Session No. 46 Wednesday, May 15, 2002

1:30 PM-5:30 PM, CH2M Hill Alumni Center: Ballroom 110A
T14. Active Tectonics of Cascadia: Deformation in the North America Plate
Ray Weldon and Patricia McCrory, Presiding
Start Time
1:30 PM QUATERNARY CRUSTAL FAULTS IN THE CASCADIA FOREARC—TOWARD QUANTIFYING STRAIN BUDGETS: MCCRORY, Patricia A., U S Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, pmccrory@usgs.gov.
1:50 PM NEW MAP OF ACTIVE FAULTS IN CENTRAL AND EASTERN OREGON: WELDON, Ray J., FLETCHER, Dennis, SCHARER, Katherine M., and WELDON, Elise M., Geological Sciences, Univ of Oregon, Eugene, OR 97403, ray@newberry.uoregon.edu
2:10 PM EARTHQUAKES IN VIDA, OREGON, AND THE TRANSITION FROM COMPRESSIONAL TO EXTENSIONAL STRESS REGIMES IN THE PACIFIC NORTHWEST: PERRY, Suzanne, Southern California Earthquake Ctr, USGS, 525 South Wilson Avenue, Pasadena, CA 91106, perry@gps.caltech.edu and WELDON, Ray, Univ of Oregon, Eugene, OR 97403
2:30 PM FATE OF THE EASTERN CALIFORNIA SHEAR ZONE AT THE CASCADIA MARGIN AND ENTRAINMENT OF THE CASCADIA FORE-ARC IN OBLIQUE SUBDUCTION: MILLER, M. Meghan, Central Washington Univ, 400 E 8th Ave, Ellensburg, WA 98926-7418, meghan@geology.cwu.edu and JOHNSON, Daniel J., 3616 NE 97th St, Seattle, WA 98115-2562
2:45 PM INTRAPLATE EARTHQUAKE POTENTIAL IN THE CASCADIA SUBDUCTION ZONE BENEATH WESTERN OREGON: WONG, Ivan G., Seismic Hazards Group, URS Corporation, 500 12th St, Suite 200, Oakland, CA 94607, ivan_wong@urscorp.com.
3:00 PM FOLDING AND RUPTURE OF AN UPLIFTED HOLOCENE MARINE PLATFORM IN THE SEATTLE FAULT ZONE, WASHINGTON, REVEALED BY AIRBORNE LASER SWATH MAPPING: HARDING, David J., Geodynamics Branch, NASA's Goddard Space Flight Ctr, Mail Code 921, Greenbelt, MD 20771, harding@core2.gsfc.nasa.gov, JOHNSON, Sam Y., USGS, MS 966, Box 25046, Denver, CO 80225, and HAUGERUD, Ralph A., USGS, Box 25046, Dept. of Geological Sciences, University of Washington, Seattle, WA 98195
3:20 PM SEISMICITY AND STRUCTURE OF THE COLUMBIA BASIN: PRELIMINARY CORRELATIONS: MINER, Andrew M., Dept. of Geologic Sciences, Central Washington Univ, 400 E. 8th Ave, Ellensburg, WA 98926, minera@geology.cwu.edu.
3:35 PM THE CANBY-MOLALLA FAULT, OREGON: BLAKELY, Richard J., MS 989, U.S. Geol Survey, 345 Middlefield Rd, Menlo Park, CA 94025, blakely@usgs.gov, MADIN, Ian P., Oregon Department of Geology and Mineral Industries, 800 NE Oregon Street #28, Suite 965, Portland, OR 97232, STEPHENSON, William J., U.S. Geological Survey, Box 25046, MS 966, Denver, CO 80225, and POPOWSKI, Thomas, Northwest Geophysical Associates, Inc, 1600 Western Blvd, Corvallis, OR 97333
3:50 PM SEISMOGENIC LANDSLIDE MODIFICATION OF FAULT SCARPS, SUMMER LAKE BASIN, LAKE COUNTY, OREGON: BADGER, Thomas C., WA State Dept. of Transportation, P.O. Box 47365, Olympia, WA 98504-7365, badgert@wsdot.wa.gov and WATTERS, Robert J., Department of Geological Sciences, Univ of Nevada, Reno, NV 89557
4:05 PM CRUSTAL DEFORMATION NEAR THE MENDOCINO TRIPLE JUNCTION: MURRAY, Mark H., Seismological Laboratory, Univ of California, 215 McCone Hall, Berkeley, CA 94720-4760, mhmurray@seismo.berkeley.edu.
4:25 PM APPLYING GIS-BASED RESIDUAL CONTOURING TO LANDSCAPE EVOLUTION STUDIES IN THE MENDOCINO TRIPLE JUNCTION AND SOUTHERN CASCADIA FOREARC REGIONS, NORTHERN CALIFORNIA: STALLMAN, Jay D., Department of Geology, Humboldt State Univ, Arcata, CA 95521, jay@stillwatersci.com and ANDRAS, Kevin T., Department of Geology, Humboldt State Univ, Arcata, 95521
4:40 PM QUATERNARY STRAIN DISTRIBUTION ON THE ONSHORE PORTION OF THE FOLD AND THRUST BELT AT THE SOUTHERN END OF THE CASCADIA SUBDUCTION ZONE: CARVER, Gary A., Dept. of Geology, Humboldt State Univ, PO Box 52, Kodiak, AK 99615, wooak@ptialaska.net, BURKE, Raymond M., Dept. Geology, Humboldt State Univ, Arcata, CA 95521, and SAUBER, Jeanne, Laboratory for Terrestrial Physics, NASA’s Goddard Space Flight Ctr, Greenbelt, MD 20771
5:00 PM STRIKE-SLIP MOTION ON THE NORTHERN CONTINUATION OF THE LATE CENOZOIC TO QUATERNARY HONEY LAKE FAULT ZONE, EAGLE LAKE, NORTHEAST CALIFORNIA: COLIE, Erin M., ROESKE, Sarah, and MCCLAIN, James, Geology and Geophysics, Univ of California, Davis, 174 Physics/Geology Building, One Shields Avenue, Davis, CA 95616, colie@geology.ucdavis.edu

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