T31D:
Subduction Top to Bottom (ST2B-2) II Posters

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Session ID#: 16061

Session Description:
From top-to-bottom, many geological, geophysical, petrologic/geochemical, and theoretical advances have been made toward understanding subduction zone processes and dynamics since AGU Geophysical Monograph “Subduction Top to Bottom” was published 20 years ago. This session and a related themed issue in GEOSPHERE are intended to revisit the issues that were explored in the 1996 publication and re-assess them in light of recent advancements as well as explore new discoveries and advances in subduction zone research. We invite the broadest possible range of contributions, including subduction-related hazards (volcanic eruptions, earthquakes and tsunamis) and resources.
Primary Convener:  Gray E Bebout, Lehigh University, Dept. Earth and Environmental Sciences, Bethlehem, PA, United States
Conveners:  Robert J Stern, University of Texas at Dallas, Geosciences, Richardson, TX, United States, Philippe Agard, Sorbonne Université, CNRS-INSU, Institut des Sciences de la Terre Paris, ISTeP, Paris, France and Laura M Wallace, University of Texas, Institute for Geophysics, Austin, United States
Chairs:  Laura M Wallace, University of Texas, Institute for Geophysics, Austin, United States, Philippe Agard, Sorbonne Université, CNRS-INSU, Institut des Sciences de la Terre Paris, ISTeP, Paris, France and Robert J Stern, University of Texas at Dallas, Geosciences, Richardson, TX, United States
OSPA Liaison:  Laura M Wallace, University of Texas, Institute for Geophysics, Austin, United States

Cross-Listed:
  • DI - Study of the Earth's Deep Interior
  • MR - Mineral and Rock Physics
  • S - Seismology
  • V - Volcanology, Geochemistry and Petrology
Index Terms:

1031 Subduction zone processes [GEOCHEMISTRY]
7240 Subduction zones [SEISMOLOGY]
8104 Continental margins: convergent [TECTONOPHYSICS]
8413 Subduction zone processes [VOLCANOLOGY]

Abstracts Submitted to this Session:

Seismic Imaging of the southern Rivera Plate and Jalisco Block Subduction Zone (124301)
Diana Núñez, Universidad de Guadalajara, SisVOc, Puerto Vallarta, Mexico, Francisco J Nuñez-Cornu, Universidad de Guadalajara, SisVOc, Guadalajara, Mexico, Diego Córdoba Barba Sr, Complutense University of Madrid, Fac. Ciencias Fisicas, Madrid, Spain, Antonio Gonzalez-Fernandez, CICESE National Center for Scientific Research and Higher Education of Mexico, Geology, Ensenada, Mexico, Quiriat Jearim Gutierrez, University of Guadalajara, Puerto Vallarta, Mexico, Juan Luis Carrillo de la Cruz, University of Guadalajara, Guadalajara, Mexico, Prof. Juanjo Danobeitia, EMSO ERIC, CMO, Rome, Italy and Rafael Bartolome, ICM-CSIC, Barcelona-CSI, Geosciences, Barcelona, Spain
Analysis of the Seismicity Associated to the Subduction of the Rivera Plate using OBS and Onland Stations. (124306)
Francisco J Nuñez-Cornu1, Diego Córdoba Barba Sr2, Prof. Juanjo Danobeitia3, William Lee Bandy4, Araceli Zamora-Camacho1, Victor Hugo Marquez-Ramirez1, Marc Ambros5, Adan Gomez1, Juan Manuel Sandoval6 and Carlos A Mortera-Gutierrez4, (1)Universidad de Guadalajara, Centro de Sismología y Volcanología de Occidente, Puerto Vallarta, Mexico, (2)Complutense University of Madrid, Fac. Ciencias Fisicas, Madrid, Spain, (3)EMSO ERIC, CMO, Rome, Italy, (4)Universidad Nacional Autonoma de Mexico, Instituto de Geofisica, Mexico City, Mexico, (5)Spanish National Research Council, Zaragoza, Spain, (6)Universidad de Guadalajara, SisVOc, Puerto Vallarta, Mexico
1D seismological structure imaging of Caroline plate using wave-equation based techniques (126207)
Nobuaki Fuji1, Hyoihn Jang2, Kensuke Konishi3, Younghee Kim4 and Sang-Mook Lee4, (1)Université de Paris, Institut de physique du globe de Paris, Paris, France, (2)Seoul National University, Seoul, Korea, Republic of (South), (3)Academia Sinica, Taipei, Taiwan, (4)Seoul National University, School of Earth and Environmental Sciences, Seoul, Korea, Republic of (South)
Bathymetry, Crustal Imaging and Tectonics in the South of Islas Marias (Nayarit, Mexico) (126438)
Juan Luis Carrillo de la Cruz, University of Guadalajara, Guadalajara, Mexico, Diana Núñez, Universidad de Guadalajara, SisVOc, Puerto Vallarta, Mexico, Francisco J Nuñez-Cornu, Universidad de Guadalajara, SisVOc, Guadalajara, Mexico, Diego Córdoba Barba Sr, Complutense University of Madrid, Fac. Ciencias Fisicas, Madrid, Spain, Antonio Gonzalez-Fernandez, CICESE National Center for Scientific Research and Higher Education of Mexico, Geology, Ensenada, Mexico, Felipe Escalona, SisVOc, Puerto Vallarta, Mexico and Prof. Juanjo Danobeitia, EMSO ERIC, CMO, Rome, Italy
Subslab Anisotropy Beneath the Western Pacific and Central American Subduction Zones (127140)
Ban-Yuan Kuo, Institute of Earth Sciences Academia Sinica, Taipei, Taiwan, Cheng-Chien Peng, IONTU Institute of Oceanography National Taiwan University, Taipei, Taiwan and Chin-Wu Chen, National Taiwan University, Taipei, Taiwan
Focal Mechanism Solutions from the HOBITSS Ocean Bottom Seismometer Experiment, Hikurangi Subduction Zone, New Zealand (131765)
Enrique Chon, University of Arizona, Department of Geosciences, Tucson, AZ, United States; UNAVCO, Inc. Boulder, Boulder, CO, United States, Anne Sheehan, University of Colorado Boulder, Department of Geological Sciences and Cooperative Institute for Research in Environmental Sciences (CIRES), Boulder, United States, Jefferson Yarce, University of Colorado at Boulder, Boulder, United States, Jenny S Nakai, University of Colorado at Boulder, Boulder, CO, United States, Susan Y Schwartz, University of California Santa Cruz, Earth and Planetary Sciences, Santa Cruz, CA, United States and Kimihiro Mochizuki, Earthquake Research Institute, The University of Tokyo, Tokyo, Japan
Geometry of plate boundary and seismic structure beneath the southern Ryukyu Trench subduction zone deduced from passive seismic observation (140195)
Yojiro Yamamoto1, Tsutomu Takahashi1, Yasushi Ishihara2, Yuka Kaiho1, Ryuta Arai2, Ayako Nakanishi1, Koichiro Obana1, Seiichi Miura1, Shuichi Kodaira3 and Yoshiyuki Kaneda4, (1)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, (2)JAMSTEC, Yokohama, Japan, (3)Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokohama, Japan, (4)Nagoya University, Nagoya, Japan
Isotopic constraints on the age of fluid migration and faulting in the deep Nankai accretionary prism at IODP Site C0002 (140747)
James C Sample1, Xianfeng Wang2, Sarah Weeks1, Lin Ke3, Harold J Tobin4, Takehiro Hirose5, Demian M Saffer6, William Defliese7 and Aradhna K Tripati8, (1)Northern Arizona University, Flagstaff, AZ, United States, (2)Earth Observatory of Singapore, Singapore, Singapore, (3)Nanyang Technological University, Earth Observatory of Singapore, Singapore, Singapore, (4)University of Washington Seattle, Earth and Space Sciences, Seattle, WA, United States, (5)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kochi Institute for Core Sample Research, Nankoku, Japan, (6)Penn State University, Department of Geosciences, University Park, PA, United States, (7)University of California Los Angeles, Department of Earth, Planetary, and Space Sciences, Los Angeles, CA, United States, (8)University of California Los Angeles, Department of Earth, Planetary, and Space Sciences, Los Angeles, United States
Three Dimensional Elastic Wavespeeds in the Northern ChileSubduction Zone: Variations in Hydration in the Supra-SlabMantle (143934)
Diana Comte, University of Chile, Department of Geophysics - AMTC - FCFM, Santiago, Chile, Daniel Carrizo, University of Chile, Advanced Mining Technology Center, Department of Geology, Santiago, Chile, Steven W Roecker, Rensselaer Polytechnic Inst, Earth & Environmental Sciences, Troy, United States, Francisco Ortega-Culaciati, University of Chile, FCFM - Department of Geophysics, Advanced Mining Technology Center, Santiago, Chile and Sophie Peyrat, Geosciences Montpellier, UMR5242, Universite Montpellier 2, Montpellier, France
Subduction structure beneath the eastern part of the Kii Peninsula, southwestern Japan, revealed by dense seismic array observation (154671)
Eiji Kurashimo1, Takashi Iidaka2, Noriko Tsumura3 and Takaya Iwasaki2, (1)The University of Tokyo, Earthquake Research Institute, Tokyo, Japan, (2)University of Tokyo, Bunkyo-ku, Japan, (3)Chiba Univ, Chiba, Japan
Travel Time Tomographic Imaging of Shallow Fore-arc Basin Structure at the Cascadia Subduction Zone Offshore Washington and Oregon (140695)
Rayhaneh Azarm, Institut de Physique du Globe de Paris, Paris, France, Helene Delphine Carton, Université Paris Cité, Institut de Physique du Globe de Paris, CNRS, Paris, France, Suzanne M Carbotte, Lamont-Doherty Earth Observatory, Palisades, NY, United States, Shuoshuo Han, University of Texas at Austin, Institute for Geophysics, Austin, TX, United States, Juan Pablo Canales, Woods Hole Oceanographic Institution, Woods Hole, MA, United States and Mladen R Nedimovic, Dalhousie University, Department of Earth and Environmental Sciences, Halifax, NS, Canada
Mantle wedge structure beneath the Yamato Basin, southern part of the Japan Sea, revealed by long-term seafloor seismic observations (146681)
Kazuo Nakahigashi, Tokyo University of Marine Science and Technology, Department of Marine Resources and Energy, Tokyo, Japan, Yusuke Yamashita, Disaster Prevention Research Institute, Kyoto University, Kyoto, Japan, Tomoaki Yamada, ERI, TheUniversity of Tokyo, Bunkyo-ku, Japan, Kimihiro Mochizuki, University of Tokyo, Earthquake Research Institute, Bunkyo-ku, Japan, Hajime Shiobara, University of Tokyo, Bunkyo-ku, Japan and Masanao Shinohara, NIED, ERI, The University of Tokyo, Tsukuba, Japan
Time Dependence of Shear Wavespeeds in Northern Chile Related to the 2014 Mw8.3 Pisagua Earthquake (151200)
Romina Carolina Arriaza, University of Chile FCFM-AMTC, Department of Electrical Engineering, Santiago, Chile, Steven W Roecker, Rensselaer Polytechnic Inst, Earth & Environmental Sciences, Troy, United States and Diana Comte, University of Chile, Department of Geophysics - AMTC - FCFM, Santiago, Chile
Assessing the dependence of seafloor displacement measurements from repeated sidescan sonar surveys upon ship speed and track separation (152634)
John Boone DeSanto1, David T Sandwell2 and C David Chadwell2, (1)University of Washington, Seattle, United States, (2)University of California San Diego, La Jolla, CA, United States
An Automated Method for Determining Seismic Anisotropy: Application to Laterally Varying Anisotropy at the Japan Subduction Zone (154119)
Daniel Mendonca Montenegro, Universidade Federal da Bahia, Salvador, Brazil, Petros Bogiatzis, University of Southampton, Ocean and Earth Science, Southampton, United Kingdom, Sunyoung Park, University of Chicago, Department of the Geophysical Sciences, Chicago, United States and Miaki Ishii, Harvard University, Department of Earth and Planetary Sciences, Cambridge, MA, United States
Deep Seismic Imaging of the Hellenic Subduction Zone with New MCS Data of the SISMED Project (178297)
Mireille Laigle1, Sara Ghalya Hussni2, Anne Becel3, Jean-Xavier Dessa1, Laure Schenini1, Maria Sachpazi4 and Clement Vitard1, (1)Université Côte d'Azur, OCA, CNRS, UPMC, IRD, Géoazur, Nice Sophia Antipolis, France, (2)Université Côte d’Azur, CNRS, IRD, Observatoire de la Côte d’Azur, Géoazur, Valbonne, France, (3)Lamont-Doherty Earth Observatory, Palisades, NY, United States, (4)National Observatory of Athens, Athens, Greece
Dependence of Subduction Zone seismicity on Strain-Rate-Dependent Critical Homologous Temperature (181805)
Paul Mcewan Davis, University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, CA, United States
Multichannel Seismic Imaging of the Rivera Plate Subduction at the Seismogenic Jalisco Block Area (Western Mexican Margin) (189626)
Rafael Bartolome1, Estefanía Gorriz2, Prof. Juanjo Danobeitia3, Diego Córdoba Barba Sr4, David Martí5, Alejandra L. Cameselle6, Francisco J Nuñez-Cornu7, William Lee Bandy8, Carlos Mortera9, Diana Núñez10, Jose Luis Alonso11, Arturo Castellon11 and Manel Prada12, (1)ICM-CSIC, Barcelona-CSI, Geosciences, Barcelona, Spain, (2)University of Barcelona, Dinàmica de la Terra i de l’Oceà, Barcelona, Spain, (3)EMSO ERIC, CMO, Rome, Italy, (4)Complutense University of Madrid, Fac. Ciencias Fisicas, Madrid, Spain, (5)ICTJA-CSIC, Barcelona, Spain, (6)CMIMA-CSIC, Barcelona, Spain, (7)Universidad de Guadalajara, SisVOc, Guadalajara, Mexico, (8)National Autonomous University of Mexico, Ciudad DE Armería, Mexico, (9)UNAM National Autonomous University of Mexico, Instituto de Geofisica, Mexico City, Mexico, (10)Universidad de Guadalajara, SisVOc, Puerto Vallarta, Mexico, (11)Marine Technology Unit, Barcelona, Spain, (12)Dublin Institute for Advanced Studies, Geosphysics Section, Dublin, Ireland
Investigating Segmentation in Cascadia: Anisotropic Crustal Structure and Mantle Wedge Serpentinization (148646)
Hannah Elaine Krueger, Appalachian State University, Boone, NC, United States and Erin A Wirth, University of Washington, Earth and Space Sciences, Seattle, WA, United States
Geometry and growth of segmented thrust faults influences hydraulic connectivity in accretionary wedges: New Insights from 3D seismic reflection data (158977)
Rebecca E Bell1, Haydn Orme2, Christopher Aiden-Lee Jackson1 and Gregory F Moore3, (1)Imperial College London, Department of Earth Science and Engineering, London, United Kingdom, (2)Imperial College London, London, United Kingdom, (3)University of Hawaii at Manoa, Earth Sciences, Honolulu, United States
Deep-seated mud volcanoes and their impact on seismicity[WM1] at Nankai (landward of the NanTroSEIZE drilling transect) (174312)
Walter Menapace, University of Bremen, MARUM – Center for Marine Environmental Sciences, Bremen, Germany, Achim Kopf, University of Bremen, Bremen, Germany, Simone Kasemann, University of Bremen, Faculty of Geosciences, Bremen, Germany, Anette Meixner, Department of Geosciences & MARUM University of Bremen, Bremen, Germany and Michael D Tryon, Scripps Inst Oceanography, La Jolla, CA, United States
Shear wave splitting and the dynamics of the hydrated mantle wedge in subduction regions constrained by the example of the Ryukyu subduction zone (178362)
Takayoshi Nagaya1, Andrew Walker2, James M Wookey3, Simon Richard Wallis4, Kazuhiko Ishii5 and J Michael Kendall3, (1)Tohoku University, Sendai, Japan, (2)University of Leeds, School of Earth and Environment, Leeds, United Kingdom, (3)University of Bristol, School of Earth Sciences, Bristol, BS8, United Kingdom, (4)Nagoya University, Graduate School of Environmental Studies, Nagoya, Japan, (5)Osaka Prefecture University, Graduate School of Science, Sakai, Japan
Shoreline-Crossing Shear-Velocity Structure of the Juan de Fuca Plate and Cascadia Subduction Zone from Surface Waves and Receiver Functions (183197)
Helen A Janiszewski, Columbia University of New York, Palisades, NY, United States, James B Gaherty, Organization Not Listed, Washington, DC, United States, Geoffrey A Abers, Cornell University, Ithaca, NY, United States and Haiying Gao, University of Massachusetts Amherst, Department of Earth, Geographic, and Climate Sciences, Amherst, United States
Imaging Variations within the South Central Chilean Fore-Arc and Subducting Nazca Plate from Receiver Functions (182021)
Brandon Bishop, University of Arizona, Tucson, United States, Susan L Beck, University of Arizona, Department of Geosciences, Tucson, AZ, United States and George Zandt, Univ Arizona, Department of Geosciences, Tucson, United States
The Cause of the Cauca, Colombia, Cluster of Intermediate-Depth Earthquakes From Earthquake Relocation and Focal Mechanisms (184436)
Ying Chang, Southern University of Science and Technology, Department of Earth and Spaces Sciences, Shenzhen, China, Linda M Warren, Saint Louis University Main Campus, Department of Earth and Atmospheric Sciences, Saint Louis, United States and German A Prieto, Massachusetts Institute of Technology, Earth, Atmospheric and Planetary Sciences, Cambridge, MA, United States
Kinematic Reconstruction of the Costa Rican Margin: Evidence for Discontinuities in Deformation Across the Margin (196708)
Brooklyn Gose1, Nathan L Bangs2 and Kirk D McIntosh1, (1)University of Texas at Austin, Austin, TX, United States, (2)University of Texas Institute for Geophysics, Austin, United States

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