2015 GSA Annual Meeting in Baltimore, Maryland, USA (1-4 November 2015)

Session No. 105
Monday, 2 November 2015: 8:00 AM-12:00 PM
Room 345/346 (Baltimore Convention Center)

GSA Special Nepal (Gorkha) Earthquake Session

GSA Quaternary Geology and Geomorphology Division; GSA International; GSA Geology and Society Division; GSA Structural Geology and Tectonics Division; The Geological Society of America
Anke M. Friedrich and Elizabeth J. Catlos, Chairs
Paper #
Start Time
 
8:00 AM
Introductory Remarks
8:05 AM
A GREAT GREATER INDIA: A PALEOMAGNETIC PERSPECTIVE ON THE AMOUNT OF CENOZOIC SUBDUCTION AND UNDERTHRUSTING WITHIN THE CENTRAL HIMALAYA
LIPPERT, Peter C., Department of Geology & Geophysics, University of Utah, Frederick A. Sutton Building, 115 S 1460 E, Room 383, Salt Lake City, UT 84112-0102, VAN HINSBERGEN, Douwe J.J., Department of Earth Sciences, Utrecht University, Budapestlaan 4, Utrecht, 3584 CD, Netherlands, HUANG, Wentao, Department of Geosciences, University of Arizona, 1040 E. 4th Street, Tucson, AZ 85721 and DUPONT-NIVET, Guillaume, University of Postdam, Institute of Earth and Environmental Science, Building 27, Karl-Liebknecht-Str. 24-25, Postdam, 14476, Germany, pete.lippert@utah.edu
8:20 AM
UNZIPPING OF LOCKED MHT BY THE 2015, MW 7.8 GORKHA EARTHQUAKE, NEPAL
AVOUAC, Jean-Philippe, Department of Earth Sciences, University of Cambridge, Bullard Laboratories, Madingley Road, Cambridge, CB3 OEZ, United Kingdom; Geological and Planetary Sciences, California Institute of Technology, 1200 E. California Blvd, MC 100-23, Pasadena, CA 91125, MENG, Lingsen, Department of Earth, Planetary and Space Sciences, University of California, Los Angeles, CA 950095, MELGAR, Diego, Seismological Laboratory, university of Berkeley, Berkeley, CA 94720, WEI, Shengji, Nanyang Technological University, Singpore, 639798, Singapore, WANG, Teng, Southern Methodist University, Dallas, TX 750395, BOCK, Yehuda, Scripps Instit. of Oceanography, Univ. of California-San Diego, 9500 Gilman Dr, La Jolla, CA 92093-0244, AMPUERO, Jean-Paul, Geology and Planetary Sciences Division, California Institute of Technology, Los Angeles, CA 91125, STEVENS, Vicky, Seismological Laboratory, Caltech, Pasadena, CA 91125-2100, GALETZKA, John, UNAVCO, Boullder, CO 80301 and GENRICH, Joachim, Tectonics Observatory, California Institute of Technology, Pasadena, CA 91125, avouac@gps.caltech.edu
8:35 AM
SEISMOLOGICAL CHARACTERISTICS OF THE 25 APRIL 2015 MW 7.9 GORKHA, NEPAL EARTHQUAKE
LAY, Thorne, Earth and Planetary Sciences, University of California Santa Cruz, 1156 High Street, Santa Cruz, CA 95064, tlay@ucsc.edu
8:50 AM
3D VISUALIZATION OF GEOLOGIC, GEODETIC, AND SEISMIC DATA FROM THE APRIL - MAY 2015, NEPAL, EARTHQUAKE DOUBLET
CARENA, Sara, Department of Earth and Environmental Sciences, Geology, University of Munich, Luisenstr. 37, Munich, 80333, Germany and VERDECCHIA, Alessandro, Department of Earth and Environmental Sciences, University of Munich, Munich, 80333, Germany, scarena@iaag.geo.uni-muenchen.de
9:05 AM
GEOMETRY OF THE MAIN HIMALAYAN THRUST FAULT REVEALED BY THE GORKHA EARTHQUAKE
ELLIOTT, John Ross1, JOLIVET, Romain2, GONZALEZ, Pablo3, AVOUAC, Jean-Philippe2, HOLLINGSWORTH, James4, SEARLE, Michael P.5 and STEVENS, Vicky6, (1)Earth Sciences, University of Oxford, The Earth Sciences Building, South Parks Road, Oxford, OX1 3AN, United Kingdom, (2)Earth Sciences, University of Cambridge, Bullard Laboratories, Madingley Rise, Madingley Road, Cambridge, CB3 0EZ, United Kingdom, (3)School of Earth & Environment, University of Leeds, Leeds, LS2 9JT, United Kingdom, (4)Arup, 13 Fitzroy Street, London, W1T 4BQ, United Kingdom, (5)Department of Earth Sciences, University of Oxford, South Parks Road, Oxford, OX1 3AN, United Kingdom, (6)Seismological Laboratory, Caltech, Pasadena, CA 91125-2100, john.elliott@earth.ox.ac.uk
9:20 AM
INCOMPLETE DÉCOLLEMENT RUPTURE IN THE 25 APRIL 2015 GORKHA EARTHQUAKE: IMPLICATIONS FOR POSTSEISMIC PROCESSES
BENDICK, Rebecca1, MENCIN, David2, KNAPPE, Ellen1, UPRETI, Bishal3, AOUDIA, Abdelkarim4, GALETZKA, John5 and BILHAM, Roger6, (1)Department of Geosciences, University of Montana, Missoula, MT 59812, (2)UNAVCO, 6350 Nautilus Dr, Boulder, CO 80301, (3)Department of Geology, Tribhuvan University and NAST, Kathmandu, Nepal, (4)Internationional Centre for Theoretical Physics, Strada Costiera, 11, Trieste, I-34151, Italy, (5)UNAVCO, Boullder, CO 80301, (6)Geological Sciences and CIRES, University of Colorado at Boulder, UCB 399, Boulder, CO 80309-0399, ellen.knappe@umconnect.umt.edu
 
9:35 AM
Discussion and Break
9:50 AM
INTERPRETATION OF PAST AND ONGOING PALEOSEISMIC INVESTIGATIONS ALONG THE HIMALAYAN FRONTAL THRUST IN CONTEXT OF BRIEF FIELD RECONNAISSANCE AFTER THE M7.8 APRIL 25, 2015 GORKHA EARTHQUAKE
WESNOUSKY, Steven G., Center for Neotectonic Studies and Seismological Laboratory, University of Nevada, Reno, MS 169, Reno, NV 89557, ANGSTER, Stephen, Center for Neotectonic Studies and Seismological Laboratory, University of Nevada, 1664 North Virginia St., Reno, NV, PIERCE, Ian, Center for Neotectonics and Seismological Laboratory, University of Nevada, 1664 North Virginia St., Reno, NV, FIELDING, Eric J., Jet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109, CHAMLAGAIN, Deepak, Dept. of Geology, Tribhuvan University, Kathmandu, Nepal, UPRETI, Bishal, Department of Geology, Tribhuvan University and NAST, Kathmandu, Nepal, GAUTAM, Dipendra, Center for Disaster and Climate Change Studies, Kathmandu, Nepal, KUMAHARA, Yasuhiro, Graduate School of Education, Hiroshima University, Hiroshima, Japan and NAKATA, Takashi, Dept. of Geography, Hiroshima University, Hiroshima, wesnousky@unr.edu
10:05 AM
SEGMENTATION OF THE HIMALAYAN ARC – THE EFFECTS OF COLLISION OBLIQUITY ON THE DEVELOPMENT OF ACTIVE FAULTS AND EARTHQUAKE POTENTIAL
TAYLOR, Michael H., Department of Geology, University of Kansas, 1475 Jayhawk Blvd, Lawrence, KS 66045, STYRON, Richard H., Earth Analysis, Seattle, WA 98105 and MURPHY, Michael, Geoscience, University of Houston, 4800 Calhoun, Houston, TX 77204, mht@ku.edu
10:20 AM
STRUCTURAL-KINEMATIC SETTING OF THE 2015 GORKHA, NEPAL EARTHQUAKES: LESSONS FROM A CRITICALLY TAPERED OROGENIC WEDGE
DECELLES, Peter G., Department of Geosciences, University of Arizona, Tucson, AZ 85721, decelles@email.arizona.edu
 
10:35 AM
Discussion
10:40 AM
LANDSLIDE DISTRIBUTION BEFORE AND THE AFTER THE 2015 GORKHA EARTHQUAKES IN CENTRAL NEPAL: RELATIONSHIPS WITH DIP SLOPES AND VILLAGES
OJHA, Tank P., Department of Geosciences, University of Arizona, 1040 E 4th street, Tucson, AZ 85721 and DECELLES, Peter G., Department of Geosciences, University of Arizona, Tucson, AZ 85721, ojha@email.arizona.edu
10:55 AM
COSEISMIC LANDSLIDE HAZARDS AND GEOMORPHIC CONSEQUENCES OF THE MW 7.8 GORKHA EARTHQUAKE, NEPAL
GALLEN, Sean Francis1, CLARK, Marin K.2, NIEMI, Nathan3, LUPKER, Maarten4, GAJUREL, Ananta Prasad5, WEST, A. Joshua6, LOWE, Katherine7 and ROBACK, Kevin7, (1)Geological Institute, ETH Zurich, Sonneggstrasse 5, Zurich, 8092, Switzerland, (2)Geological Sciences, University of Michigan, 2534 C.C. Little Building, 1100 North University Avenue, Ann Arbor, MI 48109, (3)Earth and Environmental Sciences, University of Michigan, Ann Arbor, MI 48109, (4)Geologisches Institut, ETH Zurich, Sonneggstrasse 5, Zurich, 8092, Switzerland, (5)Department of Geology, Tri-Chandra Campus, Tribhuvan University, Kathmandu, 44613, Nepal, (6)Department of Earth Sciences, University of Southern California, Los Angeles, CA 90089, (7)Earth and Environmental Sciences, University of Michigan, 2534 C.C. Little Building, 1100 N. University Ave., Ann Arbor, MI 48109, sean.gallen@erdw.ethz.ch
11:10 AM
LANDSCAPE RESPONSE TO THE MW7.9 GORKHA EARTHQUAKE
ANDERMANN, Christoff1, BEHLING, Robert2, COOK, Kristen Lee3, EMBERSON, Robert3, HOVIUS, Niels3, MARC, Odin3, MOTAGH, Mahdi4, ROESSNER, Sigrid2, SENS-SCHOENFELDER, Christoph2 and TUROWSKI, Jens Martin3, (1)GFZ German Research Centre for Geosciences, Helmholtz Centre Potsdam, Telegrafenberg, Potsdam, 14473, Germany, (2)German Research Centre for Geosciences GFZ, Telegrafenberg, Potsdam, 14473, Germany, (3)Section 5.1 Geomorphology, German Research Centre for Geosciences GFZ, Telegrafenberg, Potsdam, 14473, Germany, (4)Helmholtz Center Potsdam, Potsdam, 14473, Germany, christoff.andermann@gfz-potsdam.de
11:25 AM
GORKHA  EARTHQUAKE 2015, NEPAL: PRESENT KNOWLEDGE AND FUTURE RESEARCH DIRECTION
UPRETI, Bishal Nath, Department of Geology, Tribhuvan University and NAST, Lalitpur, Kathmandu, Nepal, bnupreti@gmail.com
11:40 AM
NEPAL’S SCHOOL EARTHQUAKE SAFETY PROGRAM: PAST ACCOMPLISHMENTS, FUTURE CHALLENGES
ACHARYA, Surya Prasad1, DIXIT, Amod Mani1 and TUCKER, Brian E.2, (1)National Society for Earthquake Technology - Nepal, Kathmandu, KHA 1-646, Nepal, (2)GeoHazards International, 687 Bay Road, Menlo Park, CA 94025, tucker@geohaz.org
 
11:55 AM
Discussion
See more of: Special Session