Japan Geoscience Union Meeting 2018

Session information

[EJ] Oral

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

[S-CG59] Structure and evolution of Japanese islands - Formation of island arc systems and earthquake cycles

Tue. May 22, 2018 9:00 AM - 10:30 AM A05 (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(横浜国立大学大学院環境情報研究院, 共同), Makoto MATSUBARA(National Research Institute for Earth Science and Disaster Resilience), Chairperson:Shinohara Masanao(Earthquake Research Institute, The University of Tokyo), Ishikawa Masahiro(Yokohama National University)

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.

9:00 AM - 9:15 AM

*Hiroshi Sato1, Tatsuya Ishiyama1, Akinori Hashima1, Takaya Iwasaki1, Makoto MATSUBARA2, Masanao Shinohara1, Masahiro Ishikawa3 (1.Earthquake Prediction Research Center, Earthquake Research Institute, The University of Tokyo, 2.National Research Institute for Earth Science and Disaster Resilience, 3.Yokohama National University, School of Environment and Information Sciences )

9:45 AM - 10:00 AM

*Takaya Iwasaki1, Eiji Kurashimo1, Susumu Abe2, Ken Yokota3, Takashi Iidaka1, Hiroshi Katao4, Motonori Higasshinaka3, Kiyoshi Ito5, Naoshi Hirata1, Hiroshi Sato1, Tanio Ito6, Ayako Nakanishi7, Yoshiyuki Kaneda8 (1.Eathquake Research Institute, the University of Tokyo, 2.JAPEX, 3.JGI, Inc., 4.DPRI, Kyoto University, 5.HANSHIN CONSULTANTS Co., Ltd., 6.Meiji University, 7.JAMSTEC, 8.IECMS, Kagawa University)



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