GSA Annual Meeting in Seattle, Washington, USA - 2017

Session No. 210
Tuesday, 24 October 2017: 8:00 AM-12:00 PM
Chelan 4 (The Conference Center)

T175. Earthquakes, Faults, and Fault Systems in the Pacific Northwest

Washington Division of Geology and Earth Resources; GSA Structural Geology and Tectonics Division
Timothy J. Walsh and Corina Forson, Advocates
 
8:00 AM
Introductory Remarks
8:05 AM
NO STRAIN LEFT BEHIND: THE PUGET LOWLAND NEOTECTONIC FAULT NETWORK (Invited Presentation)
ANDERSON, Megan L., Geology Department, Colorado College, 14 E. Cache La Poudre St, Colorado Springs, CO 80903, DRAGOVICH, Joe D., Associated Earth Sciences, Inc., 1552 Commerce Street, Suite 102, Tacoma, WA 98402, MAHAN, Shannon A., U.S. Geological Survey, Denver Federal Center, Box 25046, MS 974, Denver, CO 80225, MACDONALD Jr., James H., Florida Gulf Coast University, Dept. of Marine and Ecological Science, Fort Myer, FL 33965, KOGER, Curtis J., Associated Earth Sciences, Inc., 911 5th Ave., Suite 100, Kirkland, WA 98033, CAKIR, Recep, Washington Department of Natural Resources, Washington Division of Geology and Earth Resources, 1111 Washington St SE, MS 47007, Olympia, WA 98504-7007, ALLEN, Mitchell, Washington Department of Natural Resources, Forest Practices Division, 1111 Washington St SE, MS 47007, Olympia, WA 98504-7007, MAVOR, Skyler, Department of Geosciences, Colorado State University, 1401 Campus Delivery, Ft. Collins, CO 80523, BLAKELY, Richard J., GMEG Menlo Park, U.S. Geological Survey, 345 Middlefield Rd, MS 989, Menlo Park, CA 94025 and WELLS, Ray E., U.S. Geological Survey, 2130 SW 5th Ave., Portland, OR 97201, megan.anderson@coloradocollege.edu
8:25 AM
LIDAR DATA, GEOLOGIC MAPPING, AND PALEOSEISMIC TRENCHING REVEAL LATE QUATERNARY FAULT RUPTURES IN THE CASCADIA FOREARC OF SOUTHWESTERN BRITISH COLUMBIA
MORELL, Kristin1, REGALLA, Christine2, AMOS, Colin B.3, BENNETT, Scott E.K.4, GRAHAM, Audrey1, LEONARD, Lucinda J.1, LYNCH, Emerson2 and HARRICHHAUSEN, Nicolas1, (1)School of Earth and Ocean Sciences, University of Victoria, 3800 Finnerty Road, Victoria, BC V8W0A4, Canada, (2)Earth and Environment, Boston University, 685 Commonwealth Ave, Rom 130, Boston, MA 02215, (3)Geology Department, Western Washington University, 516 High St. MS 9080, Bellingham, WA 98225, (4)U.S. Geological Survey, Geology, Minerals, Energy, and Geophysics Science Center, 345 Middlefield Road, Menlo Park, CA 94025, kmorell@uvic.ca
8:40 AM
THE DEVILS MOUNTAIN FAULT ZONE: AN ACTIVE FAULT AND FOLD BELT OF THE PACIFIC NORTHWEST OF NORTH AMERICA
BARRIE, Vaughn, Geological Survey of Canada, Natural Resources Canada, Sidney, BC V8L 4B2, Canada; Geological Survey of Canada, Natural Resources Canada, PO Box 6000, Sidney, BC V8L 4B2, Canada and GREENE, H. Gary, Moss Landing Marine Labs, Tombolo-Center for Habitat Studies, 142 Anchor Rock Lane, Eastsound, WA 98245, vaughn.barrie@canada.ca
8:55 AM
THE CASCADIA CREEPING SECTION: STRUCTURAL EVIDENCE FOR HETEROGENEOUS PLATE COUPLING AND LINKAGES TO GEODESY AND PALEOSEISMOLOGY
GOLDFINGER, Chris, College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Ocean Admin Bldg 104, Corvallis, OR 97331, gold@coas.oregonstate.edu
Handouts
  • Goldfinger 0855_210-4.pdf (6.0 MB)
  • 9:10 AM
    3-D SIMULATIONS OF M9 EARTHQUAKES ON THE CASCADIA MEGATHRUST: KEY PARAMETERS AND CONSTRAINTS FROM PALEOSEISMIC EVIDENCE
    WIRTH, Erin, Earth & Space Sciences, University of Washington, Seattle, WA 98105, FRANKEL, Arthur D., U.S. Geological Survey, University of Washington, Box 351310, Seattle, WA 98195, VIDALE, John E., Southern California Earthquake Center, University of Southern California, Los Angeles, CA 90007, MARAFI, Nasser, Civil and Environmental Engineering, University of Washington, Seattle, WA 98105 and STEPHENSON, William J., U.S. Geol Survey, Box 25046 MS-966, Denver, CO 80225, ewirth@uw.edu
     
    9:25 AM
    Break
    9:40 AM
    LATE QUATERNARY EARTHQUAKES ON THE CANYON RIVER FAULT, OLYMPIC MOUNTAINS, WASHINGTON: LINKING ACTIVE FAULTS IN THE PUGET LOWLAND TO OFFSHORE CASCADIA (Invited Presentation)
    BENNETT, Scott E.K.1, REID, Mattie M.2, DELANO, Jamie3, SCHARER, Katherine M.4, KELSEY, Harvey M., III5, MCPHILLIPS, Devin6, SHERROD, Brian L.7, STREIG, Ashley R.8, HORNSBY, Kristofer T.8, MARTIN, Gregory8 and MAHAN, Shannon A.9, (1)U.S. Geological Survey, Geology, Minerals, Energy, and Geophysics Science Center, 345 Middlefield Road, Menlo Park, CA 94025, (2)Earth & Environmental Sciences Department, University of Iowa, Trowbridge Hall, North Capitol Street, Iowa City, IA 52242, (3)U.S. Geological Survey, Geologic Hazards Science Center, 1711 Illinois Ave., Golden, CO 80401, (4)U.S. Geological Survey, Earthquake Science Center, 525 South Wilson Ave, Pasadena, CA 91106, (5)Department of Geology, Humboldt State University, Arcata, CA 95521, (6)U.S. Geological Survey, 525 South Wilson Ave, Pasadena, CA 91106, (7)Earthquake Science Center, U.S. Geological Survey, University of Washington, Box 351310, Seattle, WA 98195, (8)Department of Geology, Portland State University, PO Box 751, Portland, OR 97207-0751, (9)U.S. Geological Survey, Denver Federal Center, Box 25046, MS 974, Denver, CO 80225, sekbennett@usgs.gov
    10:00 AM
    FINDING FAULTS ALONG HOOD CANAL: FIELD-BASED INSIGHTS FROM FIVE YEARS OF GEOLOGIC MAPPING
    CONTRERAS, Trevor A.1, LEGORRETA PAULIN, Gabriel2, PATTON, Annette I.3, WEEKS, Sarah A.4, STONE, Kimberly A.5, SPANGLER, Eleanor6, FUSSO, Logan A.7 and POLENZ, Michael1, (1)Washington Geological Survey, WA Dept. of Natural Resources, 1111 Washington St SE, MS 47007, Olympia, WA 98504-7007, (2)Departamento de Geografía Física, Universidad Nacional Autónoma de México, Av. Universidad # 3000, Col. UNAM, C.U., Del. Coyoacán, C.P. 04510, Cd. Mex. UNA290722 7Y1, Mexico city, 04510, Mexico, (3)Geosciences, Colorado State University, 1401 Campus Delivery, Fort Collins, CO 80523, (4)Port of Tacoma, Environmental, P.O. Box 1837, Tacoma, WA 98401, (5)David Evans and Associates, Inc., 2106 Pacific Ave., Suite 400, Tacoma, WA 98402, (6)California Geological Survey, Seismic Hazards Assessment and Zonation Program, 801 K Street, MS 12-31, Sacramento, CA 95814, (7)El Museo del Meteorito, San Pedro de Atacama, 00000, Chile, trevor.contreras@dnr.wa.gov
    10:15 AM
    LACUSTRINE PALEOSEISMOLOGY FROM LAKE CRESCENT CONFIRMS MULTIPLE HOLOCENE RUPTURES OF THE LAKE CREEK – BOUNDARY CREEK FAULT ZONE IN RESPONSE TO NORTHWARD CONVERGENCE AND CLOCKWISE ROTATION OF THE NORTHERN OLYMPIC PENINSULA, WASHINGTON
    WEGMANN, Karl W.1, LEITHOLD, Elana L.2, BOHNENSTIEHL, DelWayne R.2, JOYNER, Catelyn2 and POLLEN, Audrianna F.2, (1)Department of Marine, Earth, and Atmospheric Sciences, North Carolina State University, Campus Box 8208, Raleigh, NC 27695, (2)Department of Marine, Earth, and Atmospheric Sciences, North Carolina State University, Raleigh, NC 27695, karl_wegmann@ncsu.edu
    10:30 AM
    FROM GRAVITY ANOMALIES TO GRADED STREAMS: ASSESSING EARTHQUAKE HAZARDS IN CENTRAL WASHINGTON STATE WITH GEOPHYSICAL, GEOLOGIC, AND GEOMORPHIC CONSTRAINTS
    STAISCH, Lydia M., Geology, Minerals, Energy, and Geophysics Science Center, U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 98195-94025; Earthquake Science Center, U.S. Geological Survey, University of Washington, Box 351310, Seattle, WA 98195, KELSEY, Harvey, Department of Geology, Humboldt State University, 1 Harpst Street, Arcata, CA 95521, SHERROD, Brian L., Earthquake Science Center, U.S. Geological Survey, University of Washington, Box 351310, Seattle, WA 98195, BLAKELY, Richard J., GMEG Menlo Park, U.S. Geological Survey, 345 Middlefield Rd, MS 989, Menlo Park, CA 94025 and STYRON, Richard H., Earth Analysis, Seattle, WA 98105; GEM Foundation, Pavia, Italy, lstaisch@usgs.gov
    10:45 AM
    EVIDENCE FAVORING AN EPICENTER NEAR ENTIAT FOR THE LARGE DECEMBER 1872 WASHINGTON STATE EARTHQUAKE
    BROCHER, Thomas M., U.S. Geological Survey, Earthquake Science Center, 345 Middlefield Road, MS 977, Menlo Park, CA 94025, brocher@usgs.gov
    11:00 AM
    INCIDENTAL DISCOVERY OF YOUNG FAULT FEATURES IN OREGON LIDAR CONSORTIUM LIDAR DATA (Invited Presentation)
    MADIN, Ian P., Oregon Department of Geology and Mineral Industries, 800 NE Oregon St. #28 Suite 965, Portland, OR 97232 and BURNS, William J., Oregon Department of Geology and Mineral Industries, Oregon Department of Geology and Mineral Industries, 800 NE Oregon Street #28, Suite 965, Portland, OR 97232, ian.madin@oregon.gov
    11:20 AM
    POSTGLACIAL FAULTING NEAR CRATER LAKE, OREGON
    BACON, Charles R. and ROBINSON, Joel E., USGS, Volcano Science Center, 345 Middlefield Rd, Menlo Park, CA 94025, cbacon@usgs.gov
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