Mark R. Legg
Legg Geophysical
President
Expertise: Strike-slip faulting and Tectonics, Offshore earthquakes and tsunamis, Risk Assessment
About Me
Publications
Legg, M. R., & Kamerling, M. J. (2023, 09). Evolution and character of complex strike-slip faulting in southern and offshore California. Poster Presentation at 2023 SCEC Annual Meeting. SCEC Contribution 13118
Legg, M. R. (2021, 08). Late Quaternary activity of the San Diego Trough fault zone offshore Northwest Baja California . Poster Presentation at 2021 SCEC Annual Meeting. SCEC Contribution 11581
Legg, M. R., & Kamerling, M. J. (2020, 08). Oblique-rifting and evolution of southern California fault systems. Poster Presentation at 2020 SCEC Annual Meeting. SCEC Contribution 10634
Legg, M. R., & Kamerling, M. J. (2019, 08). Terrane Boundary Definition for the Borderland Geologic Framework SCEC5 Community Rheology Model. Poster Presentation at 2019 SCEC Annual Meeting. SCEC Contribution 9862
Legg, M. R., & Oskin, M. E. (2018, 08). Offshore Geology Framework for the Community Rheology Model. Poster Presentation at 2018 SCEC Annual Meeting. SCEC Contribution 8742
Hearn, E. H., Oskin, M. E., Thatcher, W. R., Hirth, G., Behr, W. M., & Legg, M. R. (2018, 08). Progress toward a Community Rheology Model of Southern California. Poster Presentation at 2018 SCEC Annual Meeting. SCEC Contribution 8696
Wolfe, F. D., Shaw, J. H., Plesch, A., Ponti, D. J., Dolan, J. F., & Legg, M. R. (2018, 07). The Wilmington Blind-Thrust Fault: An active, concealed earthquake source beneath Los Angeles, CA. Poster Presentation at 2018 SCEC Annual Meeting. SCEC Contribution 8213
Legg, M. R., Sorlien, C. C., Nicholson, C., Kamerling, M. J., & Kuhn, G. G. (2018, 06). Potential for large complex multi-fault earthquakes offshore southern California. Poster Presentation at 11th National Conference on Earthquake Engineering. SCEC Contribution 8123
Legg, M. R., Sorlien, C. C., Nicholson, C., Kamerling, M. J., & Kuhn, G. (2018, 03). Potential for large complex multi-fault earthquakes offshore southern California. Oral Presentation at 11th U.S. National Conference on Earthquake Engineering. SCEC Contribution 8023
Legg, M. R., Klemperer, S. L., Castillo, C. M., Cormier, M., Brennan, M., Bell, K., Coleman, D., Goldfinger, C., & Chaytor, J. (2016, 08). Seafloor expression of active transpressional faulting offshore Southern California. Poster Presentation at 2016 SCEC Annual Meeting. SCEC Contribution 7043
Castillo, C. M., Klemperer, S. L., Williams, E. F., Legg, M. R., & Francis, R. D. (2015, 12). Tsunamogenic landslides and marine paleoseismology: applications of the submerged marine terrace record, Santa Catalina Island, Southern California Borderland . Poster Presentation at 2015 AGU Fall Meeting. SCEC Contribution 6097
Legg, M. R. (2023). Evolution of a continental margin transform plate boundary: the San Clemente fault system offshore southern California. Cambridge, USA: Elsevier. SCEC Contribution 10071
Williams, E. F., Castillo, C. M., Klemperer, S. L., Maher, K., Francis, R. D., & Legg, M. R. (2015). Preliminary results of marine paleo-seismology from MCS, CHIRP, and coring off Catalina Island,. Poster Presentation at 2015 SCEC Annual Meeting. SCEC Contribution 6095
Legg, M. R., Kohler, M. D., Shintaku, N., & Weeraratne, D. S. (2015). High-resolution mapping of two large-scale transpressional fault zones in the California Continental Borderland: Santa Cruz-Catalina Ridge and Ferrelo faults. Journal of Geophysical Research: Earth Surface, 120, 915-942. SCEC Contribution 1742
Hauksson, E., Kanamori, H., Stock, J. M., Cormier, M., & Legg, M. R. (2014). Active Pacific North America plate boundary tectonics as evidenced by seismicity in the oceanic lithosphere offshore Baja California, Mexico. Geophysical Journal International, 196(3), 1619-1630. doi: 10.1093/gji/ggt467. SCEC Contribution 1745
Legg, M. R. (2013, 9). Tectonic evolution of transpressional fault systems: California Continental Borderland and adjacent coastal areas. Poster Presentation at SCEC Annual Meeting 2013. SCEC Contribution 2050
Legg, M. R., Nicholson, C., & Sorlien, C. C. (2010). Miocene oblique rifting of the San Diego Trough Region, California Continental Borderland. Oral Presentation at 106th Annual Meeting American Association of Petroleum Geologists. SCEC Contribution 1740
Legg, M. R., Goldfinger, C., Kamerling, M. J., Chaytor, J., & Einstein, D. (2007). Morphology, structure and evolution of California Continental Borderland restraining bends. In W. Cunningham, & P. Mann (Eds.), Tectonics of Strike-Slip Restraining and Releasing Bends, (, pp. 143-168) London, : Geological Society of London doi: 10.1144/SP290.3. SCEC Contribution 954
Plesch, A., Shaw, J. H., Bryant, W. A., Carena, S., Cooke, M. L., Dolan, J. F., Fuis, G. S., Gath, E. M., Grant Ludwig, L. B., Hauksson, E., Jordan, T. H., Kamerling, M. J., Legg, M. R., Lindvall, S. C., Magistrale, H., Nicholson, C., Niemi, N. A., Oskin, M. E., Perry, S. C., Planansky, G., Rockwell, T. K., Shearer, P. M., Sorlien, C. C., Suess, M., Suppe, J., Treiman, J. A., & Yeats, R. S. (2007). Community Fault Model (CFM) for Southern California. Bulletin of the Seismological Society of America, 97(6), 1793-1802. doi: 10.1785/0120050211. SCEC Contribution 1134
Legg, M. R., Davis, P. M., & Gath, E. M. (2004). Geology and Tectonics of Santa Catalina Island and the California Continental Borderland. In M. R. Legg, P. M. Davis, & E. M. Gath (Eds.), South Coast Geological Society Annual Field Trip Guidebook, (1, pp. 409) Santa Ana, CA, : South Coast Geological Society SCEC Contribution 875
Legg, M. R., Kamerling, M. J., & Francis, R. D. (2004). Termination of Strike-Slip Faults at Convergence Zones Within Continental Transform Boundaries: Examples from the California Continental Borderland. , : . doi: 10.1144/GSL.SP.2004.227.01.04. SCEC Contribution 678
Legg, M. R., Nicholson, C., Goldfinger, C., Milstein, R., & Kamerling, M. J. (2004). Large enigmatic crater structures offshore southern California. Geophysical Journal International, 159(2), 803-815. SCEC Contribution 1582
Last updated Sep 20, 2023.
