[S-SS14] Active faults and paleoseismology

Mon. May 26, 2025 10:45 AM - 12:15 PM Exhibition Hall Special Setting (6) (Exhibition Hall 7&8, Makuhari Messe)

convener:Mamoru Koarai(Earth Science course, College of Science, Ibaraki University), Suguru Yabe(National Institute of Advanced Industrial Science and Technology), Kiyokazu Oohashi(National Institute of Advanced Industrial Science and Technology ), Kyoko Kagohara(Yamaguchi University), Chairperson:Suguru Yabe(National Institute of Advanced Industrial Science and Technology), Kiyokazu Oohashi(National Institute of Advanced Industrial Science and Technology)

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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10:45 AM - 11:00 AM

[SSS14-07] Multi-scale seismic reflection profiling across the Miura Peninsula fault system and its western extension in the Sagami Bay

*Tatsuya Ishiyama¹, Hiroshi Sato^1,2, Hideo Saito³, Hirokazu Ishige³, Mamoru Nakata³, Susumu Abe³ (1.Earthquake Research Institute, the University of Tokyo, 2.Center for Integrated Research and Education of Natural Hazards, Shizuoka University, 3.JGI, Inc.)

11:00 AM - 11:15 AM

[SSS14-08] Estimation of earthquake history along the Sagami Trough using marine event deposits

*Juichiro Ashi¹, Masafumi MURAYAMA², RYO NAKANISHI³ (1.The University of Tokyo, 2.Kochi University, 3.Kyoto University)

11:15 AM - 11:30 AM

[SSS14-09] An earthquake and a tsunami may have occurred in the Suruga Bay in the 13th century.

*Shigehiro Fujino¹, Arisa Suwa² (1.Faculty of Life and Environmental Sciences, University of Tsukuba, 2.University of Tsukuba)

11:30 AM - 11:45 AM

[SSS14-10] Geological evidence for repeated slip-to-the-trench style megathrust earthquakes at the Japan Trench

★Invited Papers

*Charlotte Olivia Pizer¹, Ken Ikehara², Myra Keep³, Arata Kioka⁴, Shuichi Kodaira⁵, Ryo Miura⁵, Jasper Moernaut¹, Yasuyuki Nakamura⁵, Michael Strasser¹ (1.Institute of Geology, University of Innsbruck, Austria, 2.National Institute of Advanced Industrial Science and Technology, Japan, 3.School of Earth Sciences, University of Western Australia, Australia, 4.School of Engineering, University of Tokyo, Japan, 5.Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Japan)

11:45 AM - 12:00 PM

[SSS14-11] Mud volcanism and diapirism along the Japan Trench axis: implications for earthquake hydrology

*Myra Keep¹, Troy Rasbury², Cecilia McHugh³, Michael Strasser⁴, Ken Ikehara⁵, Charlotte Pizer⁴, Yasuyuki Nakamura⁶ (1.University of Western Australia, 2.Stony Brook University, USA, 3.Queens College, City University of New York, USA, 4.University of Innsbruck, Austria, 5.National Institute of Advanced Industrial Science and Technology, Japan, 6.JAMSTEC)

12:00 PM - 12:15 PM

[SSS14-12] Tectonic Landforms are Essential for Understanding Distribution of Active Submarine Faults

*Hideaki Goto¹ (1.Graduate School of Humanities and Social Sciences, Hiroshima University)

Session information