Session information

[E] Oral

S (Solid Earth Sciences ) » S-CG Complex & General

[S-CG58] Science of slow earthquakes: Toward unified understandings of whole earthquake process

convener:Satoshi Ide(Department of Earth an Planetary Science, University of Tokyo), Hitoshi Hirose(Research Center for Urban Safety and Security, Kobe University), Kohtaro Ujiie(Graduate School of Life and Environmental Sciences, University of Tsukuba), Takahiro Hatano(Department of Earth and Space Science, Osaka University)

Accumulating observational studies on various types of slow deformation events, such as tectonic tremors, very low frequency events, and slow slip events, portrays some universal characteristics in generally complex behavior, including interaction among events and influence by various outer loadings. Some of these phenomena seem to have causal relation with the occurrence of very large earthquakes. A unified understanding of these slow and fast earthquake processes requires an approach integrating geophysics, seismology, geodesy, geology, and non-equilibrium statistical physics. We welcome presentations based on, but not limited to, geophysical observation, data analysis, analytical theory, numerical simulation, field study, and laboratory experiments.

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[SCG58-20] Deformation of antigorite serpentinite in the base of the shallow wedge mantle and relationship to slow earthquakes

*Kazuyuki Yoshida¹, Takayoshi Nagaya¹, Simon Richard Wallis¹ (1.Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo)

[SCG58-21] Serpentinized shear zones with low frictional strength by grain-boundary sliding of antigorite at the depth of deep SSEs

*Takayoshi Nagaya¹, Simon Richard Wallis¹ (1.Graduate School of Science, The University of Tokyo)

Cancelled

[SCG58-22] Megathrust slip controlled by metasomatic reactions in subduction mélanges

*Kohtaro Ujiie¹, Kazuya Noro¹, Norio Shigematsu², Ake Fagereng³, Naoki Nishiyama¹, Haruna Masuyama¹, Christopher Tulley³, Yasushi Mori⁴, Hiroyuki Kagi⁵ (1.University of Tsukuba, 2.AIST, 3.Cardiff University, 4.Kitakyushu Museum of Natural History and Human History, 5.University of Tokyo)

[SCG58-23] Role of metasomatic reactions on plate-boundary shear localization near mantle wedge corner

*Naoki Nishiyama¹, Kohtaro Ujiie¹, Kazuya Noro¹, Yasushi Mori², Haruna MASUYAMA¹ (1.University of Tsukuba, 2.Kitakyusyu Museum of Natural History & Human History)

[SCG58-24] Stress heterogeneity on shallow decollement controls property of sediments and Very Low Frequency Earthquakes in Nankai Trough

*Yoshitaka Hashimoto¹, Haruki Kuchimoto¹, Shigeyuki Sato¹, Gaku Kimura², Masataka Kinoshita³, Ayumu Miyakawa⁴, Gregory F Moore⁵, Masaru Nakano⁶, Kazuya Shiraishi⁶, Yasuhiro Yamada⁶ (1.Kochi University, 2.TUMSAT, 3.ERI, University of Tokyo, 4.AIST, 5.Hawaii University, 6.JAMSTEC)

[SCG58-25] Rheology of the fluid oversaturated simulated quartz shear zone at the brittle-ductile transition

*Keishi Okazaki¹, Eric Burdette², Greg Hirth² (1.Kochi Insutitute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 2.Department of Earth, Environmental and Planetary Sciences, Brown University)

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