Session: Cordilleran Subduction Zones: Dynamics of Plate Deformation from Megathrust to Mountain Building (GSA Connects 2021 in Portland, Oregon)

Session No. 64

Monday, 11 October 2021: 8:00 AM-12:00 PM

Oregon Ballroom 202/203/204 (Hybrid Room) (Oregon Convention Center)

P2. Cordilleran Subduction Zones: Dynamics of Plate Deformation from Megathrust to Mountain Building

GSA International; GSA Geophysics and Geodynamics Division; GSA Quaternary Geology and Geomorphology Division; GSA Structural Geology and Tectonics Division; GSA Marine and Coastal Geoscience Division

Eric Kirby, Daniel Stockli and Kevin Furlong, Conveners

Paper #

Start Time

8:00 AM

Introductory Remarks

64-1

8:10 AM

DEFORMATION PROCESSES ALONG THE ALASKA-ALEUTIAN CONVERGENT MARGIN

ELLIOTT, Julie, Department of Earth and Environmental Sciences, Michigan State University, 288 Farm Lane, East Lansing, MI 48824

64-2

8:30 AM

PERMANENT DEFORMATION AND RELIEF CONSTRUCTION AT SUBDUCTION FOREARCS

ARON, Felipe, Research Center for integrated Disaster Risk Management (CIGIDEN) - Ingeniería Estructural y Geotécnica, Pontificia Universidad Católica de Chile, Vicuña Mackenna 4860, Santiago, 7820436, Chile

64-3

8:50 AM

TECTONIC UPLIFT SPATIAL VARIABILITY AND SUBDUCTING PLATE EFFECTS ON THE GUERRERO FOREARC, MEXICO

RAMÍREZ-HERRERA, María-Teresa, Coyoacan, UNAM, Av. Universidad 3000, Col. UNAM, C.U., Ciudad de México, Coyoacan 04510, MEXICO, GAIDZIK, Krzysztof, Institute of Earth Sciences,, University of Silesia,, Sosnowiec, Poland and FORMAN, Steven L., Department of Geosciences, Baylor University, One Bear Place #97354, Waco, TX 76706

Recorded Presentation

64-4

9:10 AM

STRATIGRAPHIC RECORD OF OCEANIC PLATEAU COLLISION AND FOREARC INITIATION IN CENTRAL AND NORTHERN ECUADOR

ALMEIDA, Rafael, MARTIN-MERINO, German, VAZQUEZ, Yaniel and CARRILLO, Emilio, School of Earth Science, Energy and Environment, Yachay Tech University, Salvador Elias, Urcuqui, 100650, ECUADOR

9:30 AM

Panel Discussion

9:45 AM

Break

64-5

10:00 AM

EXAMINING CORDILLERAN SUBDUCTION ZONE MEGATHRUST SLIP HETEROGENEITY ACROSS MAGNITUDE SCALES

BILEK, Susan, Department of Earth and Environmental Science, New Mexico Tech, 801 Leroy Place, Socorro, NM 87801 and MORTON, Emily, Nevada Seismological Lab, University of Nevada Reno, Reno, NV 89557

Recorded Presentation

64-6

10:20 AM

LONG-TERM SEISMIC MONITORING CAPABILITIES IN CHILE

BARRIENTOS, Sergio, National Seismological Center, University of Chile, Blanco Encalada 2002, Santiago, 8370449, Chile

Recorded Presentation

64-7

10:40 AM

SEISMIC AND ASEISMIC SLIP BEHAVIOR ALONG CHILEAN SUBDUCTION

RUIZ, Sergio, Geophysics, University of Chile, Santiago, 8370449, Chile

Recorded Presentation

64-8

11:00 AM

THE COMPLEX GEOMETRY OF COCOS UNDER MEXICO: OVERVIEW

PÉREZ-CAMPOS, Xyoli, Department of Seismology, Instituto de Geofísica, Universidad Nacional Autónoma de México, Circuito de la Investigación s/n, Ciudad Universitaria, Mexico City, DF 04510, Mexico

Recorded Presentation

64-9

11:20 AM

WHAT LOCKS SUBDUCTION THRUSTS?

ROWE, Christie D., McGill UniversityEarth and Planetary S, 3450 University St, Montréal, QC H3A 0E8, CANADA

Recorded Presentation

11:40 AM

Panel Discussion

Recorded Presentation

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