[E] Online Poster
S (Solid Earth Sciences ) » S-CG Complex & General
Tue. May 23, 2023 1:45 PM - 3:15 PM Online Poster Zoom Room (4) (Online Poster)
convener:Tomohiro Ohuchi(Geodynamics Research Center, Ehime University), Saeko Kita(International Institute of Seismology and Earthquake Engineering, BRI), Marina Manea(Computational Geodynamics Laboratory, Geosciences Center, National Autonomous University of Mexico), Kurama Okubo(National Research Institute for Earth Science and Disaster Resilience)
On-site poster schedule(2023/5/24 17:15-18:45)
At depths exceeding 30 km, where the pressure reaches >1 GPa, many regular earthquakes and slow slip events occur within/above subducting slabs. It remains to be fully revealed that the intraslab earthquakes at such high pressures are described with frictional processes commonly used to model crustal earthquakes. It has long been believed that breakdown of hydrous minerals and pressure-induced phase transitions of major minerals could trigger intraslab earthquakes. Aqueous fluid released from the hydrous minerals seem to be related with slow slip events and some earthquakes. However, our understanding of the link between such microscopic phenomena and macroscopic earthquakes is still poor. The purpose of this session is to share constraints and advances in the understanding of the mechanisms controlling the occurrence of intraslab earthquakes. We seek to formulate future directions of the interdisciplinary study of the occurrence of intraslab earthquakes from the viewpoint of seismology, geodynamics and mineral physics. We welcome presentations from a wide variety of scientific disciplines, including observational and theoretical seismology, seismotectonics, geodynamics, mineral and rock physics, geology, and numerical modeling. Studies related to the thermal and tectonic structures of the subducting slab are also welcomed.
1:45 PM - 3:15 PM
*Audrey Chouli1, David Marsan1, Sophie Giffard-Roisin1, Anne Socquet1 (1.Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, IRD, Univ. Gustave Eiffel, ISTerre, 38000 Grenoble, France)
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1:45 PM - 3:15 PM
Wahyudi Nasrul Pratama2,1, *Saeko Kita2,3, Kazutoshi Imanishi4 (1.BMKG, Indonesia, 2.GRIPS, 3.IISEE, Building Research Insitute, 4.AIST)
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1:45 PM - 3:15 PM
*Tomoya Muramoto1,2, Yoshihiro Ito1, Ayumu Miyakawa3, Noriyuki Furuichi2 (1.Research Center for Earthquake Hazards, Disaster Prevention Research Institute, Kyoto University, 2.National Metrology Institute of Japan (NMIJ), National Institute of Advanced Industrial Science and Technology (AIST), 3.Geological Survey of Japan (GSJ), National Institute of Advanced Industrial Science and Technology (AIST))
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1:45 PM - 3:15 PM
*Marina Manea1,2, Vlad Constantin Manea1,2, Shoichi Yoshioka2,3, Erika Jessenia Moreno2, Nobuaki Suenaga2 (1.Computational Geodynamics Laboratory, Centro de Geociencias, Universidad Nacional Autónoma de México, Campus Juriquilla, Querétaro, 76230, México, 2.Research Center for Urban Safety and Security, Kobe University, Kobe 657-8501, Japan, 3.Department of Planetology, Graduate School of Science, Kobe University, Kobe 657-8501, Japan)
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1:45 PM - 3:15 PM
*Tetsuya Kubota1, Tomohiro Ohuchi1, Yuji Higo2 (1.Geodynamics Research Center, Ehime University, 2.Japan Synchrotron Radiation Research Institute)
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1:45 PM - 3:15 PM
*Yamato Miyagawa1, Tomohiro Ohuchi1, Yuji Higo2 (1.Geodynamics Research Center, Ehime University, 2.Japan Synchrotron Radiation Research Institute)
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