Japan Geoscience Union Meeting 2023

Session information

[J] Online Poster

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

[S-CG62] Structure, evolution, and deformation of island arcs associated with subduction processes

Thu. May 25, 2023 1:45 PM - 3:15 PM Online Poster Zoom Room (10) (Online Poster)

convener:Tatsuya Ishiyama(Earthquake Research Institute, University of Tokyo), Masahiro Ishikawa(Graduate School of Environment and Information Sciences, Yokohama National University), Masanao Shinohara(Earthquake Research Institute, University of Tokyo), Makoto MATSUBARA(National Research Institute for Earth Science and Disaster Resilience)

On-site poster schedule(2023/5/26 17:15-18:45)

Subduction processes such as accretion, back-arc-spreading, and arc-arc collisions have created overall architectures of the Japanese island arc through geologic time. Recent advances in seismic imaging of crust and mantle by both passive and controlled source have successfully provided plenty of new information on their structural, mechanical, rheological and thermal properties that have presumably strong controls on tectonic activities in the overriding plate including faulting, seismicity and crustal deformation in various timescales. Our goal of this session is to advance the understanding of overriding plate deformation in various timescales based on state-of-the-art results of observational, experimental and modeling studies encompassing both earthquake cycles and tectonic evolution of the Japanese island arc and other plate convergent margins. We welcome contributions from seismology, exploration geophysics, geodesy, tectonic geomorphology, physical geology, petrology, geochemistry, geochronology, rheology and numerical/analogue modeling on deformation processes associated with plate subduction processes and related feedbacks.

1:45 PM - 3:15 PM

*Takaya Iwasaki1, Hiroshi Sato2, Eiji Kurashimo3, Hirokazu Ishige4, Hidehiko Shimizu5, Tatsuya Ishiyama3, Takashi Iidaka3, Masanao Shinohara3, Shinji Kawasaki4, Susumu Abe4, Naoshi Hirata3 (1.Association for the Development of Earthquake Prediction, 2.Shizuoka University Center for Integrated Research and Education of Natural Hazards, 3.Earthquake Research Institute, the University of Tokyo, 4.JGI, Inc., 5.JOGMEC)

1:45 PM - 3:15 PM

*Hiroshi Sato1,2, Susumu Abe3, Takaya Iwasaki4,1, Makoto MATSUBARA5, Tatsuya Ishiyama1, Eiji Kurashimo1, Naoko Kato6, Yoshitaka Nakayama7, Naoshi Hirata1 (1.Earthquake Research Institute, The University of Tokyo, 2.Center for Integrated Research and Education of Natural Hazards, Shizuoka University, 3.JGI. Inc., 4.Association for the Development of Earthquake Prediction, 5.National Research Institute for Earth Science and Disaster Resilience, 6.College of Humanities and Sciences, Nihon University, 7.Japan Organization for Metals and Energy Security)

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