T41E:
Illuminating the Factors That Determine Subduction Megathrust Fault Slip Style I

Thursday, 18 December 2014: 8:00 AM-10:00 AM
Chairs:  Ake Fagereng, University of Cape Town, Department of Geological Sciences, Cape Town, South Africa, Laura M Wallace, University of Texas at Austin, Institute for Geophysics, Austin, TX, United States and Kohtaro Ujiie, University of Tsukuba, Tsukuba, Japan
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:

8:00 AM
T41E-01
 
Megathrust Properties and Large Earthquake Rupture Processes
Thorne Lay, University of California Santa Cruz, Santa Cruz, CA, United States, Lingling Ye, UC SANTA CRUZ, Santa Cruz, CA, United States and Hiroo Kanamori, CALTECH, Pasadena, CA, United States
8:15 AM
T41E-02
 
Mechanics of Slip-to-the-Trench and Frontal Prism Deformation for the 2011 Tohoku-oki Earthquake
Frederick M Chester, Texas A & M University, Geology & Geophysics, College Station, TX, United States
8:30 AM
T41E-03
 
Laboratory-observed frictional slip instabilities in samples of the Tohoku plate boundary megathrust
Matt Ikari, MARUM - University of Bremen, Bremen, Germany, Yoshihiro Ito, Kyoto University, Kyoto, Japan, Kohtaro Ujiie, University of Tsukuba, Tsukuba, Japan and Achim Kopf, MARUM, University of Bremen, Bremen, Germany
8:45 AM
T41E-04
 
Mechanisms Behind Aseismic Slip Pulsing on the Northeast Japan Subduction Zone: Insights from Time-Dependent Modelling of GPS and Repeating Earthquakes
Jennifer M Weston and Manoochehr Shirzaei, Arizona State University, Tempe, AZ, United States
9:00 AM
T41E-05
 
Coupling, fluids and foreshocks – preparing megathrust ruptures at the Chilean plate boundary
Onno Oncken, Marcos Moreno and Bernd Schurr, Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany
9:15 AM
T41E-06
 
Aftershock mechanisms from the 2010 Mw 8.8 Maule, Chile earthquake: detailed analysis using full waveform inversion
Stephen P Hicks1, Bruna Chagas2, Andreas Rietbrock1 and Hans Agurto Detzel3, (1)University of Liverpool, Liverpool, United Kingdom, (2)UFOP-Federal University of Ouro Preto, Department of Physics, Ouro Preto, Brazil, (3)USP University of Sao Paulo, Department of Geophysics, São Paulo, Brazil
9:30 AM
T41E-07
 
Imaging the Locked Zone of the Cascadia Subduction Zone Using Receiver Functions from the Cascadia Initiative
Helen A Janiszewski1, Geoffrey A Abers2, James B Gaherty1 and Helene Delphine Carton1, (1)Columbia University in the City of New York, Lamont-Doherty Earth Observatory, Palisades, NY, United States, (2)Cornell University, Ithaca, NY, United States
9:45 AM
T41E-08
 
Investigation of small earthquakes and microseismicity at the down-dip end of the seismogenic zone associated with slow slip events and large subduction earthquakes
Harmony Colella, Arizona State University, Tempe, AZ, United States and Michael R Brudzinski, Miami University, Oxford, OH, United States
 
See more of: Tectonophysics
<< Previous Session | Next Session >>