T51A:
Illuminating the Factors That Determine Subduction Megathrust Fault Slip Style IV Posters

Session ID#: 2614

Friday, 19 December 2014: 8:00 AM-12:20 PM
Poster Hall (Moscone_South)
Chairs:  Ake Fagereng, Cardiff University, Department of Earth and Environmental Sciences, Cardiff, United Kingdom, Matt Ikari, MARUM - University of Bremen, Bremen, Germany and Kohtaro Ujiie, University of Tsukuba, Tsukuba, Japan
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:

 
The Fault Damage Zone of the Shallow Japan Trench Megathrust (14500)
Tucker Keren and James D Kirkpatrick, Colorado State University, Fort Collins, CO, United States
 
Microscale Relationships Between Fault Rock Fabric and Structural Style in Megathrusts – Observations from Tohoku-Oki Via J-Fast. (8110)
Virginia Toy, University of Otago, Dunedin, New Zealand, Ake Fagereng, Cardiff University, Department of Earth and Environmental Sciences, Cardiff, United Kingdom, James D Kirkpatrick, Colorado State University, Fort Collins, CO, United States, Francesca Remitti, University of Modena and Reggio Emilia, Department of Chemical and Geological Sciences, Modena, Italy, Christie D Rowe, Nevada Seismological Laboratory, Reno, United States, Kohtaro Ujiie, University of Tsukuba, Tsukuba, Japan, Monica Wolfson-Schwehr, University of New Hampshire Main Campus, Durham, NH, United States and IODP Expedition 343 and 343T Scientists
 
The Thermal Memory of Smectite and Implications for Seismogenic Heating during the 2011 Tohoku Earthquake in the Japan Trench (7161)
Anja Schleicher1, Austin Boles1 and Ben van der Pluijm2, (1)University of Michigan, Earth and Environmental Sciences, Ann Arbor, MI, United States, (2)University of Michigan, Ann Arbor, MI, United States
 
Frictional Properties of Experimentally Sheared Gouges from the 2011 Mw 9.0 Tohoku-Oki Earthquake Fault Zone (10030)
Silvia Mittempergher1, Steven A.F. Smith2, Francesca Remitti1, Alessandro Gualtieri3 and Giulio Di Toro4, (1)University of Modena and Reggio Emilia, Department of Chemical and Geological Sciences, Modena, Italy, (2)University of Otago, Dunedin, New Zealand, (3)University of Modena and Reggio Emilia, Modena, Italy, (4)University of Padova, Department of Geosciences, Padova, Italy
 
Boron Isotope Constraints on Fluid-Rock Interactions in the Shallow Megathrust at the Japan Trench (20874)
Tsuyoshi Ishikawa, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, Jun Matsuoka, Marine Works Japan Ltd., Kochi, Japan, Jun Kameda, The University of Tokyo, Tokyo, Japan, James C Sample, Northern Arizona University, Flagstaff, AZ, United States, James J Mori, Kyoto University, Kyoto, Japan and Frederick M Chester, Texas A&M University College Station, Department of Geology and Geophysics, College Station, United States
 
Elastic Properties of Subduction Zone Materials in the Large Shallow Slip Environment for the Tohoku 2011 Earthquake: Laboratory data from JFAST Core Samples (24037)
Tamara Jeppson, University of Wisconsin Madison, Madison, WI, United States and Harold J Tobin, University of Washington Seattle, Earth and Space Sciences, Seattle, WA, United States
 
Stress induced near fault-zone breakout rotation: Two case studies in TCDP and JFAST (20487)
Hung-Yu Wu, Institute for Research on Earth Evolution, Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, Emily E Brodsky, University of California Santa Cruz, Department of Earth and Planetary Sciences, Santa Cruz, CA, United States, Kyaw Moe, CDEX, Yokohama, Japan and Masataka Kinoshita, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan
 
Dehydration of incoming sediments at the Japan Trench (29314)
Mayuko Shimizu, JAEA Japan Atomic Energy Agency, Toki, Japan, Jun Kameda, Hokkaido University, Sapporo, Japan, Yohei Hamada, JAMSTEC, Kochi Institute for Core Sample Research, Nankoku, Japan, Wataru Tanikawa, Kochi Institute for Core Sample Research, Kochi, Japan and Gaku Kimura, University of Tokyo, Bunkyo-ku, Japan
 
Studying Near-Trench Characteristics of the 2011 Tohoku-Oki Megathrust Rupture Using Differential Multi-Beam Bathymetry before and after the Earthquake (6097)
Tianhaozhe Sun1, Toshiya Fujiwara2, Shuichi Kodaira3, Kelin Wang4,5 and Jiangheng He4, (1)School of Earth and Ocean Sciences, University of Victoria, Victoria, BC, Canada, (2)R&D Center for Earthquake and Tsunami, Japan Agency for Marine-Earth Science and Technology, Yokosuka, Japan, (3)Japan Agency for Marine-Earth Science and Technology, R&D Center for Earthquake and Tsunami, Yokohama, Japan, (4)Pacific Geoscience Centre, Geological Survey of Canada, Sidney, BC, Canada, (5)Geological Survey of Canada Sidney, Pacific Geoscience Centre, Sidney, BC, Canada
 
Direct-path acoustic ranging across the Japan Trench axis, Adjacent to the Large Shallow Thrusting in the 2011 Tohoku-Oki earthquake (15771)
Yukihito Osada1, Motoyuki Kido2, Yoshihiro Ito3, Takeshi Iinuma2, Hiromi Fujimoto4 and Ryota Hino2, (1)Tohoku University, Sendai, Japan, (2)Tohoku University, International Research Institute of Disaster Science, Sendai, Japan, (3)Kyoto University, Disaster Prevention Research Institute, Kyoto, Japan, (4)National Research Institute for Earth Science and Disaster Prevention, Tsukuba, Japan
 
Depth Limits of Slow Slip Events at the Japan Trench: Insights from Friction Experiments under In-Situ Conditions (15327)
Michiyo Sawai, Hiroshima University, Higashi-Hiroshima, Japan, Andre R Niemeijer, Utrecht University, Department of Earth Sciences - HPT laboratory, Utrecht, Netherlands, Takehiro Hirose, JAMSTEC, Kochi Institute for Core Sample Research, Nankoku, Japan and Christopher James Spiers, Utrecht University, High Pressure & Temperature Laboratory, Earth Sciences, Utrecht, Netherlands
 
Oceanic mantle alteration in the trench-outer rise region of the Japan trench (28819)
Gou Fujie1, Tsutomu Takahashi2, Shuichi Kodaira1, Koichiro Obana3 and Tomoaki Yamada4, (1)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, (2)JAMSTEC, Yokohama, Japan, (3)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Research Institute for Marine Geodynamics, Kanagawa, Japan, (4)ERI, TheUniversity of Tokyo, Bunkyo-ku, Japan
 
Incoming sediments and its deformation observed on high resolution seismic profiles in the northern Japan Trench axis region (14769)
Yasuyuki Nakamura1, Shuichi Kodaira2, Mikiya Yamashita2, Seiichi Miura1, Gou Fujie2, Michael Strasser3, Ken Ikehara4, Toshiya Kanamatsu5 and Kazuko Usami6, (1)Japan Agency for Marine-Earth Science and Technology, R&D Center for Earthquake and Tsunami, Yokohama, Japan, (2)Japan Agency for Marine-Earth Science and Technology, Yokohama, Japan, (3)University of Innsbruck, Department of Geology, Innsbruck, Austria, (4)Geological Survey of Japan, AIST, Tsukuba, Japan, (5)Japan Agency for Marine-Earth Science and Technology, Research Institute for Marine Geodynamics (IMG), Yokosuka, Japan, (6)Marine Geology Research Group, Geological Survey of Japan, AIST, Tsukuba, Japan
 
JDASH – Japan Trench Deep-sea Research for Assessing Shallow Seismic Slips and Their History (11831)
Ryota Hino, Tohoku University, International Research Institute of Disaster Science, Sendai, Japan, Shuichi Kodaira, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Yokosuka, Japan, Toshiya Kanamatsu, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Institute for Marine Geodynamics, Kanagawa, Japan, Masanao Shinohara, Earthquake Research Institute, the University of Tokyo, Tokyo, Japan and Yoshihiro Ito, Kyoto University, Disaster Prevention Research Institute, Kyoto, Japan
 
Drilling into the deep interior of the Nankai accretionary prism: Preliminary results of IODP NanTroSEIZE Expedition 348 (21225)
Takehiro Hirose, JAMSTEC, Kochi Institute for Core Sample Research, Nankoku, Japan, 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, Sean Toczko, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Institute for Marine-Earth Exploration and Engineering (MarE3), Kanagawa, Japan, Lena Maeda, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan and IODP Expedition 348 Science Party
 
Physical properties of the Nankai inner accretionary prism sediments at Site C0002, IODP Expedition 348. (10302)
Manami Kitamura, Hiroshima University, Higashi-Hiroshima, Japan, Hiroko Kitajima, Texas A&M University, Center for Tectonophysics and the Department of Geology & Geophysics, College Station, United States, Pierre Henry, CEREGE, Aix-en-Provence, France, Aix-En-Provence, France, Robert D Valdez II, Pennsylvania State University, State College, PA, United States, Matthew Josh, CSIRO Earth Science and Resource Engineering Perth, Perth, WA, Australia, 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, Kochi Institute for Core Sample Research, Nankoku, Japan, Sean Toczko, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Institute for Marine-Earth Exploration and Engineering (MarE3), Kanagawa, Japan, Lena Maeda, JAMSTEC, Yokohama, Japan and IODP Expedition 348 Scientists
 
Permeability of Silty Claystone and Turbidite Samples from IODP Expedition 348, Hole C0002P, Nankai Trough Accretionary Prism (15260)
Chen Song1, Michael Underwood1 and IODP Expedition 348 Scientific Party, (1)University of Missouri Columbia, Department of Geological Sciences, Columbia, MO, United States
 
Stress-state and micro-scale deformations in the hangingwall of the splay fault: Preliminary results from the Site C0002, IODP Expedition 348 (22957)
Yuzuru Yamamoto1, Weiren Lin1, Yuhji Yamamoto2, Kevin M Brown3, Ana Crespo-Blanc4, Makoto Otsubo5, Hiroki Sone6, Pierre Henry7, Expedition 348 Scientists8 and Expedition 348 Scientists, (1)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, (2)Kochi University, Center for Advanced Marine Core Research, Kochi, Japan, (3)Scripps Institution of Oceanography, La Jolla, CA, United States, (4)University of Granada, Granada, Spain, (5)Geological Survey of Japan, AIST, Tsukuba, Japan, (6)University of Wisconsin-Madison, Madison, WI, United States, (7)CEREGE, Aix-en-Provence, France, Aix-En-Provence, France, (8)Texas A & M University, College Station, TX, United States
 
Wellbore failures and its constraints on the in-situ stress state in the Nankai Trough accretionary prism, Site C0002, IODP Expedition 348 (28444)
Hiroki Sone, University of Wisconsin-Madison, Madison, WI, United States, Maria Jose Jurado, Geosciences Barcelona (GEO3BCN, CSIC), Barcelona, Spain, Brian Boston, University of Hawaii at Manoa, Honolulu, HI, United States, Yuzuru Yamamoto, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, 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 and IODP Expedition 348 Scientific Party
 
Structural Variation in the Incoming Philippine Sea Plate Along the Nankai Trough (11741)
Ayako Nakanishi1, Yojiro Yamamoto1, Mikiya Yamashita1, Hikaru Iwamaru1, Gou Fujie1, Shuichi Kodaira2 and Yoshiyuki Kaneda1, (1)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, (2)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Yokosuka, Japan
 
Crustal deformation and faults configuration along the eastern Nankai Trough obtained by seismic reflection survey (12187)
Mikiya Yamashita1, Ayako Nakanishi2, Koichiro Obana1, Norio Shimomura1, Kazuhiko Kashiwase3, Shuichi Kodaira1 and Yoshiyuki Kaneda1, (1)Japan Agency for Marine-Earth Science and Technology, Yokohama, Japan, (2)Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokohama, Japan, (3)Japan Agency for Marine-Earth Science and Technology, Yokosuka, Japan
 
In situ rock strength and far field stress in the Nankai accretionary complex: Integration of downhole data from multiple wells (13362)
Katelyn Allison Huffman, Pennsylvania State University Main Campus, University Park, PA, United States and Demian M Saffer, Pennsylvania State University, University Park, United States
 
Paleostress analysis of a subduction zone megasplay fault - An example from the Nobeoka Thrust, Japan (15336)
Ryoji Kawasaki1, Mari Hamahashi1, Yoshitaka Hashimoto2, Makoto Otsubo3, Asuka Yamaguchi4, Yujin Kitamura5, Jun Kameda6, Yohei Hamada7, Rina Fukuchi1 and Gaku Kimura1, (1)University of Tokyo, Bunkyo-ku, Japan, (2)Kochi University, Kochi, Japan, (3)Geological Survey of Japan, AIST, Tsukuba, Japan, (4)University of Tokyo, Atmosphere and Ocean Research Institute, Kashiwa, Japan, (5)Kagoshima University, Kagoshima, Japan, (6)Hokkaido University, Sapporo, Japan, (7)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kochi Institute for Core Sample Research, Nankoku, Japan
 
Deformation-induced diagenesis and microbial activity in the Nankai accretionary prism (21862)
Vincent Famin1,2, Muriel Andreani3, Anne-Marie Boullier4, Hugues Raimbourg5 and Valerie Magnin4, (1)University of La Réunion - IPGP, Laboratoire Géosciences Réunion, Saint-Denis, France, (2)Université de La Réunion, Laboratoire Géosciences-IPGP, 97744 Saint Denis, France, (3)University Claude Bernard Lyon 1, Villeurbanne, France, (4)ISTerre Institute of Earth Sciences, Saint Martin d'Hères, France, (5)ISTO Institut des Sciences de la Terre d'Orléans, Orléans, France
 
Prehistoric Nankai Greatearthquakes: evidence of turbidites from slope basins in the western Nankai Trough (31995)
Masao Iwai and Munemasa Kobayashi, University of Kochi, Kochi, Japan
 
Ten Years of Slow Slip Events Observed by cGPS Network in the Nicoya Peninsula, Costa Rica (27584)
Yan Jiang, Geological Survey of Canada, Sidney, Canada, Robert McCaffrey, Portland State University, Portland, OR, United States, Timothy H Dixon, University of South Florida, School of Geosciences, Tampa, United States, Rocco Malservisi, University of South Florida, School of Geosciences, Tampa, FL, United States and Marino Protti, Observatorio Vulcanológico y Sismológico de Costa Rica, Heredia, Costa Rica
 
Physical property and Textural transition across the Unconformity and Major Seismic Reflectors in the Upper plate of the Costa Rica Subduction zone offshore Osa Peninsula (21546)
Mari Hamahashi1, Elizabeth Screaton2, Wataru Tanikawa3, Yoshitaka Hashimoto4, Kylara M Martin5, Saneatsu Saito6 and Gaku Kimura1, (1)University of Tokyo, Bunkyo-ku, Japan, (2)Univ Florida, Gainesville, FL, United States, (3)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kochi Institute for Core Sample Research, Nankoku, Japan, (4)Kochi University, Kochi, Japan, (5)Naval Research Laboratory, Stennis Space Center, MS, United States, (6)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Yokosuka, Japan
 
Topographic Regulators of the Seismic Cycle along the Subduction Megathrust (27268)
Christodoulos Kyriakopoulos, Georgia Tech, Atlanta, GA, United States and Andrew Vern Newman, Georgia Institute of Technology, Atlanta, United States
 
Structural interpretation and physical property estimates based on COAST 2012 seismic reflection profiles offshore central Washington, Cascadia subduction zone (29171)
Susanna I Webb1, Harold J Tobin2, Erik D Everson3, Will Fortin4, W Steven Holbrook3, Graham Martin Kent5 and Katie M Keranen6, (1)University of Wisconsin Madison, Madison, WI, United States, (2)University of Washington Seattle, Earth and Space Sciences, Seattle, WA, United States, (3)Univ Wyoming, Laramie, WY, United States, (4)University of Wyoming, Laramie, WY, United States, (5)Organization Not Listed, Washington, DC, United States, (6)Cornell University, Earth and Atmospheric Sciences, Ithaca, NY, United States
 
Using the Vertical Component of the Surface Velocity Field to Map the Locked Zone at Cascadia Subduction Zone (26439)
Evangelos Moulas1, Mark T Brandon2, Yuri Podladchikov1 and Rick A Bennett3, (1)University of Lausanne, Lausanne, Switzerland, (2)Yale University, Earth and Planetary Sciences, New Haven, CT, United States, (3)University of Arizona, Tucson, AZ, United States
 
Can vertical compaction within wedges promote accretion by backthrusts? (25180)
Jessica McBeck, University of Olso, Oslo, Norway, Michele L Cooke, University of Massachusetts Amherst, Earth, Geographic and Climate Sciences, Amherst, United States, Justin W Herbert, University of Massachusetts Amherst, Amherst, MA, United States and Elizabeth H Madden, University of Massachusetts Amherst, Amherst, United States
 
Detailed Velocity and Density models of the Cascadia Subduction Zone from Prestack Full-Waveform Inversion (31011)
Will Fortin1, W Steven Holbrook2, Subhashis Mallick1, Erik D Everson2, Harold J Tobin3 and Katie M Keranen4, (1)University of Wyoming, Laramie, WY, United States, (2)Univ Wyoming, Laramie, WY, United States, (3)University of Washington Seattle, Earth and Space Sciences, Seattle, WA, United States, (4)Cornell University, Earth and Atmospheric Sciences, Ithaca, NY, United States
 
Along-Trench Structural Variations, Seamount Subduction, and Inter-Seismic Coupling at the Central Ecuador Convergent Margin (4346)
Eddy Sanclemente, Escuela Superior Politécnica del Litoral (ESPOL), Guayaquil, Ecuador, Jean-Yves Collot, UMR-082 GEOAZUR (CNRS-IRD-UNS-OCA), Valbonne, France and Alessandra Ribodetti, Université Côte d’Azur, CNRS, IRD, Observatoire de la Côte d’Azur, Géoazur, Valbonne, France
 
What controls landward vergence of the accretionary prism offshore northern Sumatra? (14748)
Marina C G Frederik, National Research and Innovation Agency, Research Center for Geological Disaster, Bandung, Indonesia, Sean P S Gulick, University of Texas, Institute for Geophysics, Austin, United States, James A Austin Jr, University of Texas at Austin, Institute of Geophysics, Austin, TX, United States, Nathan L Bangs, University of Texas Institute for Geophysics, Austin, United States and Udrekh Udrekh, Badan Pengkajian dan Penerapan Teknologi, Jakarta, Indonesia
 
P-wave velocity structure offshore central Sumatra: implications for compressional and strike-slip faulting (25225)
Marianne S. Karplus, University of Texas at El Paso, Department of Earth, Environmental, and Resource Sciences, El Paso, TX, United States, Timothy Henstock, University of Southampton, School of Ocean and Earth Science, National Oceanography Centre Southampton, Southampton, United Kingdom, Lisa Clare McNeill, University of Southampton, Ocean and Earth Science, Southampton, SO14, United Kingdom, Peggy Marie Therese Vermeesch, University of Southampton, Southampton, United Kingdom and Penny J Barton, University of Cambridge, Cambridge, United Kingdom
 
Strain Partitioning Along the Maule 2010 Mw 8.8 Maule, Chile earthquake: Geodetic and Seismologic Observations (15772)
Dietrich Lange1, Marcos Moreno2, Jonathan R. Bedford2 and Juan Carlos Baez3, (1)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, (2)Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany, (3)Universidad de Chile, Facultad de Ciencias Físicas y Matemáticas, Santiago de Chile, Chile
 
Modeled Temperatures and Fluid Source Distributions for the Mexico Subduction Zone: Effects of Hydrothermal Cooling and Implications for Plate Boundary Seismic Processes (16779)
Matthew Robert Perry, New Mexico Institute of Mining and Technology, Socorro, NM, United States, Glenn A Spinelli, New Mexico Tech, Socorro, United States and Ikuko Wada, Department of Earth Sciences, Minneapolis, United States
 
Numerical Experiments Into the Style of Accretion and Megathrust Behavior Along the Hikurangi Margin, New Zealand (18659)
Susan M Ellis1, Francesca Ghisetti2, Philip Barnes3, Agnes G Reyes4, Ake Fagereng5, Francis Henrys6, Daniel H N Barker4 and Stuart A Henrys1, (1)GNS Science-Institute of Geological and Nuclear Sciences Ltd, Lower Hutt, New Zealand, (2)TerraGeologica, Christchurch, New Zealand, (3)NIWA National Institute of Water and Atmospheric Research, Wellington, New Zealand, (4)GNS Science, Lower Hutt, New Zealand, (5)Cardiff University, Department of Earth and Environmental Sciences, Cardiff, United Kingdom, (6)Victoria University of Wellington, School of Geography, Environment and Earth Sciences, Wellington, New Zealand
 
Megathrust propagation and accretionary wedge development at the front of a sediment-rich subduction system, central Hikurangi Margin, New Zealand (13856)
Philip Barnes1, Francesca Ghisetti2, Susan M Ellis3, Daniel H N Barker4, Francis Henrys5 and Stuart A Henrys3, (1)NIWA National Institute of Water and Atmospheric Research, Wellington, New Zealand, (2)TerraGeologica, Christchurch, New Zealand, (3)GNS Science-Institute of Geological and Nuclear Sciences Ltd, Lower Hutt, New Zealand, (4)GNS Science, Lower Hutt, New Zealand, (5)Victoria University of Wellington, School of Geography, Environment and Earth Sciences, Wellington, New Zealand
 
Coulomb stress variations associated with slow slip, tectonic tremor, and seismicity along the northern Hikurangi Margin, New Zealand (26244)
Erin K Todd, University of Otago, Dunedin, New Zealand, Charles A Williams Jr, GNS Science-Institute of Geological and Nuclear Sciences Ltd, Lower Hutt, New Zealand, Stephen C Bannister, GNS Science, Lower Hutt, New Zealand, Susan Y Schwartz, University of California Santa Cruz, Earth and Planetary Sciences, Santa Cruz, CA, United States and Laura M Wallace, University of Texas at Austin, Institute for Geophysics, Austin, United States
 
Transient crustal deformation due to slow slip observed on ocean bottom pressure recorders in the Hikurangi margin (14978)
Yoshihiro Ito1, Laura M Wallace2, Stuart A Henrys3, Kimihiro Mochizuki4, Charles A Williams Jr3, Ryota Hino5, Hiroshi Ichihara6, Daisuke Inazu7, Syuichi Suzuki8, Takeo Yagi9, Tatsuya Kubota10, Daisuke Haijima11, Bill Fry3 and Stephen C Bannister12, (1)Kyoto University, Disaster Prevention Research Institute, Kyoto, Japan, (2)University of Texas at Austin, Institute for Geophysics, Austin, United States, (3)GNS Science-Institute of Geological and Nuclear Sciences Ltd, Lower Hutt, New Zealand, (4)University of Tokyo, Earthquake Research Institute, Bunkyo-ku, Japan, (5)Tohoku University, International Research Institute of Disaster Science, Sendai, Japan, (6)JAMSTEC, Yokosuka, Japan, (7)Tokyo University of Marine Science and Technology, Tokyo, Japan, (8)Tohoku University, Graduate School of Science, Sendai, Japan, (9)University of Tokyo, Bunkyo-ku, Japan, (10)Tohoku Univ., Sendai, Japan, (11)Earthquake Research Institute, University of Tokyo, Arakawa-ku, Japan, (12)GNS Science, Lower Hutt, New Zealand
 
Frictional property of rocks in the Izu-Bonin-Mariana Forearc under high temperature and pressure conditions (20622)
Geni Hyodo, Hiroshima University, Higashi-Hiroshima, Japan, Miki Takahashi, Inst Adv Indust Sci & Tech, Tsukuba, Japan, Saneatsu Saito, JAMSTEC, Yokosuka, Japan and Takehiro Hirose, JAMSTEC, Kochi Institute for Core Sample Research, Nankoku, Japan
 
High-Velocity Frictional Properties of Basalt-Derived Fault Rocks (20864)
Tsubasa Saito1, Kohtaro Ujiie1 and Akito Tsutsumi2, (1)University of Tsukuba, Tsukuba, Japan, (2)Kyoto University, Kyoto, Japan
 
Effect of Metasomatic Alteration on Frictional Behavior of Subduction Megathrusts (27482)
Ken-ichi Hirauchi, Shizuoka University, Shizuoka, Japan, Yuzuru Yamamoto, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, Sabine A.M. Den Hartog, Pennsylvania State University Main Campus, University Park, PA, United States and Christopher James Spiers, Utrecht University, High Pressure & Temperature Laboratory, Earth Sciences, Utrecht, Netherlands
 
A geological evidence of very low frequency earthquake inferred from vitrinite thermal records across a microfault within on-land accretionary complex. (19801)
Kiyohiko Morita1, Yoshitaka Hashimoto2, Takehiro Hirose3, Yohei Hamada3 and Manami Kitamura4, (1)University of Kochi, Kochi, Japan, (2)Kochi University, Kochi, Japan, (3)JAMSTEC, Kochi Institute for Core Sample Research, Nankoku, Japan, (4)Hiroshima University, Higashi-Hiroshima, Japan
 
Contrasting slip zone mineralogy of major thrusts in ancient subduction complexes: examples from the Pasagshak Point Thrust in Alaska and the Nobeoka Thrust in Japan (21150)
Asuka Yamaguchi, Atmosphere and Ocean Research Institute, The University of Tokyo, Kashiwa, Japan, Rina Fukuchi, Atmosphere and Ocean Research Institute University of Tokyo, Tokyo, Japan, Koichiro Fujimoto, Tokyo Gakugei University, Koganei, Japan, Tsuyoshi Ishikawa, JAMSTEC, Nankoku, Kochi, Japan, Yasuhiro Kato, The University of Tokyo, School of Engineering, Tokyo, Japan, Tatsuo Nozaki, JAMSTEC, Yokosuka Kanagawa, Japan, Francesca Meneghini, University of Pisa, Pisa, Italy, Christie D Rowe, Nevada Seismological Laboratory, Reno, United States, Casey A Moore, University of California Santa Cruz, Santa Cruz, CA, United States, Akito Tsutsumi, Kyoto University, Kyoto, Japan and Gaku Kimura, University of Tokyo, Bunkyo-ku, Japan
 
Change in paleo-stress state before and after large earthquake, in the Chelung-pu fault, Taiwan (20098)
Yoshitaka Hashimoto, Kochi University, Kochi, Japan, Tobe Kota, University of Kochi, Kochi, Japan, En-Chao Yeh, National Taiwan Normal University, Department of Earth Sciences, Taipei, Taiwan and Weiren Lin, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan
 
The foreshock sequence of large earthquakes: slow slip or cascade triggering? (20866)
Hui Huang1,2 and Lingsen Meng2, (1)UCLA, Los Angeles, United States, (2)University of California Los Angeles, Los Angeles, CA, United States
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