T055
Geophysical, Mechanical, and Geologic Constraints on the Subduction Interface II

Wednesday, 16 December 2020: 05:30-06:30
Virtual
Primary Convener:  Helen A Janiszewski, University of Hawaii at Manoa, Earth Sciences, Honolulu, HI, United States
Conveners:  Cailey Brown Condit, University of Washington, Seattle, WA, United States, Noel M Bartlow, University of California Berkeley, Berkeley, CA, United States and Melodie E French, Rice University, Houston, TX, United States
Primary Liaison:  Helen A Janiszewski, University of Hawaii at Manoa, Earth Sciences, Honolulu, HI, United States
Chairs:  Cailey Brown Condit, University of Washington, Seattle, WA, United States, Noel M Bartlow, University of Missouri, Columbia, MO, United States and Melodie E French, Rice University, Houston, TX, United States
OSPA Liaison:  Cailey Brown Condit, University of Washington, Seattle, WA, United States
05:30
T055-01
Strain localisation on the shallow subduction interface (679484)
Zoe Braden, ETH Zurich, Department of Earth Sciences, Zurich, Switzerland and Whitney M Behr, Structural Geology and Tectonics Group, Geological institute, ETH Zurich, Zurich, Switzerland
05:34
T055-02
Role of Fluid Flow, Silica Kinetics, and Fault Zone Strengthening in Slip Behavior within the Seismogenic zone (712263)
Donald M Fisher and John N Hooker, Pennsylvania State University, Department of Geosciences, University Park, PA, United States
05:38
T055-03
High- and Low-stress Subduction Zones Recognized in the Rock Record (732398)
Simon Richard Wallis, University of Tokyo, Bunkyo-ku, Japan and Kazuhiko Ishii, Osaka Prefecture Univ, Sakai, Japan
05:42
T055-04
Crust and Uppermost Mantle Structure of the Alaska Subduction Zone from Joint Inversion of Rayleigh Wave Dispersion and Receiver Functions (746611)
Zongshan Li1, Douglas Wiens1 and Weisen Shen2, (1)Washington University in St Louis, St. Louis, MO, United States, (2)Stony Brook University, Syosset, United States
05:46
T055-05
Evidence for fluids at the shallow Hikurangi Margin, New Zealand, imaged by offshore seismic attenuation (Invited) (672929)
Jenny Nakai, University of New Mexico Main Campus, Department of Earth and Planetary Sciences, Albuquerque, NM, United States, Anne Sheehan, University of Colorado at Boulder, Department of Geological Sciences and Cooperative Institute for Research in Environmental Sciences (CIRES), Boulder, CO, United States, Rachel E Abercrombie, Boston University, Boston, MA, United States and Donna Eberhart-Phillips, University of California Davis, Earth and Planetary Science, Davis, CA, United States
05:50
T055-06
Subducting topography generates upper plate porosity that promotes slow slip at the Hikurangi Margin, New Zealand (754551)
Christine J Chesley1, Samer Naif2 and Kerry Key1, (1)Lamont-Doherty Earth Observatory, Palisades, NY, United States, (2)Georgia Institute of Technology, Atlanta, GA, United States
05:54
T055-07
Probing the Southern Cascadia Plate Interface with a Dense Amphibious Seismic Array (683928)
Travis Alongi1, Susan Y Schwartz2, Heather R Shaddox1 and David Small3, (1)University of California Santa Cruz, Earth and Planetary Sciences, Santa Cruz, CA, United States, (2)University of California-Santa Cruz, Santa Cruz, CA, United States, (3)University of Oregon, Eugene, OR, United States
05:58
T055-08
3D forearc crustal structure in the vicinity of the 2014 Iquique earthquake sequence (734450)
Anne M Trehu1, Kathy K Davenport1, Emma K Myers2, McKenzie Meyer1 and PICTURES working group, (1)Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States, (2)University of Washington, Earth and Space Sciences, Seattle, WA, United States
06:02
Discussion
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