GSA 2020 Connects Online

Session No. 240
Friday, 30 October 2020: 10:00 AM-2:00 PM

T24. Building the SZ4D Landscapes and Seascapes Theme: Geomorphic Change and Crustal Deformation from the Volcanic Arc, across the Forearc, and to the Trench

GSA Structural Geology and Tectonics Division; GSA Quaternary Geology and Geomorphology Division; GSA Marine and Coastal Geoscience Division; GSA Sedimentary Geology Division; GSA Environmental and Engineering Geology Division

 

Kristin Morell, Karen B. Gran, Juliet G. Crider and Nathan A. Niemi, Advocates
Paper #
Start Time
 
10:00 AM
Introductory Remarks
10:05 AM
WHAT CAN SUBDUCTION MARGIN LAND- AND SEA-SCAPES TELL US ABOUT THE SYSTEM’S PROCESSES AND ENERGY BUDGET?
COOKE, Michele L.1, BRUHAT, Lucile2, CRIDER, Juliet G.3, MALATESTA, Luca C.4, MORELL, Kristin5 and OLIVE, Jean-Arthur L.2, (1)Geosciences, University of Massachusetts Amherst, Amherst, MA 01003-9297, (2)Ecole Normale Supérieure, Paris, France, (3)Earth and Space Sciences, University of Washington, Seattle, WA 98195, (4)GFZ-Potsdam, Potsdam, CA, Germany, (5)Earth Science, University of California, Santa Barbara, Santa Barbara, CA 93106-9630
10:20 AM
BUILDING AND MOVING MOUNTAINS: SUBDUCTION ZONE IMPRINTS ON THE HEIGHTS AND ASYMMETRIES OF CORDILLERAN MOUNTAINS
VAL, Pedro, Departamento de Geologia, Universidade Federal de Ouro Preto, Morro do Cruzeiro s/n - Bauxita, Departamento de Geologia, Ouro Preto, 35400000, Brazil and WILLENBRING, Jane, Department of Geological Sciences, Stanford University, Stanford, CA 94305
10:35 AM
DOES TOPOGRAPHY ALONG THE CASCADIA FOREARC REFLECT PERMANENT DEFORMATION OF NORTH AMERICA?
KIRBY, Eric1, FURLONG, Kevin P.2, VON DASSOW, Wesley3, WORMS, Katherine1, MCKENZIE, Kirsty A.4 and MAHAN, Shannon A.5, (1)College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331, (2)Department of Geosciences, Pennsylvania State University, 542 Deike Building, University Park, PA 16802, (3)Washington Department of Natural Resources, Washington Geological Survey, 1111 Washington St SE, Olympia, WA 98504-7007, (4)Department of Geosciences, Pennsylvania State University, 403 Deike Building, University Park, PA 16802, (5)U.S. Geological Survey, Geosciences and Environmental Change Science Center, Denver, CO 80225
10:50 AM
NEW INSIGHTS INTO THE SOURCE AND EXTENT OF TURBIDITES ACROSS THE SOUTHERN CASCADIA SUBDUCTION MARGIN FROM OFFSHORE HOLOCENE RECORDS IN THE EEL RIVER FOREARC BASIN (Invited Presentation)
NIEMINSKI, Nora M.1, HILL, Jenna C.1, MCGANN, Mary2, WATT, Janet T.1 and BROTHERS, Daniel S.1, (1)U.S. Geological Survey, Pacific Coastal and Marine Science Center, 2885 Mission Street, Santa Cruz, CA 95060, (2)U.S. Geological Survey, Pacific Coastal and Marine Science Center, 345 Middlefield Road, M/S 999, Menlo Park, CA 94025
 
11:05 AM
Discussion
11:20 AM
TRACKS OF TRENCH-PARALLELING, OUTER FOREARC HILLS AND DEPRESSIONS ARE POSITED TO BE ZONES OF SEAFLOOR-EMERGING SPLAY FAULTS AND THE LIKELY SOURCE MECHANISMS FOR THE 1946 ALASKA AND 1957 ALEUTIAN TRANS-OCEANIC TSUNAMIS
SCHOLL, David W., U.S. Geological Survey, Retired Emeritus, Earthquake Science Center, 350 N. Akron Rd, Moffett Field, CA 94035, VON HUENE, Roland, U. S. Geological Survey, retired emeritus, Earthquake Science Center, 350 N. Akron Rd, Moffett Field, CA 94035 and MILLER, John, J., U. S. Geological Survey, Retired Emeritus, Denver Federal Center, MS 939, Denver, CO 80225
11:35 AM
THE MEXICAN SUBDUCTION ZONE - GEOLOGICAL AND HISTORICAL EVIDENCE OF LARGE EARTHQUAKES AND TSUNAMIS (Invited Presentation)
RAMIREZ-HERRERA, Maria Teresa, UNIVERSIDAD NACIONAL AUTONOMA DE MEXICO, LABORATORIO DE TSUNAMIS Y PALEOSISMOLOGIA, UNIVERSIDAD NACIONAL AUTÓNOMA DE MÉXICO, AV. UNIVERSIDAD 3000, COYOACAN, UNAM,, CIUDAD DE MEXICO, DF 04510, Mexico, CORONA, Nestor, COLMICH,, Centro de estudios de Geografía Humana,, MICHOACAN, LA PIEDAD, MH, Mexico, LAGOS, Marcelo, Instituto de Geografía, Pontificia Universidad Católica de Chile, Santiago, 782-0436, Chile, CASTILLO-AJA, Rocío, Depto. de Geografía y Ord. Territorial, CUCSH., Universidad de Guadalajara, GUADALAJARA, JA, Mexico, GOGICHAISHVILI, Avto, INSTITUTO DE GEOFÍSICA, UNAM, MORELIS, MH, Mexico, MACHAIN-CASTILLO, Maria Luisa, ICML, UNAM, Mexico City, Mexico, CABALLERO, Margarita, Instituto de Geofísica, Universidad Nacional Autónoma de México, Ciudad Universitaria, México, 04510, Mexico and ORTUÑO, Maria, Ciencias de la Tierra,, Universidad de Barcelona, BARCELONA, Spain
11:50 AM
REVISITING THE SOURCE MECHANISM OF THE AD 365 EARTHQUAKE CRETE, GREECE, AND IMPLICATIONS FOR EASTERN MEDITERRANEAN TECTONICS (Invited Presentation)
GALLEN, Sean F.1, OTT, Richard2, WEGMANN, Karl W.3, PAZZAGLIA, Frank J.4, BRANDON, Mark T.5, UEDA, Kosuke2 and FASSOULAS, C.6, (1)Department of Geosciences, Colorado State University, Fort Collins, CO 80521, (2)Department of Earth Science, ETH Zurich, Zurich, 8092, Switzerland, (3)Department of Marine, Earth, and Atmospheric Sciences, North Carolina State University, Raleigh, NC 27695, (4)Earth and Environmental Sciences, Lehigh University, 1 West Packer Ave, Bethlehem, PA 18015, (5)Department of Earth and Planetary Sciences, Yale University, New Haven, CT 06520, (6)Natural History Museum of Crete, University of Crete, Heraklion, 71409, Greece
12:05 PM
THE GREATER CAUCASUS MOUNTAINS: A COMPLETE TRANSECT FROM ACTIVE SUBDUCTION TO CONTINENTAL COLLISION IN A SINGLE OROGENIC SYSTEM
NIEMI, Nathan A.1, COWGILL, Eric2 and VASEY, Dylan A.2, (1)Earth and Environmental Sciences, University of Michigan, 1100 North University Avenue, Ann Arbor, MI 48109, (2)Department of Earth & Planetary Sciences, University of California, Davis, One Shields Ave, Davis, CA 95616
 
12:20 PM
Discussion 2
12:35 PM
INFLUENCE OF PULSED MAGMATIC ACTIVITY, LATENT HEAT, AND PARTIAL MELTING ON THE STRENGTH OF THE CONTINENTAL CRUST
RANTANEN, Aleksi M.1, WHIPP, David M.1, HEINONEN, Jussi S.2, KAISLANIEMI, Lars1 and PÜTZ, Miro1, (1)Institute of Seismology, Department of Geosciences and Geography, University of Helsinki, P.O. Box 64 (Gustaf Hällströmin katu 2), Helsinki, FI-00014, Finland, (2)Geology and Geophysics Research Programme (GeoHel), Department of Geosciences and Geography, University of Helsinki, P.O. Box 64 (Gustaf Hällströmin katu 2), Helsinki, FI-00014, Finland
12:45 PM
EVALUATING SPATIAL VARIATIONS IN TOPOGRAPHY AND EROSION RATE ALONG THE CASCADIA FOREARC
WORMS, Katherine1, KIRBY, Eric1, BIERMAN, Paul2, CORBETT, Lee B.2 and JUNGERS, Matthew2, (1)College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331, (2)Department of Geology, University of Vermont, Delehanty Hall, 180 Colchester Ave, Burlington, VT 05405
12:55 PM
QUATERNARY STRATIGRAPHY OF THE EEL RIVER AND VAN DUZEN FLUVIAL SYSTEMS: GEOCHRONOLOGY TO SUPPORT TECTONIC INTERPRETATIONS AND SLIP RATE CALCULATIONS FOR LATE PLEISTOCENE ACTIVE FAULTS
PATTON, Jason R., Conservation, California Geological Survey, 801 K St., Sacramento, CA 95814; Department of Geology, Humboldt State University, 1 Harpst St, Arcata, CA 95521, BOLD, Samuel E., Geology Department, Humboldt State University, 1 Harpst St, Arcata, CA 95521 and MICHALAK, Melanie J., Humboldt State University, 1 Harpst Street, Arcata, CA 95521
1:05 PM
TECTONIC HISTORY AT THE MENDOCINO TRIPLE JUNCTION: QUATERNARY MAPPING OF THE GOOSE LAKE FAULT, VAN DUZEN RIVER TERRACES, AND YAGER CREEK TERRACES, HUMBOLDT COUNTY, CALIFORNIA
BOLD, Samuel E.1, MICHALAK, Melanie J.1, LADINSKY, Tyler C.2, KELSEY, Harvey M.1, PATTON, Jason R.3 and BLISNIUK, Kimberly4, (1)Geology Department, Humboldt State University, 1 Harpst St, Arcata, CA 95521, (2)California Geological Survey, 1900 S. Norfolk St., Suite 300, San Mateo, CA 94403, (3)Conservation, California Geological Survey, 801 K St., Sacramento, CA 95814, (4)Geology Department, San Jose State University, One Washington Square, San Jose, CA 95192-0201
1:15 PM
FEEDING A SUBDUCTION ZONE FROM THE SIDE: NEOGENE SEDIMENT DELIVERY TO AND DISPERSAL ALONG THE ALEUTIAN-ALASKA SUBDUCTION ZONE
JAEGER, John M.1, GULICK, Sean S.P.2, FREDERIK, Marina C.G.2, MOREY, Susannah3, SOMCHAT, Kittipong4 and REECE, Robert S.5, (1)Department of Geological Sciences, University of Florida, 241 Williamson Hall, PO Box 112120, Gainesville, FL 32611, (2)Jackson School of Geosciences, Institute for Geophysics, University of Texas at Austin, 10601 Exploration Way, Austin, TX 78758, (3)Department of Earth and Space Sciences, University of Washington, Seattle, WA 98195, (4)400 Nagle st., Apt 113, College Station, TX 77840, (5)Geology and Geophysics, Texas A&M University, College Station, TX 77843
1:25 PM
CHARACTERIZATION OF BRITTLE AND DUCTILE DEFORMATION ALONG THE BOUNDARY OF THE NORTH ANDEAN SLIVER IN THE NORTHERN CORDILLERA REAL OF ECUADOR
ROSERO, Stalin Alexander, Yachay Tech, Hacienda San José, Urcuquí, 100115, Ecuador and ALMEIDA, Rafael, School of Earth Sciences, Energy and Environment, Yachay Tech, Urcuqui, 100115, Ecuador
1:35 PM
THE INFLUENCE OF SUBDUCTING SEAMOUNTS: VARIATIONS IN ACCRETIONARY PRISM DEFORMATION STYLE ALONG THE NANKAI TROUGH FROM COMBINED OCEAN-BOTTOM SEISMOMETER AND MULTICHANNEL SEISMIC DATA
ALMEIDA, Rafael, School of Earth Sciences, Energy and Environment, Yachay Tech, Urcuqui, 100115, Ecuador and GORSZCZYK, Andrzej, Institute des Sciences de la Terre, Universite Grenoble Alps, 1381 Rue de la Piscine, Grenoble, 38610, France; Institute of Geophysics, Polish Academy of Sciences, 64 Księcia Janusza Str., Warsaw, Poland
 
1:45 PM
Discussion 3
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