Japan Geoscience Union Meeting 2019

Session information

[J] Oral

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

[S-CG61] Dynamics in mobile belts

Mon. May 27, 2019 1:45 PM - 3:15 PM Convention Hall A (2F)

convener:Yukitoshi Fukahata(Disaster Prevention Research Institute, Kyoto University), Toru Takeshita(Department of Natural History Sciences, Graduate School of Science, Hokkaido University), Hikaru Iwamori(Geochemical Evolution Research Program, Japan Agency for Marine-Earth Science and Technology), Chairperson:Toru Takeshita, Kenta Kobayashi

The dynamic behaviours of mobile belts are expressed across a wide range of time scales, from the seismic and volcanic events that impact society during our lifetimes, to orogeny and the formation of large-scale fault systems which can take place over millions of years. Deformation occurs on length scales from microscopic fracture and flow to macroscopic deformation to plate-scale tectonics. To gain a physical understanding of the dynamics of mobile belts, we must determine the relationships between deformation and the driving stresses due to plate motion and other causes, which are connected through the rheological properties of the materials. To understand the full physical system, an integration of geophysics, geomorphology, and geology is necessary, as is the integration of observational, theoretical and experimental approaches. In addition, because rheological properties are greatly affected by fluids in the crust and fluid chemical reactions, petrological and geochemical approaches are also important. After the 2011 great Tohoku-oki earthquake, large-scale changes in seismic activity and regional scale crustal deformation were observed, making present-day Japan a unique natural laboratory for the study of the dynamics of mobile belts. This session welcomes presentations from different disciplines, such as seismology, geodesy, tectonic geomorphology, structural geology, petrology, and hydrology, as well as interdisciplinary studies, that relate to the dynamic behaviours of mobile belts.

2:00 PM - 2:15 PM

*Satoshi Matsumoto1, Yoshihisa Iio2, Shin'ichi Sakai3, Aitaro Kato3, Takuo Shibutani2, Yuto Hayashida4, Group for 0.1 manten Hyper dense seismic observation (1.Institute of Seismology and Volcanology, Faculty of Sciences, Kyushu University, 2.Disaster Prevention Reasearch Institute, Kyoto University, 3.Earthquake Research Institute, University of Tokyo, 4.Graduate School of Science, Kyushu University)

2:15 PM - 2:30 PM

*Yuto Hayashida1, Satoshi Matsumoto2, Yoshihisa Iio3, Shin'ichi Sakai4, Aitaro Kato4, Group for "0.1 Manten" hyper dense seismic observation Group registration (1.Department of Earth and Planetary Sciences, Graduate School of Science, Kyushu University, 2.Institute of Seismology and Volcanology, Faculty of Sciences, Kyushu University, 3.Disater Prevention Research Institute, Kyoto University, 4.Earthquake Research Institute, the University of Tokyo)

2:45 PM - 3:00 PM

*Ayaho Mitsuoka1, Satoshi Matsumoto2, Azusa Shito2, Yusuke Yamashita3, Manami Nakamoto4, Masahiro Miyazaki3, Shin'ichi Sakai5, Yoshihisa Iio3, Group for urgent joint seismic observation of the 2016 Kumamoto earthquake (1.Department of Earth and Planetary Sciences, Graduate School of Science, Kyushu University, 2.Institute of Seismology and Volcanology, Faculty of Sciences, Kyushu University, 3.Disaster Prevention Research Institute, Kyoto University, 4.Association for the Development of Earthquake Prediction, 5.Earthquake Research Institute, The University of Tokyo)

3:00 PM - 3:15 PM

*Toru Takeshita1, Dong Van Bui1, Thomas Anthony Czertowicz1, Shun Arai2, Takafumi Yamamoto3, Jun-ichi Ando3, Norio Shigematsu4, Koichiro Fujimoto5 (1.Department of Natural History Sciences, Graduate School of Science, Hokkaido University, 2.Department of Earth Science, Graduate School of Science, Tohoku University, 3.Department of Earth and Planetary Systems Science, Hiroshima University, 4.AIST, 5.Tokyo Gakugei University)

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