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Solutions For Complex Earth Science Problems Around the World Since 1997

ECI Staff Publications

  • Gath, E.M., Gonzalez, T., and Rockwell, T., 2016, Tectonic geomorphic and paleoseismic investigation of the Gatún fault in central Panamá; in Proceedings of the 7th International INQUA Meeting on Paleoseismology, Active Tectonics and Archeoseismology (PATA), 31 May – 4 June, 2016, Crestone, Colorado USA, pp. 88-91.
  • Gath, E.M., 2015, Mitigating Surface Faulting: Developing an Earthquake Fault Zoning Act for the New Millennium; in Lund, William R. (ed.), Proceedings Volume, Basin and Range Province, Seismic Hazards Summit III, Utah Geological Survey Miscellaneous Publication 15-5 (DVD), Technical Session 6, Salt Lake City, Utah, 8p.
  • Gath, E.M., Gonzalez, T., Madugo, C., and Montero, W., 2015, Paleoseismology of the North Panamá Deformed Belt from Uplifted Coral Platforms at Moín and Limón, Caribbean Coast of Costa Rica; in Blumetti, A.M. et al. (eds.), Abstracts Volume, 6th International INQUA Meeting on Paleoseismology, Active Tectonics and Archaeoseismology (PATA), 19 – 24 April 2015, Pescina, Fucino Basin, Italy, Instituto Nazionale di Geofisica e Vulcanologia, Miscellana INGV 2015-27, pp. 181-184. 
  • Gonzalez, T., 2015, Fault Rupture Hazard Investigations in California – Arguments in Favor of Changing the Alquist-Priolo Act (abs.):  Seismological Research Letters, Vol. 86, No. 2B, p. 655 (presented at the Annual Meeting of the Seismological Society of America, Pasadena, California, 20 – 24 April, 2015.
  • Gath, E. and Buresh, T., 2014, Critique of the MTA Century City Area Fault Investigation: How did Things go so Wrong in the Fault Analysis of the Century City – Beverly Hills Area?; manuscript prepared for arbitration hearing, 70p. [Web published at http://bhcourier.com/wp-content/uploads/2014/08/CRITIQUE-OF-THE-MTA.pdf or summarized at http://bhcourier.com/gath-buresh-report-disputes-mta-findings-on-fault/ and on video at https://www.youtube.com/channel/UCuF2AVvUFRlTJ92oa6JKMkQ]
  • Bennett, R.A., Spinler, J.C., Compton, K., Rockwell, T.K., and Gath, E., 2014, GPS constraints on active crustal deformation in central Panamá: Seismological Research Letters, Vol. 85, No. 2, pp. 278-283.
  • Gath, E.M., Gonzalez, T., Madugo, C., and Montero, W., 2014, Paleoseismology of the North Panamá Deformed Belt from Uplifted Coral Platforms at Moín and Limón, Costa Rica (Abstract): Geological Society of America Annual Meeting & Exposition, Abstracts with Programs, Session 272-5, Vol. 46, No. 6, p. 661 [https://gsa.confex.com/gsa/2014AM/webprogram/Paper244415.html]
  • Gath, E., Gonzalez, T., Roe, J., Buchiarelli, P., and Kenney, M., 2013, The West Beverly Hills Lineament and Beverly Hills High School: An Unexpected Journey; in Seismic Hazard, Critical Facilities, and Slow Active Faults, Proceedings of 4th International INQUA Meeting on Paleoseismology, Active Tectonics and Archeoseismology (PATA), Aachen, Germany, pp. 77-81.
  • Gonzalez, T., 2011, Tsunami and Storm Surges:  Similarities and Differences:  Association of Environmental and Engineering Geologists, AEG News, Vol. 54, No. 2, pp. 15-17.
  • Verdugo, D., Gonzalez, T., and Gath, E., 2011, Seismotectonics of Japan’s subduction zones: Association of Environmental & Engineering Geologists, AEG News, Vol. 54, No. 2, pp. 20-22.
  • Gath, E.M. and Gonzalez, T., 2011, Three-dimensional investigation of the AD 1621 Pedro Miguel fault rupture for design of the Panama Canal’s Borinquén Dam; in Proceedings 2nd INQUA-IGCP-567 International Workshop on Active Tectonics, Earthquake Geology, Archaeology and Engineering, Corinth, Greece, 4p.
  • Gath, E., Gonzalez, T., and Rockwell, T., 2011, Quantification of Coseismic Fault Rupture Through the Panamá Canal Expansion Project’s Borinquén Dam; in Pina, C., Portela, E., and Gomes, J.P., (eds), Proceedings of the 6th International Conference on Dam Engineers; Laboratório Nacional de Engenharia Civil, Lisbon, Portugal, pp. 485-498, ISBN: 978-981-08-7896-2.
  • Rockwell, T., Gath, E., Gonzalez, T., Madden, C., Verdugo, D., Lippencott, C., Dawson, T., Owen, L.A., Fuchs, M., Cadena, A., Williams, P., Weldon, E., and Franceschi, P., 2010, Neotectonics and paleoseismology of the Limón and Pedro Miguel faults in Panamá: Earthquake Hazard to the Panama Canal: Bulletin of the Seismological Society of America, Vol. 100, No. 6, pp. 3097-3129, doi: 10.1785/0120090342. [Received the 2012 Claire P. Holdredge Award from the Association of Environmental & Engineering Geologists for a publication that is judged to be an outstanding contribution to the Engineering Geology profession. http://www.aegweb.org/about-aeg/awards/holdredge-award http://www.aegweb.org/about-aeg/awards/holdredge-award]
  • Gath, E., 2010, The San Gabriel Fault: A Summary of its Structural History and Neotectonics; in Saint, P, Herzberg, M., and Zaprianoff, B., (eds.), Geology and Hydrology in the San Gabriel Mountains: South Coast Geological Society Field Trip Guidebook, No. 36, pp. 157-168.
  • Rockwell, T.K., Bennett, R.A., Gath, E., and Franceschi, P., 2010, Unhinging an Indenter: A New Tectonic Model for the Internal Deformation of Panama: Tectonics, Vol. 29, No. 4, TC4027, doi:10.1029/2009TC002571.
  • Gath, E.M. and Rockwell, T.K., 2009, Coseismic offset of the Camino de Cruces confirms the Pedro Miguel fault as the cause of the AD 1621 Panama Viejo earthquake: in Pérez-Lopez, R., Grützner, C., Lario, J., Reicherter, K., and Silva, P.G., (eds.), Archeoseismology and Palaeoseismology in the Alpine-Himalayan Collisional Zone: 1st INQUA-IGCP-567 International Workshop on Earthquake Archaeology and Palaeoseismology, Baelo Claudia (Cádiz), Spain, Abstracts Volume, pp. 32-35.
  • Plesch, A., Shaw, J.H., Benson, C., Bryant, W.A., Carena, S., Cooke, M., Dolan, J., Fuis, G., Gath, E.,  Grant, L., Hauksson, E., Jordan, T., Kamerling, M., Legg, M., Lindvall, S., Magistrale, H., Nicholson, C., Niemi, N., Oskin, M., Perry, S., Planansky, G., Rockwell, T., Shearer, P., Sorlien, C., Süss, M.P., Suppe, J., Treiman, J., and Yeats, R.S., 2007, Community Fault Model (CFM) for Southern California: Bulletin of the Seismological Society of America, Vol.. 97, pp. 1793–1802.
  • Bilodeau, W.L., Bilodeau, S.W., Gath, E.M., Oborne, M., and Proctor, R.J., 2007, Geology of Los Angeles, California, United States of America: Environmental and Engineering Geoscience Bulletin, Vol. XIII, No. 2, pp. 99-160. http://www.aegweb.org/docs/publications/la.pdf?sfvrsn=2 [Received the 2010 E.B. Burwell Award from the Geological Society of America for a published paper of distinction that advances knowledge concerning principles or practice of engineering geology. http://www.geosociety.org/awards/10speeches/burwell.pdf]
  • Gonzalez, T., 2007, Pre-instrumental Earthquakes in Panama and the Seismic Hazard of the Panama Canal: Using the Past to Prepare for the Future (abstract):  Association of Engineering Geologists 50th Anniversary Annual Meeting, Los Angeles, California, September 24-28, 2007, Vol. 50 Program with Abstracts, pp. 85-86.
  • Gonzalez, T., Rockwell, T., Gath, E., Dawson, T., and Cadena, A., 2007, Tectonic Geomorphology and Paleoseismology of the Limón Fault, Panama (abstract):  Association of Engineering Geologists Annual Meeting, Los Angeles, California, September 24-28, 2007, Vol. 50 Program with Abstracts, p. 86.
  • Gath, E., Gonzalez, T., Madden, C., Dawson, T., Rockwell, T., and Franceschi, P., 2007, Seismic Hazard Studies for the Panama Canal Expansion Project Using Tectonic Geomorphology (abstract): Association of Engineering Geologists 50th Anniversary Annual Meeting, Los Angeles, California, September 24-28, 2007, Vol. 50 Program with Abstracts, pp. 84-85.
  • Madden, C., Gonzalez, T., Rockwell, T., Dawson, T., and Gath, E., 2007, Tectonic Geomorphology and Paleoseismology of the Pedro Miguel fault, Panama (abstract): Association of Engineering Geologists 50th Anniversary Annual Meeting, Los Angeles, California, September 24-28, 2007, Vol. 50 Program with Abstracts, p. 102.
  • Rockwell, T., Gath, E., Gonzalez, T., Dawson, T., and Cadena, A., 2007, Tectonic Geomorphology and Paleoseismology of the Gatún fault, Panama (abstract): Association of Engineering Geologists 50th Anniversary Annual Meeting, Los Angeles, California, September 24-28, 2007, Vol. 50 Program with Abstracts, p. 114.
  • Hogrelius, A., 2007, Detection of surface deformation using satellite interferometry (InSAR), method and application (abstract): Poster presented at 50th Annual Meeting of the Association of Engineering and Environmental Geologists, Universal City, California, on September 27: AEG News, Vol. 50 Program with Abstracts, p. 91.
  • Grant, L.B., Gath, E.M., Owen, L.A., Runnerstrom, E.E., 2006, Active deformation and earthquake potential of the southern Los Angeles Basin, Orange County, California, in Bonsangue, J. and Lemmer, R., (eds.), Geology of the Orange County Region, Southern California: South Coast Geological Society, Annual Field Trip Guidebook No. 33, pp. 101-134.
  • Hogrelius, A., 2007, The December 20, 2006 Landslide at Munkedal, Sweden – A geohazard caused by quick clay: AEG News, Vol. 50, No. 1, pp. 14-17, March issue.
  • Yeats, R.S. and Gath, E.M., 2005, Paleoseismology of surface ruptures: research tool or standard of practice?: Association of Environmental & Engineering Geologists, AEG News, March, 2005, pp. 21-23.
  • Hogrelius, A., 2004, REE Minerals in the Bastnäs Mine: Contribution to the GFF Field Trip Guidebook for the CER200 – Rare Earth Minerals Symposium, Bastnäs, Sweden, September 24, 2004.
  • Yeats, R.S. and Gath, E.M., 2004, The role of geology in seismic hazard mitigation; in Bozorgnia, Y. and Bertero, V.V.  (eds.), Earthquake Engineering: From Engineering Seismology to Performance-Based Engineering: CRC Press, pp. 3.1-3.23.
  • Gath, E., 2004, The Gap Ahead: The Pending Conflict Between “Engineering Geology” and “Environmental Geology” and What It Means for AEG; in Tepel, R.E. (ed), Symposium Proceedings (CD), Visioning the Future of Engineering Geology: Association of Engineering Geologists Special Publication No. 19, 12 p.
  • Committee to Develop a Long-Term Research Agenda for the Network for Earthquake Engineering Simulation (NEES), 2003, Preventing Earthquake Disasters: The grand challenge in earthquake engineering: A research agenda for the Network for Earthquake Engineering Simulation (NEES); National Academy of Science, National Research Council, Board on Infrastructure and the Constructed Environment, 138p. [E. Gath on committee]
  • Gath, E.M., Runnerstrom, E.E., and Grant, L.B., 2003, Active deformation and earthquake potential of the southern Los Angeles Basin, Orange County, California: USGS Final Technical Report NEHRP Grant 01HQGR0117, 27p.
  • Klinger, Y., Sieh, K., Altunel, E., Akoglu, A., Barka, A., Dawson, T., Gonzalez, T., Meltzner, A., and Rockwell, T., 2003, Paleoseismic evidence of characteristic slip on the western segment of the North Anatolian fault, Turkey: Bulletin of the Seismological Society of America, Vol. 93, No. 6, pp. 2317-2332.
  • Grant, L.B., Mueller, K.J., Gath, E.M., and Munro, R., 2000, Late Quaternary uplift and earthquake potential of the San Joaquin Hills, southern Los Angeles basin, California: Comment and Reply: Geology, Vol. 28, pp. 383-384.
  • Rockwell, T., Barka, A., Akyuz, S., Dawson, T., Sieh, K., and Gonzalez, T., 2000, The North Anatolia fault around the Marmara Sea, and pre- and post-earthquake research after the August 17, 1999 Koaceli earthquake: in Abstract Volume, NATO Advanced Research Seminar, Integration of Earth Sciences Research on the 1999 Turkish and Greek Earthquakes and Needs for Future Cooperative Research, Istanbul, May 2000, pp. 47-50.
  • Rockwell, T.; Lindvall, S.; Herzberg, M.; Murbach, D.; Dawson, T.; and Berger, G., 2000, Paleoseismology of the Johnson Valley, Kickapoo and Homestead Valley faults: clustering of earthquakes in the eastern California shear zone: Bulletin of the Seismological Society of America, Vol. 90, pp. 1200-1237.
  • Gath, E.M., 1999, Incorporating multi-hazard awareness into land planning for future disaster reduction: lessons learned in Southern California, USA; in Karaca, M. and Ural, D.N. (eds), Proceedings of the ITU-IAHS International Conference on the Kocaeli Earthquake of 17 August, 1999—a scientific assessment and recommendations for re-building: Istanbul Technical University, Istanbul, Turkey, pp. 221-228.
  • Grant, L.B., Mueller, K.J., Gath, E.M., Cheng, H., Edwards, R.L., Munro, R., and Kennedy, G.L., 1999, Late Quaternary uplift and earthquake potential of the San Joaquin Hills, southern Los Angeles basin, California: Geology, Vol. 27, pp. 1031-1034.
  • Healy, T., with EERI Seismic Ethics Committee—B. Lizunda, C.D. Comartin, E. Gath, J.M. Nigg, L.T. Tobin, and M. Greene, 1998, Ethical issues and earthquake risk reduction: Earthquake Engineering Research Institute, EERI Endowment Fund White Paper, 70p.
  • Gath, E.M., Gonzalez, T., and Sieh, K., 1998, Earthquake risk assessment at San Bernardino Valley College: hazard mitigation astride the San Jacinto fault in Southern California (abstract):  Seismic Safety of Big Cities, Earthquake Prognostics World Forum, International Commission on Earthquake Prognostics and the Turkish Earthquake Foundation, Istanbul, Turkey, p. TMS-3.
  • Gath, E.M., 1997, Tectonic geomorphology of the eastern Los Angeles Basin: US Geological Survey Final Technical Report, NEHRP Contract No. 1434-95-G-2526, 13 p., 1 plate, 6 figures, 6 tables.
  • Dolan, J.F., Sieh, K., Rockwell, T.K., Yeats, R.S., Shaw, J., Suppe, J., Huftile, G.J. and Gath, E.M., 1995, Prospects for larger or more frequent earthquakes in the Los Angeles metropolitan region: Science, Vol. 267, pp. 199-205.
  • Yogachandra, C., Bausch, D., Gath, E.M. and Hayden, R., 1994, Techniques of liquefaction mitigation: Earthquake Engineering Research Institute, Earthquake Basics Series, 7p., 20 35 mm slides.
  • Gath, E.M., Gonzalez, T., Drumm, P.L. and Buchiarelli, P., 1994, A paleoseismic investigation at the northern terminus of the Whittier fault zone, in the Whittier Narrows area, Rosemead, California: Technical Report to the Southern California Earthquake Center, 37p., numerous plates.
  • Herzberg, M. and Rockwell, T., 1994, Timing of past earthquakes on the northern Johnson Valley fault and their relationship to the 1992 rupture; in Murbach, D. (ed.), Mojave Desert: South Coast Geological Society Annual Field Trip Guidebook, pp. 388-392.
  • Bray, J.D., Ashmawy, A., Mukhopadhyay, G., and Gath, E.M., 1993, Use of geosynthetics to mitigate earthquake fault rupture propagation through compacted fill; in Geosynthetics ’93 Conference Proceedings, Industrial Fabrics Association International, St. Paul, MN, Vol.1, pp. 379-392.
  • Gonzalez, T., 1993, Use of soil lamellae as stratigraphic markers in fault investigations in the Los Angeles and Ventura basins [abs.], Association of Engineering Geologists Program and Abstracts 36th Annual Meeting, p. 50.
  • Herzberg, M. and Rockwell, T.K., 1993, Timing of past earthquakes on the northern Johnson Valley fault and their relationship to the 1992 rupture: EOS AGU Fall Supplement, p. 612.
  • Rockwell, T., Schwartz, D., Sieh, K., Rubin, C., Lindvall, S., Herzberg, M., Padgett, D., and Fumal, T., 1993, Initial paleoseismic studies following the Landers earthquake: Implications for fault segmentation and earthquake clustering:  EOS AGU Fall Supplement, p. 67.
  • Rockwell, T.K., Gath, E.M., and Gonzalez, T., 1992, Sense and rate of slip on the Whittier fault zone, eastern Los Angeles Basin, California: Proceedings of the 35th Annual Meeting, Association of Engineering Geologists, p. 679.
  • Gath, E.M., Gonzalez, T., and Rockwell, T.K., 1992, Slip Rate of the Whittier Fault Based on 3-D Trenching at Brea, Southern California: Abstracts with Programs, The Geological Society of America 88th Annual Cordilleran Section, Vol. 24, No. 5., p. 26.
  • Gath, E.M., Gonzalez, T. and Rockwell, T.K., 1992, Evaluation of the late Quaternary rate of slip, Whittier fault, southern California: US Geological Survey Final Technical Report, NEHRP Contract No. 14-08-0001-G1696, 24 p., numerous plates.
  • Bausch, D., Gath, E.M., Gonzalez, T., Dolan, J. and Sieh, K., 1992, Application of new developments in seismic hazard assessment, revised Safety Element of the General Plan, City of Santa Monica, California; in Stout, M.L. (ed.), Proceedings of the 35th Annual Meeting: Association of Engineering Geologists, pp. 707-713.
  • Barrie, D., Tatnall, T.S. and Gath, E.M., 1992, Neotectonic uplift and ages of Pleistocene marine terraces, San Joaquin Hills, Orange County, California; in Ehlig, P.L. and Steiner, E.A. (eds.), Engineering Geology Field Trips: Orange County, Santa Monica Mountains, and Malibu: Association of Engineering Geologists, Southern California Section, 35th Annual Meeting, Guidebook and Volume, pp. A55-A61. [Reprinted in Heath E.D. and W.L. Lewis (eds.) 1992, The Regressive Pleistocene Shoreline, Coastal Southern California: South Coast Geological Society, Santa Ana, California, p. 115-122.]
  • Gath, E.M., 1992, Geologic hazards and hazard mitigation in the Los Angeles region; in Pipkin, B.W. and Proctor, R.J. (eds.), Engineering Geology Practice in Southern California: Association of Engineering Geologists, Southern California Section, Special Publication No. 4, pp. 1-32.
  • Mathewson, C.C., Gonzalez, T., and Eblen, J.S., 1992, Burial as a Method of Archaeological Site Protection, Contract Report EL-92-1, US Army Engineer Waterways Experiment Station, Vicksburg, Mississippi.
  • Gonzalez, T. and Rockwell, T.K., 1991, Holocene Activity of the Springville Fault in Camarillo, Transverse Ranges, Southern California; Preliminary Observations; in Blake, T.F. and Larson, R.A. (eds.), Engineering Geology along the Simi-Santa Rose Fault System and Adjacent Areas, Simi Valley to Camarillo, Ventura County, California; Field Trip Guidebook of the 1991 Annual Field Trip, Southern California Section: Association of Engineering Geologists, pp. 369-383.
  • Whitney, R.A. and Gath, E.M., 1991, Structure, tectonics, and surface rupture hazard at the Las Posas anticline, Ventura County, California; in Blake, T.F. and Larson, R.A.  (eds.), Engineering Geology along the Simi-Santa Rosa Fault System and Adjacent Areas, Simi Valley to Camarillo, Ventura County, California: Field Trip Guidebook of the 1991 Annual Field Trip, Southern California Section, Association of Engineering Geologists, pp. 164-182.
  • Sanchez, P.E., Clark, B.R., Ziony, J.I., McKnight, J.S. and Gath, E.M., 1991, Seismic zonation in the Los Angeles region; in Proceedings of the Fourth International Conference on Seismic Zonation; Earthquake Engineering Research Institute, pp. 797-844.
  • Sanchez, P.E. and Gath, E.M., 1990, Hazard reduction in Los Angeles County: Technical Appendix to the Safety Element of the Los Angeles County General Plan; Los Angeles County Department of Regional Planning, 2 volumes, 430p., 8 plates.
  • Rockwell, T.K., Gath, E.M. and Cook, K.D., 1988, Soil chronology and tectonic geomorphology of the Whittier fault zone, Yorba Linda, California: a preliminary estimate of the late Quaternary lateral slip rate; in Gath, E.M., and Cann, L.C. (eds.), Neotectonics of the Whittier Fault: Association of Engineering Geologists, Southern California Section, Field Trip Guidebook.
  • Gonzalez, T., 1989, Appendix A: Interdisciplinary Bibliography on the Cultural, Physical, Chemical, and Biological Factors Affecting Archaeological Sites; in Mathewson, C. (ed.), Interdisciplinary Workshop on the Physical Chemical Biological Processes Affecting Archaeological Sites, Contract Report EL-89, U.S. Army Engineer Water Waterways Experiment Station, Vicksburg, Mississippi.
  • Mathewson, C.C., and Gonzalez, T., 1988, Protection and Preservation of Archaeological Sites through Burial; in Marinos, P.G. and Koukis, G.C. (eds.), Proceedings of an International Symposium on the Engineering Geology of Ancient Works, Monuments and Historical Sites: Preservation and Protection:  A.A. Balkema, Rotterdam, Vol. 1, pp. 519 526.
  • Leighton, F.B., Cann, L.R., Gath, E.M. and Bergmann, M.C., 1987, Fault activity and recurrence interval of the western segment of the Whittier fault, California: Final Technical Report to the U.S. Geological Survey, Contract No. 14-08-001-21368, dated August 14, 1987, by Leighton and Associates, Inc.
  • Gath, E.M., 1987, Quaternary lakes in the Owens River system; in Gath, E.M., Gregory, J.L., Sheehan, J.R., Baldwin, E.J., and Hardy, J.K. (eds.), Geology and Mineral Wealth of the Owens Valley Region, California: South Coast Geological Society, Santa Ana, California, pp. 44-57.
  • Guptill, P.D., Gath, E.M., and Ruff, R.W., (eds.), 1985, Geology of the Imperial Valley, California: South Coast Geological Society, Santa Ana, California, 225p.
  • Gath, E.M., 1985, Brief overview of the tectonic origin of the Southern California Continental Borderland; in Gath, E.M. and Bottoms, M.M. (eds.), Field Trip to Santa Catalina Island: South Coast Geological Society, Santa Ana, California, pp. 9-15.
  • Gath, E.M., 1984, An overview of glacial chronology for the Mammoth Lakes regions, eastern Sierra Nevada, California; in Payne, C.M., Ruff, R.W. and Gath, E.M., (eds.), Geology of the Long Valley, Mono Craters; Mammoth Lakes Area; South Coast Geological Society, Santa Ana, California, pp. 54-60.
  • Gath, E.M., 1983, Bishop ash exposed in a road cut near Murrieta, California; in Steller, D.L., Bryant, M., and Gath, E.M., (eds.), Geology of the Northern Elsinore Trough: South Coast Geological Society, Santa Ana, California, pp. 136-139.
  • Gath, E.M., 1983, Style of faulting interpreted from a trenching investigation, Glen Ivy South fault, Riverside County, California; in Steller, D.L., Bryant, M., and Gath, E.M., (eds.), Geology of the Northern Elsinore Trough: South Coast Geological Society, Santa Ana, California, pp. 105-114.