[S-SS14] Fault Rheology and Earthquake Physics

Wed. May 29, 2019 9:00 AM - 10:30 AM A05 (TOKYO BAY MAKUHARI HALL)

convener:Keishi Okazaki(Japan Agency for Marine-Earth Science and Technology), Hideki Mukoyoshi(Department of Geoscience Interdisciplinary Graduate School of Science and Engineering, Shimane University), Hiroyuki Noda(Kyoto University, Disaster Prevention Research Institute), Keisuke Yoshida(Tohoku University), Chairperson:Hideki Mukoyoshi, Shunya Kaneki(Osaka University)

The goal of this session is to integrate theoretical, experimental, observational, and numerical perspectives from various fields such as seismology, geodesy, geology, mineralogy, and so on, to define what is known about earthquake source processes and the physical and chemical elementary processes of faulting. This session welcomes studies that address such issues as pre-, co-, and post-seismic processes, the rheology of seismogenic faults and fault rocks, laboratory experiments on elementary processes, numerical models based on frictional laws, and estimates of the stress field in the seismogenic zones. We also welcome studies on fault-zone drilling projects and in situ stress measurements.

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9:00 AM - 9:15 AM

[SSS14-07] Effect of slickenside on the crustal strength

*Jun-ichi Ando¹, Takayoshi Nagaoka¹, Naotaka Tomioka², Hiroyuki Kagi³, Kaushik Das¹ (1.Department of Earth and Planetary Systems Science, Hiroshima University, 2.Kochi Institute for core sample research, Japan Agency for Marine-Earth Science and Technology, 3.Geochemical Research Center, Graduate School of Science, University of Tokyo)

9:15 AM - 9:30 AM

[SSS14-08] Dehydroxylation kinetics of clay minerals and its application to friction heating along an imbricate thrust in an accretionary prism

★Invited Papers

*Hirokazu Masumoto¹, Jun Kameda¹ (1.Faculty of Science, Hokkaido University)

9:30 AM - 9:45 AM

[SSS14-09] Origin of frictional melt in the Jurassic accretionary complex of the Mino Belt on the basis of trace element and isotope analysis

*Chizuru Ozawa¹, Tsuyoshi Ishikawa², Kohtaro Ujiie¹ (1.University of Tsukuba, 2.JAMSTEC)

9:45 AM - 10:00 AM

[SSS14-10] Geochemical constraint on the origin of albite-bearing black fault rocks in the Kodiak accretionary complex

*Tsuyoshi Ishikawa¹, Asuka Yamaguchi² (1.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 2.AORI, The University of Tokyo)

10:00 AM - 10:15 AM

[SSS14-11] Importance of initial maturity and reaction kinetics on maturation of carbonaceous material and its implications for thermal maturity as a proxy for temperature in estimation of coseismic slip parameters

*Shunya Kaneki¹, Ichiba Tatsuya¹, Shuhei Yamashita¹, Tetsuro Hirono¹ (1.Graduate School of Science, Osaka University)

10:15 AM - 10:30 AM

[SSS14-12] Experimental investigation of cumulative effect on thermal maturation of carbonaceous material as a proxy for earthquake slip

*Tetsuro Hirono¹, Yuhtaro Shimamura¹, Shunya Kaneki² (1.Department of Earth and Space Science, Graduate School of Science, Osaka University, 2.Disaster Prevention Research Institute, Kyoto University)

Session information