Morgan, W. (2006). The great plume debate. Eos, Transactions American Geophysical Union, 87(7), 76-80. https://doi.org/10.1029/2006eo070004
• Du, Z., Vinnik, L., & Foulger, G. (2006). Evidence from P-to-S mantle converted waves for a flat “660-km” discontinuity beneath Iceland. Earth and Planetary Science Letters, 241(1-2), 271-280. https://doi.org/10.1016/j.epsl.2005.09.066
• Foulger, G., & Anderson, D. (2005). A cool model for the Iceland hotspot. Journal of Volcanology and Geothermal Research, 141(1-2), 1-22. https://doi.org/10.1016/j.jvolgeores.2004.10.007
• Foulger, G., Natland, J., & Anderson, D. (2005). A source for Icelandic magmas in remelted Iapetus crust. Journal of Volcanology and Geothermal Research, 141(1-2), 23-44. https://doi.org/10.1016/j.jvolgeores.2004.10.006
• Vinnik, L., Foulger, G., & Du, Z. (2005). Seismic boundaries in the mantle beneath Iceland: a new constraint on temperature. Geophysical Journal International, 160(2), 533-538. https://doi.org/10.1111/j.1365-246x.2005.02529.x
• Foulger, G. (2005). Mantle plumes: Why the current skepticism?. Chinese Science Bulletin, 50, 1555-1600. https://doi.org/10.1360/982005-919
• Du, Z., & Foulger, G. (2004). Surface wave waveform inversion for variation in upper mantle structure beneath Iceland. Geophysical Journal International, 157(1), 305-314. https://doi.org/10.1111/j.1365-246x.2004.02202.x
• Foulger, G., Julian, B., Hill, D., Pitt, A., Malin, P., & Shalev, E. (2004). Non-double-couple microearthquakes at Long Valley caldera, California, provide evidence for hydraulic fracturing. Journal of Volcanology and Geothermal Research, 132(1), 45-71. https://doi.org/10.1016/s0377-0273%2803%2900420-7
• Foulger, G., Natland, J., & Anderson, D. (2004). Penrose Conference Report. Plume IV: Beyond the Plume Hypothesis � Tests of the plume paradigm and alternatives. GSA Today, 14, 26-28
• Julian, B., & Foulger, G. (2004). Microearthquake Focal Mechanisms: A Tool for Monitoring Geothermal Systems
• Foulger, G., & Julian, B. (2004). A powerful tool: Use of time-dependent MEQ tomography for monitoring producing geothermal reservoirs
• Foulger, G., Du, Z., & Julian, B. (2003). Icelandic-type crust. Geophysical Journal International, 155(2), 567-590. https://doi.org/10.1046/j.1365-246x.2003.02056.x
• Foulger, G., & Natland, J. (2003). Is 'hotspot' volcanism a consequence of plate tectonics?. Science, 300(5621), 921-922. https://doi.org/10.1126/science.1083376
• Gunasekera, R., Foulger, G., & Julian, B. (2003). Reservoir depletion at The Geysers geothermal area, California, shown by four-dimensional seismic tomography. Journal of Geophysical Research, 108(B3), Article 2134. https://doi.org/10.1029/2001jb000638
• Foulger, G. (2003). In response... Astronomy and Geophysics, 44(1), https://doi.org/10.1046/j.1468-4004.2003.44113.x
• Foulger, G. (2003). Plumes, plates and Popper. Geoscientist, 13(5), 16-17
• Foulger, G. (2002). Plumes, or plate tectonic processes?. Astronomy and Geophysics, 43(6), 6.19-6.23. https://doi.org/10.1046/j.1468-4004.2002.43619.x
• Allen, R., Nolet, G., Morgan, W., Vogfjörd, K., Bergsson, B., Erlendsson, P., Foulger, G., Jakobsdóttir, S., Julian, B., Pritchard, M., Ragnarsson, S., & Stefánsson, R. (2002). Imaging the mantle beneath Iceland using integrated seismological techniques. Journal of Geophysical Research, 107(B12), Article 2325. https://doi.org/10.1029/2001jb000595
• Allen, R., Nolet, G., Morgan, W., Vogfjörd, K., Nettles, M., Ekström, G., Bergsson, B., Erlendsson, P., Foulger, G., Jakobsdóttir, S., Julian, B., Pritchard, M., Ragnarsson, S., & Stefánsson, R. (2002). Plume-driven plumbing and crustal formation in Iceland. Journal of Geophysical Research, 107(B8), Article 2163. https://doi.org/10.1029/2001jb000584
• Du, Z., Foulger, G., Julian, B., Allen, R., Nolet, G., Morgan, W., Bergsson, B., Erlendsson, P., Jakobsdottir, S., Ragnarsson, S., Stefansson, R., & Vogfjord, K. (2002). Crustal structure beneath western and eastern Iceland from surface waves and receiver functions. Geophysical Journal International, 149(2), 349-363. https://doi.org/10.1046/j.1365-246x.2002.01642.x
• Foulger, G. (2002). There is no plume under Iceland. Observatory, 122, 316-320
• Shen, Y., Solomon, S., Bjarnason, I., Nolet, G., Morgan, W., Allen, R., Vogfjord, K., Jakobsdottir, S., Stefansson, R., Julian, B., & Foulger, G. (2002). Seismic evidence for a tilted mantle plume and large-scale, north-south flow beneath Iceland. Earth and Planetary Science Letters, 197, 261-272. https://doi.org/10.1016/s0012-821x%2802%2900494-6
• Christiansen, R., Foulger, G., & Evans, J. (2002). Upper-mantle origin of the Yellowstone hotspot. GSA Bulletin, 114, 1245-1256
• Foulger, G., Pritchard, M., Julian, B., Evans, J., Allen, R., Nolet, G., Morgan, W., Bergsson, B., Erlendsson, P., Jakobsdottir, S., Ragnarsson, S., Stefansson, R., & Vogfjord, K. (2001). Seismic tomography shows that upwelling beneath Iceland is confined to the upper mantle. Geophysical Journal International, 146(2), 504-530. https://doi.org/10.1046/j.0956-540x.2001.01470.x
• Foulger, G., & Pearson, D. (2001). Is Iceland underlain by a plume in the lower mantle? Seismology and helium isotopes. Geophysical Journal International, 145(3), F1-F5. https://doi.org/10.1046/j.0956-540x.2001.01457.x
• Du, Z., & Foulger, G. (2001). Variation in the crustal structure across central Iceland. Geophysical Journal International, 145(1), 246-264. https://doi.org/10.1111/j.1365-246x.2001.00377.x
• Foulger, G., Pritchard, M., Julian, B., Evans, J., Allen, R., Nolet, G., Morgan, W., Bergsson, B., Erlendsson, P., Jakobsdottir, S., Ragnarsson, S., Stefansson, R., & Vogfjord, K. (2000). The seismic anomaly beneath Iceland extends down to the mantle transition zone and no deeper. Geophysical Journal International, 142, F1-F5. https://doi.org/10.1046/j.1365-246x.2000.00245.x
• Pritchard, M., Foulger, G., Julian, B., & Fyen, J. (2000). Seismic-array constraints on a possible plume in the mid-mantle beneath Iceland. Geophysical Journal International, 143, 119-128. https://doi.org/10.1046/j.1365-246x.2000.00221.x
• Foulger, G., & Field, P. (2000). Comparison of local earthquake tomographic crustal models with gravity data for the Hengill and Krafla areas
• Julian, B., Evans, J., Pritchard, M., & Foulger, G. (2000). A geometrical error in some versions of the ACH method of teleseismic tomography. Bulletin of the Seismological Society of America, 90, 1554-1558. https://doi.org/10.1785/0119990169
• Du, Z., Foulger, G., & Mao, W. (2000). Noise reduction for broadband, three-component seismograms using data-adaptive polarization filter. Geophysical Journal International, 141, 820-828. https://doi.org/10.1046/j.1365-246x.2000.00156.x
• Barton, D., Foulger, G., Henderson, J., & Julian, B. (1999). Frequency-magnitude statistics and spatial correlation dimensions of earthquakes at Long Valley caldera, California. Geophysical Journal International, 138, 563-570. https://doi.org/10.1046/j.1365-246x.1999.00898.x
• Thatcher, W., Foulger, G., Julian, B., & Svarc, J. (1999). Present day deformation across the Basin and Range. Science, 283, 1714-1718
• Henderson, J., Barton, D., & Foulger, G. (1999). Fractal clustering of induced seismicity in the Geysers geothermal area, California. Geophysical Research Letters, 139, 317-324
• Foulger, G. (1999). The Iceland plume: Now you see it, now you don’t
• Ross, A., Foulger, G., & Julian, B. (1999). Source processes of industrially-induced earthquakes at The Geysers geothermal area, California. Geophysics, 64, 1877-1889
• Banerjee, P., Foulger, G., Prakash, S., & Dabral, C. (1999). Geoid undulation modelling and interpretation at Ladak, NW Himalaya using GPS and levelling data. Journal of Geodesy, 73, 79-86
• Du, Z., & Foulger, G. (1999). The crustal structure beneath the Northwest Fjords, Iceland, from receiver functions and surface waves. Geophysical Journal International, 139, 419-432. https://doi.org/10.1046/j.1365-246x.1999.00945.x
• Allen, R., Nolet, G., Morgan, W., Vogfjord, K., Bergsson, B., Erlendsson, P., Foulger, G., Jakobsdottir, S., Julian, B., Pritchard, M., Ragnarsson, S., & Stefansson, R. (1999). The thin, hot plume beneath Iceland. Geophysical Journal International, 137, 51-63. https://doi.org/10.1046/j.1365-246x.1999.00753.x
• Julian, B., Pitt, A., & Foulger, G. (1998). Seismic image of a CO₂ reservoir beneath a seismically active volcano. Geophysical Journal International, 133, 7-10. https://doi.org/10.1046/j.1365-246x.1998.1331540.x
• Miller, A., Julian, B., & Foulger, G. (1998). Three-dimensional structure and moment tensors of non-double-couple earthquakes at the Hengill-Grensdalur volcanic complex, Iceland. Geophysical Journal International, 133, 309-325. https://doi.org/10.1046/j.1365-246x.1998.00492.x
• Foulger, G., Malin, P., Shalev, E., Julian, B., & Hill, D. (1998). Seismic monitoring and activity increase in California caldera
• Miller, A., Foulger, G., & Julian, B. (1998). Non-double-couple earthquakes 2. Observations, Rev. Geophysics, 36, 551-568
• Julian, B., Miller, A., & Foulger, G. (1998). Non-double-couple earthquakes 1. Theory. Reviews of Geophysics, 36, 525-549
• Julian, B., & Foulger, G. (1997). Databases in the field: A dissenting view
• Foulger, G. (1997). How tectonic plates move
• Sigmundsson, F., Einarsson, P., Rognvaldsson, S., Foulger, G., Hodgkinson, K., & Thorbergsson, G. (1997). 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. Journal of Geophysical Research, 102(15), 15151-15161. https://doi.org/10.1029/97jb00892
• Foulger, G., Ross, A., Julian, B., & Grant, C. (1997). Industrially induced changes in Earth structure at The Geysers geothermal area, California. Geophysical Research Letters, 24, 135-137
• Julian, B., Miller, A., & Foulger, G. (1997). Non-double-couple earthquakes at the Hengill-Grensdalur geothermal area, southeast Iceland. Geophysical Research Letters, 24, 743-746
• Evans, J., Foulger, G., Julian, B., & Miller, A. (1996). Shear-wave splitting from local earthquakes in the Hengill triple junction region, southwest Iceland. Geophysical Research Letters, 23, 455-458
• Hofton, M., & Foulger, G. (1996). Post-rifting anelastic deformation around the spreading plate boundary, north Iceland, 2: Implications of the model derived from the 1987-1992 deformation field. Journal of Geophysical Research, 101, 25423-25436. https://doi.org/10.1029/96jb02465
• Julian, B., Ross, A., Foulger, G., & Evans, J. (1996). Three-dimensional image of a geothermal reservoir: The Geysers, California. Geophysical Research Letters, 23, 685-688
• Foulger, G., & Hofton, M. (1996). Post-rifting anelastic deformation around the spreading plate boundary, north Iceland, 1: Modeling of the 1987-1992 deformation field using a viscoelastic Earth structure. Journal of Geophysical Research. Solid Earth, 101, 25403 - 25421
• Einarsson, P., Sigmundsson, F., Hofton, M., Foulger, G., & Jacoby, W. (1996). An experiment in glacio-isostacy near Vatnajökull, Iceland
• Julian, B., & Foulger, G. (1996). Moment tensors from linear inversion of body-wave amplitude ratios: Powerful constraints on earthquake mechanisms. Bulletin of the Seismological Society of America, 86, 972-980
• Ross, A., Foulger, G., & Julian, B. (1996). Non-double couple earthquake mechanisms at The Geysers geothermal area, California. Geophysical Research Letters, 23, 877-880
• Hodgkinson, K., & Foulger, G. (1996). First epoch GPS survey of the Hengill triple junction, SW Iceland, and the effect of ocean loading
• Camitz, J., Sigmundsson, F., Foulger, G., Jahn, C.-H., Voelksen, C., & Einarsson, P. (1995). Plate boundary deformation and continuing deflation of the Askja volcano, North Iceland, determined with GPS, 1987-1993. Bulletin of Volcanology, 57, 136-145. https://doi.org/10.1007/bf00301404
• Hofton, M., Rundle, J., & Foulger, G. (1995). Surface deformation due to dyke emplacement in an elastic-gravitational layer overlying a viscoelastic-gravitational half space. Journal of Geophysical Research, 100, 6329-6338. https://doi.org/10.1029/94jb03266
• Foulger, G. (1995). The Hengill triple junction, SW Iceland: Geothermal gradients and the depth of the base of the seismogenic layer. Journal of Volcanology and Geothermal Research, 65, 119-133
• Foulger, G., Miller, A., Julian, B., & Evans, J. (1995). Three-dimensional VP and VP/VS structures of the Hengill triple junction and geothermal area, Iceland and the repeatability of tomographic inversions. Geophysical Research Letters, 22, 1309-1312
• Evans, J., Julian, B., Foulger, G., & Ross, A. (1995). Shear-wave splitting and wave-speed anisotropy of local earthquakes at The Geysers geothermal field, California. Geophysical Research Letters, 22, 501-504
• Arnott, S., & Foulger, G. (1994). The Krafla spreading segment, Iceland: 1. Three dimensional crustal structure and the spatial and temporal distribution of local earthquakes. Journal of Geophysical Research. Solid Earth, 99, 23801-23826
• Arnott, S., & Foulger, G. (1994). The Krafla spreading segment, Iceland : 2. The accretionary stress cycle and non-shear earthquake focal mechanisms. Journal of Geophysical Research. Solid Earth, 99, 23826-23842
• Julian, B., Prisk, A., Foulger, G., & Evans, J. (1993). Three-dimensional images of geothermal systems: Local earthquake P-wave velocity tomography at the Hengill and Krafla geothermal areas, Iceland, and The Geysers, CA. Transactions - Geothermal Resources Council, 17, 113-121
• Julian, B., Miller, A., & Foulger, G. (1993). Non-shear focal mechanisms of earthquakes at The Geysers, CA., and Hengill, Iceland, geothermal areas. Transactions - Geothermal Resources Council, 17, 123-128
• Foulger, G., Beutler, G., Bilham, R., Einarsson, P., Fankhauser, S., Gurtner, W., Hugentobler, U., Morgan, W., Rothacher, M., Thorbergsson, G., & Wild, U. (1993). The Iceland 1986 GPS geodetic survey: Tectonic goals and data processing results
• Foulger, G., & Julian, B. (1993). Non-double-couple earthquakes at the Hengill-Grensdalur volcanic complex, Iceland: Are they Artifacts of Crustal Heterogeneity?. GSA Bulletin, 83, 38-52
• Heki, K., Foulger, G., Julian, B., & Jahn, C.-H. (1993). Plate kinematics near divergent boundaries: Geophysical implications of post-tectonic crustal deformation in NE Iceland detected using the Global Positioning System. Journal of Geophysical Research. Solid Earth, 98, 14279-14297
• Foulger, G., Jahn, C.-H., Seeber, G., Einarsson, P., Julian, B., & Heki, K. (1992). Post rifting stress relaxation at the accretionary plate boundary in Iceland, measured using the Global Positioning System. Nature, 358, 488-490. https://doi.org/10.1038/358488a0
• Cameron, B., Cranmer, F., & Foulger, G. (1992). Shallow structures beneath Heimaey and Surtsey from local gravity data
• Salk, M., Foulger, G., Ergün, M., & Cifci, G. (1990). A GPS geodetic survey of southwest Turkey
• Toomey, D., & Foulger, G. (1989). Application of tomographic inversion to local earthquake data from the Hengill-Grensdalur central volcano complex, Iceland. Journal of Geophysical Research. Solid Earth, 94, 17497-17510
• Foulger, G., & Toomey, D. (1989). Structure and evolution of the Hengill-Grensdalur central volcano complex, Iceland: Geology , geophysics and seismic tomography. Journal of Geophysical Research, 94, 17511-17522. https://doi.org/10.1029/jb094ib12p17511
• Foulger, G., Long, R., Einarsson, P., & Bjornsson, A. (1989). Implosive earthquakes at the active accretionary plate boundary in northern Iceland. Nature, 337, 640-642. https://doi.org/10.1038/337640a0
• Foulger, G. (1988). The Hengill triple junction, SW Iceland: 1. Tectonic structure and the spatial and temporal distribution of local earthquakes. Journal of Geophysical Research. Solid Earth, 93, 13493-13506
• Foulger, G. (1988). The Hengill triple junction, SW Iceland: 2. Anomalous earthquake focal mechanisms and implications for process within the geothermal reservoir and at accretionary plate boundaries. Journal of Geophysical Research. Solid Earth, 93, 13507-13523
• Foulger, G., Bilham, R., Morgan, W., & Einarsson, P. (1987). The Iceland GPS geodetic field campaign l986
• Foulger, G., & Long, R. (1984). Anomalous focal mechanism solutions: evidence for tensile crack formation on an accreting plate boundary. Nature, 310, 43-45. https://doi.org/10.1038/310043a0
• Foulger, G. (1982). Geothermal exploration and reservoir monitoring using earthquakes and the passive seismic method. Geothermics, 11, 259-268
• Foulger, G., & Einarsson, P. (1980). Recent earthquakes in the Hengill-Hellisheidi area in S.W. Iceland. Journal of Geophysical Research, 47, 171-175

Report

• Foulger, G. (1994). The 1992 Basin & Range Province GPS survey: 3. Data processing and results. [No known commissioning body]
• Foulger, G. (1994). The 1992 Basin & Range Province GPS survey: 2. The field survey. [No known commissioning body]
• Julian, B., & Foulger, G. (1994). The 1992 Basin & Range Province GPS survey: 1. Point descriptions. [No known commissioning body]