T42A:
Illuminating the Factors That Determine Subduction Megathrust Fault Slip Style II

Session ID#: 4936

Thursday, 18 December 2014: 10:20 AM-12:20 PM
304 (Moscone_South)
Chairs:  Ake Fagereng, Cardiff University, Department of Earth and Environmental Sciences, Cardiff, United Kingdom and Laura M Wallace, University of Texas at Austin, Institute for Geophysics, Austin, United States
Primary Convener:  Ake Fagereng, Cardiff University, Department of Earth and Environmental Sciences, Cardiff, United Kingdom; Cardiff University, Cardiff, CF24, United Kingdom
Co-conveners:  Matt Ikari, University of Bremen, MARUM – Center for Marine Environmental Sciences, Bremen, Germany, Kohtaro Ujiie, University of Tsukuba, Tsukuba, Japan and Laura M Wallace, University of Texas at Austin, Institute for Geophysics, Austin, United States
OSPA Liaison:  Ake Fagereng, Cardiff University, Department of Earth and Environmental Sciences, Cardiff, United Kingdom
Co-Sponsor(s):
  • G - Geodesy
  • MR - Mineral and Rock Physics
  • NH - Natural Hazards
  • S - Seismology
Index Terms:

5104 Fracture and flow [PHYSICAL PROPERTIES OF ROCKS]
7209 Earthquake dynamics [SEISMOLOGY]
8163 Rheology and friction of fault zones [TECTONOPHYSICS]
8170 Subduction zone processes [TECTONOPHYSICS]
Virtual Option?: No

Abstracts Submitted to this Session:

T42A-01
Subduction zone structures and slip behavior in megathrust (Invited) (2707)
Shuichi Kodaira, Japan Agency for Marine-Earth Science and Technology, R&D Center for Earthquake and Tsunami, Yokohama, Japan, Ayako Nakanishi, R&D Center for Earthquake and Tsunami, Japan Agency for Marine-Earth Science and Technology, Yokohama, Japan and Yasuyuki Nakamura, R&D Center for Earthquake and Tsunami, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokohama, Japan
T42A-02
A New Model for the Seismogenic Behavior of Subducted Seamounts Based on Multi-Channel Seismic Reflection and GPS Data Collected in Central Ecuador. (8836)
Jean-Yves Collot1,2, Eddy Sanclemente3,4, Alessandra Ribodetti5, Mohamed Chlieh2,4, Paul Jarrin6 and Jean Mathieu Nocquet2,6, (1)Investigador of the Prometeo Project of the Ministry of Higher Education, Science, Technology and Innovation, Quito, Ecuador, (2)Institut de Recherche pour le Développement - IRD, Valbonne, France, (3)Escuela Superior Politécnica del Litoral (ESPOL), Guayaquil, Ecuador, (4)University of Nice, Nice, France, (5)Université Côte d’Azur, CNRS, IRD, Observatoire de la Côte d’Azur, Géoazur, Valbonne, France, (6)Instituto Geofísico, Escuela Politécnica Nacional, Quito, Ecuador
T42A-03
Identification of subducting plate structure within seismogenic zones and relationships with seismicity (21349)
Dan Bassett, GNS Science, Lower Hutt, New Zealand and Anthony Brian Watts, University of Oxford, Oxford, United Kingdom
T42A-04
Tectonic controls on earthquake size distribution and seismicity rate: slab buoyancy and slab bending (14559)
Tomoaki Nishikawa, Disaster Prevention Research Institute, Kyoto University, Kyoto, Japan and Satoshi Ide, The University of Tokyo, Department of Earth and Planetary Science, Bunkyo-ku, Japan
T42A-05
Upper Plate Geology Controls the Rupture Area Segmentation of Subduction Zone Earthquake - A Case Study of the Nankai Trough (19993)
Gaku Kimura1, Yoshitaka Hashimoto2, Yujin Kitamura3, Asuka Yamaguchi4, Mari Hamahashi1, Hiroaki Koge1 and Sumito Morita5, (1)University of Tokyo, Bunkyo-ku, Japan, (2)Kochi University, Kochi, Japan, (3)Kagoshima University, Kagoshima, Japan, (4)University of Tokyo, Atmosphere and Ocean Research Institute, Kashiwa, Japan, (5)Geological Survey of Japan, AIST, Tsukuba, Ibaraki, Japan
T42A-06
The Role of Fault Heterogeneity on the Diversity of Slip Styles in Megathrust Earthquakes (Invited) (2474)
Jean Paul Ampuero, California Institute of Technology, Seismological Laboratory, Pasadena, CA, United States
T42A-07
Can clay minerals account for the non-asperity on the subducting plate interface? (14961)
Ikuo Katayama1, Tatsuro Kubo1, Hiroshi Sakuma2 and Kenji Kawai3, (1)Hiroshima University, Higashi-Hiroshima, Japan, (2)National Institute for Materials Science, Tsukuba, Japan, (3)University of Tokyo, Bunkyo-ku, Japan
T42A-08
Possible coseismic laminar and non-laminar flow along subduction megathrusts (15793)
Kohtaro Ujiie1, Kazuhiro Noguchi1, Tsubasa Saito1 and Akito Tsutsumi2, (1)University of Tsukuba, Tsukuba, Japan, (2)Kyoto University, Kyoto, Japan
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