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

Thursday, 18 December 2014: 10:20 AM-12:20 PM
Chairs:  Ake Fagereng, University of Cape Town, Department of Geological Sciences, Cape Town, South Africa and Laura M Wallace, University of Texas at Austin, Institute for Geophysics, Austin, TX, United States
Primary Conveners:  Ake Fagereng, University of Cape Town, Department of Geological Sciences, Cape Town, South Africa; Cardiff University, School of Earth and Ocean Sciences, Cardiff, United Kingdom
Co-conveners:  Matt Ikari, MARUM, University of Bremen, Bremen, Germany, Kohtaro Ujiie, University of Tsukuba, Tsukuba, Japan and Laura M Wallace, University of Texas at Austin, Institute for Geophysics, Austin, TX, United States
OSPA Liaisons:  Ake Fagereng, University of Cape Town, Department of Geological Sciences, Cape Town, South Africa

Abstracts Submitted to this Session:

10:20 AM
T42A-01
 
Subduction zone structures and slip behavior in megathrust
Shuichi Kodaira, Ayako Nakanishi and Yasuyuki Nakamura, R&D Center for Earthquake and Tsunami, Japan Agency for Marine-Earth Science and Technology, Yokohama, Japan
10:35 AM
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.
Jean-Yves Collot1,2, Eddy Sanclemente3,4, Alessandra Ribodetti2, Mohamed Chlieh2,4, Paul Jarrin5 and Jean Mathieu Nocquet2,5, (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)Instituto Geofísico, Escuela Politécnica Nacional, Quito, Ecuador
10:50 AM
T42A-03
 
Identification of subducting plate structure within seismogenic zones and relationships with seismicity
Dan Bassett and Anthony Brian Watts, University of Oxford, Oxford, 0X1, United Kingdom
11:05 AM
T42A-04
 
Tectonic controls on earthquake size distribution and seismicity rate: slab buoyancy and slab bending
Tomoaki Nishikawa and Satoshi Ide, University of Tokyo, Bunkyo-ku, Japan
11:20 AM
T42A-05
 
Upper Plate Geology Controls the Rupture Area Segmentation of Subduction Zone Earthquake - A Case Study of the Nankai Trough
Gaku Kimura1, Yoshitaka Hashimoto2, Yujin Kitamura3, Asuka Yamaguchi1, Mari Hamahashi1, Hiroaki Koge1 and Sumito Morita4, (1)University of Tokyo, Bunkyo-ku, Japan, (2)University of Kochi, Kochi, Japan, (3)Kagoshima University, Kagoshima, Japan, (4)Geological Survey of Jpn, AIST, Tsukuba, Ibaraki, Japan
11:35 AM
T42A-06
 
The Role of Fault Heterogeneity on the Diversity of Slip Styles in Megathrust Earthquakes
Jean Paul Ampuero, California Institute of Technology, Seismological Laboratory, Pasadena, CA, United States
11:50 AM
T42A-07
 
Can clay minerals account for the non-asperity on the subducting plate interface?
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
12:05 PM
T42A-08
 
Possible coseismic laminar and non-laminar flow along subduction megathrusts
Kohtaro Ujiie1, Kazuhiro Noguchi1, Tsubasa Saito1 and Akito Tsutsumi2, (1)University of Tsukuba, Tsukuba, Japan, (2)Kyoto University, Kyoto, Japan
 
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