[S-SS10] Active faults and paleoseismology

Fri. Jun 4, 2021 9:00 AM - 10:30 AM Ch.21 (Zoom Room 21)

convener:Mamoru Koarai(Earth Science course, College of Science, Ibaraki University), Yoshiki Shirahama(Advanced Industrial Science and Technology, Geological Survey of Japan, Research Institute of Earthquake and Volcano Geology, Active Fault Research Group), Yoshiki Sato(Advanced Industrial Science and Technology, Geological Survey of Japan), Masayuki Yoshimi(Geological Survey of Japan, AIST), Chairperson:Mamoru Koarai(Earth Science course, College of Science, Ibaraki University), Yoshiki Shirahama(Advanced Industrial Science and Technology, Geological Survey of Japan, Research Institute of Earthquake and Volcano Geology, Active Fault Research Group)

Geologic and historic information on seismic cycles and on the magnitude and source faults of past earthquakes is essential information to understand future large earthquakes. The study of past faulting and seismicity is an important issue for an interdisciplinary community of seismologists, geologists, geomorphologists, archaeologists, and historians.

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9:00 AM - 9:15 AM

[SSS10-01] Introduction

9:15 AM - 9:30 AM

[SSS10-02] Simultaneous rupturing of the Tanna fault and its branch faults in the Kita-Izu fault zone

*Ryuhei Oda¹, Daisuke Ishimura¹, Takehiko Suzuki¹ (1.Tokyo Metropolitan University)

9:30 AM - 9:45 AM

[SSS10-03] Microtremor Array Observation across Active Faults in Ogasawara Iwo-To Island

*Takumi Murakoshi¹, Takayuki Kouno² (1.National Defense Academy, 2.Japan Air Self-Defense Force)

9:45 AM - 10:00 AM

[SSS10-04] Rerationship between earthquake disaster and basement depth due to active faults in Iiyma City, Nagano Prefecture

*Mamoru Koarai¹, Keiichi Takami¹, Naoki Hashikami¹, Takayuki Nakano², Shigeki Senna³ (1.Earth Science course, College of Science, Ibaraki University, 2.Geospatial Information Authority of Japan, 3.National Research Institute of Earth Science and Disaster Resilience)

10:00 AM - 10:15 AM

[SSS10-05] Probing shallow region structure of Atotsugawa fault fracture zone with cosmic-ray muon detector

*Katsuya Yamazaki¹, Akimichi Taketa², Daisuke Ikeda³, Kentaro Omura⁴ (1.College of Engineering, Chubu University, 2.Earthquake Research Institute, the University of Tokyo, 3.Faculty of Engineering, Kanagawa University, 4.National Research Institute for Earth Science and Disaster Resilience)

10:15 AM - 10:30 AM

[SSS10-06] The Quaternary fault outcrop of the Inagoe fault, Furukawa fault zone, in northern part of Gifu Prefecture, central Japan

*Tomonori Tamura¹, Kiyokazu Oohashi¹, Nagisa Maruo¹ (1.Graduate school of Sciences and Technology for Innovation, Yamaguchi University)

Session information