2009 Portland GSA Annual Meeting (18-21 October 2009)

Session No. 154
Tuesday, 20 October 2009: 8:00 AM-12:00 PM
A107/108/109 (Oregon Convention Center)

T61. Paleogeodesy at Subduction Zones

GSA Structural Geology and Tectonics Division; GSA Geophysics Division

 

Andrea D. Hawkes, Aron J. Meltzner and Alan R. Nelson, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
1
8:05 AM
PUSHING THE FRONTIER OF RELATIVE SEA LEVEL STUDIES AND PALEOSEISMOLOGY
SHENNAN, Ian and BARLOW, Natasha, Sea Level Research Unit, Department of Geography, Durham University, Durham, DH1 3LE, United Kingdom, ian.shennan@durham.ac.uk, ian.shennan@durham.ac.uk
2
8:25 AM
RELATIVE SEA-LEVEL CHANGE DURING THE LAST FEW HUNDREDS YEARS AT DISCOVERY BAY, WASHINGTON STATE
SAWAI, Yuki, Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST), Higashi 1-1-1 C7, Tsukuba, 305-8567, Japan, yuki.sawai@aist.go.jp, yuki.sawai@aist.go.jp
3
8:40 AM
EVIDENCE OF AN EARLY HOLOCENE PRECURSOR TO THE 2004 SUMATRA-ANDAMAN EARTHQUAKE
GRAND PRE, Candace A., Department of Earth and Environmental Science, University of Pennsylvania, Philadelphia, PA 19104, HORTON, Benjamin P., Earth and Environmental Science, University of Pensylvania, 240 South 33rd Street, Philadelphia, PA 19104, KELSEY III, Harvey M., Department of Geology, Humboldt State University, Arcata, CA 95521, RUBIN, Charles, Department of Geological Sciences, Central Washington Univ, Ellensburg, WA 98926, HAWKES, Andrea D., Geography and Geology, University of North Carolina Wilmington, Wilmington, NC 02543, DARYONO, Mudrik R., Indonesian Institute of the Sciences - LIPI, Bandung, 40135, Indonesia, YULIANTO, Eko, Puslit Geoteknologi, LIPI, Komplek LIPI Gd.70 Sangkuriang, Bandung, 40135, Indonesia and NATAWIDJAJA, Danny, Puslit Geoteknologi, Indonesian Institute of Sciences - LIPI, Bandung, 40135, Indonesia, grandpre@sas.upenn.edu, grandpre@sas.upenn.edu
4
8:55 AM
FRAGMENTARY EVIDENCE OF PREHISTORIC GREAT-EARTHQUAKE SUBSIDENCE IN THE REGION OF THE M9.5 CHILEAN EARTHQUAKE OF 1960
NELSON, Alan R., Geologic Hazards Science Center, U.S. Geological Survey, 1711 Illinois St, Golden, CO 80401, anelson@usgs.gov, anelson@usgs.gov
5
9:10 AM
PRESENT AND PAST LAND-LEVEL CHANGES AT GUAFO ISLAND, CHILE (43.5°S): TRANSIENT ACCUMULATION OF PERMANENT STRAIN OVER THE SEISMIC CYCLE
MELNICK, Daniel, Institute of Geosciences, University of Potsdam, Potsdam, 14476, Germany, CISTERNAS, Marco, Escuela de Ciencias del Mar, Universidad Católica de Valparaiso, Valparaiso, Valparaiso 1, Chile, WESSON, Robert L., U.S. Geological Survey, Denver, CO 80225, MORENO, Marcos, GFZ-Potsdam, Potsdam, 14473, Germany and LAGOS, Marcelo, Instituto de Geografía, Universidad Católica de Chile, Santiago, 782-0436, Chile, rwesson@wispertel.net, rwesson@wispertel.net
6
9:25 AM
OBSERVING COSEISMIC AND INTERSEISMIC DEFORMATION: WHAT MODELERS KNOW AND DON'T KNOW
WANG, Kelin, Geological Survey of Canada, Pacific Geoscience Centre, 9860 West Saanich Road, Sidney, BC V8L 4B2, Canada, kwang@nrcan.gc.ca, kwang@nrcan.gc.ca
 
9:45 AM
Discussion
 
9:55 AM
Break
7
10:10 AM
VERTICAL PALEOGEODETIC CONSTRAINTS ON MEGATHRUST RUPTURE IN GREAT EARTHQUAKES AT THE CASCADIA SUBDUCTION ZONE
LEONARD, Lucinda J.1, CURRIE, Claire A.2, MAZZOTTI, Stephane1 and HYNDMAN, Roy D.3, (1)Pacific Geoscience Centre, Geological Survey of Canada, Sidney, BC V8L 4B2, Canada, (2)Department of Physics, University of Alberta, Edmonton, AB T6G 2G7, Canada, (3)Pacific Geoscience Centre, Geological Survey of Canada, 9860 W. Saanich, Sidney, BC V8L 4B2, Canada, lleonard@nrcan.gc.ca, lleonard@nrcan.gc.ca
8
10:25 AM
7.5 KA EARTHQUAKE RECURRENCE HISTORY IN THE REGION OF THE 2004 SUMATRA-ANDAMAN EARTHQUAKE
PATTON, Jason R.1, GOLDFINGER, Chris2, MOREY, Ann3, ERHARDT, Morgan3, BLACK, Bran3, GARRETT, Amy M.3, DJADJADIHARDJA, Yusuf4 and HANIFA, Udrekh4, (1)College of Oceanic and Atmospheric Sciences, Oregon State University, 104 COAS Admin Bldg, Corvallis, OR 97331, (2)COAS, Oregon State University, Corvallis, OR 97331, (3)COAS, Oregon State University, 104 COAS Admin Bldg, Corvallis, OR 97331, (4)Bandan Penghajian Dan Penerapan Teknologi (BPPT), BPPT 2nd Building, 19th Floor, Jl.MH.Thamrin 8, Jakarta, 10340, Indonesia, jpatton@coas.oregonstate.edu, jpatton@coas.oregonstate.edu
9
10:40 AM
THE ORIGINS OF CORAL GEODESY AND PALEOGEODESY AND INVESTIGATION OF CONVERGENT MARGIN TECTONIC PROCESSES
TAYLOR, Frederick W., Institute for Geophysics- Jackson School of Geosciences, University of Texas at Austin, Pickle Research Campus, 10100 Burnet Rd. (Bldg 196), Austin, TX 78758-4445, fred@ig.utexas.edu, fred@ig.utexas.edu
10
11:00 AM
PALEOGEODESY FROM CORALS IN MEGATHRUST TECTONIC SETTINGS
BRIGGS, Richard W., Geologic Hazards Science Center, U.S. Geological Survey, 1711 Illinois St., Golden, CO 80401, rbriggs@usgs.gov, rbriggs@usgs.gov
11
11:15 AM
USING CORAL GEODESY TO INVESTIGATE THE SEISMIC CYCLE IN THE BANYAK ISLANDS, INDONESIA
PHILIBOSIAN, Belle E.1, MELTZNER, Aron J.2, SIEH, Kerry3, SUWARGADI, Bambang W.4, NATAWIDJAJA, Danny H.4, GENRICH, Joachim1, PRAYUDI, Dudi4, SUPRIHANTO, Imam4 and GALETZKA, John1, (1)Tectonics Observatory, California Institute of Technology, Pasadena, CA 91125, (2)Earth Observatory of Singapore, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore, (3)Earth Observatory of Singapore, Nanyang Technological University, Singapore, 639646, Singapore, (4)Puslit Geoteknologi, Indonesian Institute of Sciences - LIPI, Bandung, 40135, Indonesia, belle@gps.caltech.edu, belle@gps.caltech.edu
12
11:30 AM
CORAL MICROATOLL PALEOGEODESY ON SIMEULUE ISLAND, SUMATRA, REVEALS EARTHQUAKE CLUSTERS AND PERSISTENT RUPTURE SEGMENTATION
MELTZNER, Aron J.1, SIEH, Kerry2, CHIANG, Hong-Wei3, SHEN, Chuan-Chou3, PHILIBOSIAN, Belle E.1, SUWARGADI, Bambang W.4 and NATAWIDJAJA, Danny H.4, (1)Tectonics Observatory, California Institute of Technology, Pasadena, CA 91125, (2)Earth Observatory of Singapore, Nanyang Technological University, Singapore, 639646, Singapore, (3)Department of Geosciences, National Taiwan University, Taipei, 106, Taiwan, (4)LabEarth, Geoteknologi LIPI, Bandung, 40135, Indonesia, meltzner@gps.caltech.edu, meltzner@gps.caltech.edu
 
11:45 AM
Discussion and Concluding Remarks
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