Japan Geoscience Union Meeting 2019

Session information

[J] Oral

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

[S-CG57] Structure and evolution of Japanese islands - Formation of island arc systems and earthquake cycles

Wed. May 29, 2019 9:00 AM - 10:30 AM A09 (TOKYO BAY MAKUHARI HALL)

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

Subduction processes such as accretion, back-arc-spreading, and arc-arc collisions have shaped the Japanese island arc. Recent advances in seismic imaging, both passive and controlled source, have produced new images of the crust-mantle structure under Japan and surrounding regions. Through the influence of pre-existing faults and rheological structures, these crust and mantle structures are exerting strong control on active tectonic processes like seismic activity and crustal deformation in the overriding plate. We seek contributions that document and/or model the deformation of the Japanese islands over a variety of time scales from the earthquake cycle to the tectonic evolution of the Japanese island arc, and from a range of research fields including seismology, geology, geochemistry, tectonic geomorphology, and geodynamics. Multidisciplinary studies are encouraged. We also welcome contributions in numerical or analogue geodynamical modeling that explore deformation processes.

10:00 AM - 10:15 AM

*Takaya Iwasaki1, Noriko Tsumura2, Tanio Ito3, Kazunori Arita4, Makoto Matsubara5, Hiroshi Sato1, Eiji Kurashimo1, Naoshi Hirata1, Susumu Abe6, Katsuya Noda7, Akira Fujiwara8, Shinsuke Kikuchi9, Kazuko Suzuki10 (1.Eathquake Research Institute, the University of Tokyo, 2.Graduate School of Science, Chiba University, 3.Association for the Development of Earthquake Prediction, 4.Hokkaido Research Center of Geology, 5.National Research Institute for Earth Science and Disaster Resilience, 6.JAPEX, 7.GEOSYS Inc., 8.JOGMEC, 9.JGI Inc., 10.Schlumberger Ltd.)




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