Session: The Multidisciplinary Approach of the Seismotectonics as a Key Tool to Expand Horizons on Faulting Process Understanding and to Address Effective Seismic Hazard Assessment II (GSA 2020 Connects Online)

Session No. 33

Monday, 26 October 2020: 5:30 PM-8:00 PM

T1. The Multidisciplinary Approach of the Seismotectonics as a Key Tool to Expand Horizons on Faulting Process Understanding and to Address Effective Seismic Hazard Assessment II

CRUST - Interuniversity Center for 3D Seismotectonics with Territorial Applications; GSA Geophysics and Geodynamics Division; GSA Structural Geology and Tectonics Division

Federica Ferrarini, Rita de Nardis and J Ramón Arrowsmith, Advocates

Paper #

Start Time

5:30 PM

Introductory Remarks

33-1

5:35 PM

LINKING FIELD DATA, STRESS MODELLING AND COSMOGENIC ANALYSES TO UNDERSTAND FAULT INTERACTION AND HISTORICAL EARTHQUAKES IN THE ITALIAN APENNINES (Invited Presentation)

MILDON, Zoe K.¹, ROBERTS, Gerald P.², FAURE-WALKER, Joanna³, TODA, Shinji⁴, IEZZI, Francesco², SGAMBATO, Claudia³, BECK, Joakim⁵, PAPANIKOLAOU, Ioannis⁶ and MICHETTI, Alessandro⁷, (1)School of Geography, Earth and Environmental Sciences, University of Plymouth, Drakes Circus, Plymouth, PL4 8AA, United Kingdom, (2)Research School of Earth Sciences, UCL/Birkbeck, University of London, Gower Street, London, WC1E 6BT, United Kingdom, (3)Institute for Risk and Disaster Reduction, University College London, London, WC1E 6BT, United Kingdom, (4)International Research Institute of Disaster Science, Tohoku University, Aoba, Sendai, 980-0845, Japan, (5)King Abdullah University of Science and Technology, Thuwal, 23955, Saudi Arabia, (6)Agricultural University of Athens, Athens, 118 55, Greece, (7)Università degli Studi dell’Insubria, Como, 21100, Italy

33-2

5:50 PM

ON-FAULT GEOLOGICAL FINGERPRINT OF EARTHQUAKE RUPTURE DIRECTION

KEARSE, Jesse, School of Geography, Environment, and Earth Sciences, Victoria University of Wellington, Kelburn Parade, Kelburn, Wellington, 6012, New Zealand and KANEKO, Yoshihiro, Tectonophysics, GNS Science, 1 Fairway drive, Avalon, Lower Hutt, 8042, New Zealand

33-3

6:05 PM

GEOLOGIC AND GEOPHYSICAL CHARACTERIZATION OF THE BARTLETT SPRINGS FAULT ZONE (CALIFORNIA): IMPLICATIONS FOR FAULT BEHAVIOR AND EVOLUTION OF A MAJOR STRIKE-SLIP FAULT

LANGENHEIM, Victoria, Geology, Minerals, Energy, and Geophysics Science Center, U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 98195-94025, MCLAUGHLIN, R.J., U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025 and MELOSH, Benjamin L., US Geological Survey, P.O. Box 158, 350 N Akron Rd, Moffett Field, CA 94035

33-4

6:20 PM

SURFACE RUPTURE FROM THE 2020 M6.5 MONTE CRISTO RANGE EARTHQUAKE, NEVADA

DEE, Seth M.¹, KOEHLER, Richard D.¹, ELLIOTT, Austin², DE MASI, Conni¹, HADDON, Elizabeth K.³, HATEM, Alexandra E.⁴, PICKERING, Alexandra², PIERCE, Ian⁵, SEITZ, Gordon G.⁶ and WESNOUSKY, Steven G.⁷, (1)Nevada Bureau of Mines and Geology, University of Nevada Reno, Reno, NV 89557, (2)Earthquake Science Center, U.S. Geological Survey, Menlo Park, CA 94025, (3)U.S. Geological Survey, Geology, Minerals, Energy & Geophysics Science Center, Moffett Field, CA 94035, (4)U.S. Geological Survey, Geologic Hazards Science Center, 1711 Illinois St, Golden, CO 80401, (5)Center for Neotectonics and Seismological Laboratory, University of Nevada, 1664 North Virginia St., Reno, NV 89557, (6)California Geological Survey, 1900 S. Norfolk St., Suite 300, San Mateo, CA 94403, (7)Center for Neotectonic Studies and Seismological Laboratory, University of Nevada, Reno, MS 169, Reno, NV 89557

33-5

6:35 PM

QUATERNARY REACTIVATION OF LARAMIDE FAULTS IN NORTH-CENTRAL NEW MEXICO

THOMPSON JOBE, Jessica A. and CHUPIK, Colin, Bureau of Reclamation, Denver Federal Center, Denver, CO 80215

33-6

6:50 PM

IMPLICATIONS OF AN EVOLVING REGIONAL STRESS FIELD ON FAULTING BEHAVIOR IN SOUTHERN CASCADIA

MCKENZIE, Kirsty A., Department of Geosciences, Pennsylvania State University, 403 Deike Building, University Park, PA 16802 and FURLONG, Kevin, Department of Geosciences, Pennsylvania State University

33-7

7:05 PM

PALEOSEISMIC TRENCHING EXPOSES MULTIPLE LATE QUATERNARY RUPTURES ON THE BEAUFORT RANGE FAULT, NORTHERN CASCADIA FOREARC, BRITISH COLUMBIA, CANADA

LYNCH, Emerson M.¹, REGALLA, Christine¹, BENNETT, Scott E.K.², MORELL, Kristin³, LEONARD, Lucinda J.⁴, HARRICHHAUSEN, Nicolas³ and NISSEN, Edwin⁴, (1)School of Earth and Sustainability, Northern Arizona University, 625 S. Knoles, Flagstaff, AZ 86011, (2)Geology, Minerals, Energy, and Geophysics Science Center, U.S. Geological Survey, Moffett Field, CA 94035, (3)Earth Science, University of California, Santa Barbara, Santa Barbara, CA 93106-9630, (4)School of Earth and Ocean Sciences, University of Victoria, Bob Wright Centre, Victoria, BC V8W 2Y2, Canada

33-8

7:15 PM

SEISMOTECTONIC ACTIVITY OF A FOOTHILL FAULT SYSTEM IN THE NORTHERN ANDES. THE ALGECIRAS FAULT, EASTERN CORDILLERA, COLOMBIA

CHICANGANA, German E., Facultad de Ingeniería Civil, Universidad Santo Tomas, Carrera22 Calle 1A Vía Puerto López, Calle 46A N 45 - 14, Villavicencio, 50001, Colombia and VARGAS, Carlos Alberto, Department of Geosciences, Universidad Nacional de Colombia, Bogota, 111911, Colombia

33-9

7:25 PM

JUMPING ROCKS AS AN INDICATOR OF GROUND MOTION DURING THE 4 JULY 2019 M6.4 RIDGECREST EARTHQUAKE

ZUCKERMAN, Malinda G.¹, AMOS, Colin B.¹, MADUGO, Christopher², ELLIOTT, Austin J.³, KOTTKE, Albert R.², GOULET, Christine A.⁴, MENG, Xiaofeng⁴ and CAPLAN-AUERBACH, Jacqueline¹, (1)Geology Department, Western Washington University, 516 High St. MS 9080, Bellingham, WA 98225, (2)Pacific Gas and Electric Company, 245 Market Street, San Francisco, CA 94105, (3)U.S. Geological Survey, Moffett Field, CA 94035, (4)Southern California Earthquake Center, Los Angeles, CA 90089

7:35 PM

Discussion

7:40 PM

Concluding Remarks

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