T43D:
Illuminating the Factors That Determine Subduction Megathrust Fault Slip Style III

Session ID#: 4937

Thursday, 18 December 2014: 1:40 PM-3:40 PM
304 (Moscone_South)
Chairs:  Kohtaro Ujiie, University of Tsukuba, Tsukuba, Japan and Matt Ikari, MARUM - University of Bremen, Bremen, Germany
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:  Matt Ikari, MARUM - University of Bremen, Bremen, Germany
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:

T43D-01
Fault plane reflectivity along subduction thrusts: What does it really tell us? (29967)
Demian M Saffer, Pennsylvania State University, University Park, United States and Harold J Tobin, University of Washington Seattle, Earth and Space Sciences, Seattle, WA, United States
T43D-02
Pore Fluid Pressure and State of Stress Above the Plate Interface from Observations in a 3 Kilometer Deep Borehole: IODP Site C0002, Nankai Trough Subduction Zone (26135)
Harold J Tobin, University of Washington Seattle, Earth and Space Sciences, Seattle, WA, United States, Demian M Saffer, Pennsylvania State University, University Park, United States, Takehiro Hirose, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kochi Institute for Core Sample Research, Nankoku, Japan, David A. Castillo, Insight Geomechanics, Perth, Australia, Hiroko Kitajima, Texas A&M University, Center for Tectonophysics and the Department of Geology & Geophysics, College Station, United States, Hiroki Sone, University of Wisconsin-Madison, Madison, WI, United States and IODP Expedition 348 Scientific Party
T43D-03
Quantification of in situ stress and pore pressure in the Nankai subduction zone: Effects of lithology and loading path (28111)
Hiroko Kitajima, Texas A&M University, Center for Tectonophysics and the Department of Geology & Geophysics, College Station, United States and Demian M Saffer, Pennsylvania State University, University Park, United States
T43D-04
Role of Silica Redistribution in the Rate-State Behavior of Megathrusts: Field Observations and Experimental Results (Invited) (4040)
Donald M Fisher, Pennsylvania State University, Department of Geosciences, University Park, United States and Sabine A.M. Den Hartog, Pennsylvania State University Main Campus, University Park, PA, United States
T43D-05
Focused Fluid Flow and Cementation in Fault Zones From NanTroSEIZE Site C0002, Expedition 348 (17112)
James C Sample1, Emilie Even2, Sebastian Hammerschmidt3, Shigeshi Fuchida2, Takehiro Hirose4, Demian M Saffer5, Harold J Tobin6 and Expedition 348 Scientists, (1)Northern Arizona University, Flagstaff, AZ, United States, (2)Osaka city University, Osaka, Sumiyoshi-ku,, Japan, (3)MARUM, Bremen, Germany, (4)JAMSTEC, Kochi Institute for Core Sample Research, Nankoku, Japan, (5)Pennsylvania State University, University Park, United States, (6)University of Washington Seattle, Earth and Space Sciences, Seattle, WA, United States
T43D-06
Hikurangi Margin: Geology, Flow Rates, Water-Rock Interaction and Relative Fluid Ages (11923)
Agnes G Reyes, GNS Science, Lower Hutt, New Zealand
T43D-07
Can Competition Between Frictional Sliding and Viscous Creep Determine Megathrust Fault Slip Style? (16099)
Ake Fagereng, Cardiff University, Department of Earth and Environmental Sciences, Cardiff, United Kingdom
T43D-08
Plastic Creep and Brittle-Ductile Transition in Hydrated Rocks of the Plate Interface (9312)
Bruno Reynard, Ecole Normale Supérieure Lyon, Laboratoire de Géologie de Lyon, Lyon, France
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