[S-SS10] Active faults and paleoseismology

Fri. May 29, 2026 3:30 PM - 5:00 PM Exhibition Hall Special Setting (6) (Exhibition Hall 7&8, Makuhari Messe)

Chairperson:Oohashi Kiyokazu(National Institute of Advanced Industrial Science and Technology), Kagohara Kyoko(Yamaguchi University)

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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3:30 PM - 3:45 PM

[SSS10-10] High-resolution seismic reflection survey at the Hiuchi-nada and adjacent seas, central part of the Seto Inland Sea, western Japan

★Invited Papers

*Takashi OGAMI¹, Tomoyuki SATO¹, Yukari MIYASHITA¹, Ikuhisa ADACHI², Masashi MATSUDA², Tsubasa SEKIGUCHI², Masayoshi SATO³, Moeko TAKAHATA³, Takashi SATO³ (1. Geological Survey of Japan / AIST, 2. Daiwa Exploraton & Consulting Co., Ltd., 3. Sogo Geophysical Exploration Co., Ltd.)

3:45 PM - 4:00 PM

[SSS10-11] Drilling and trenching surveys at the Nishiyama segment of the Nishiyama fault zone, Fukutsu city, Fukuoka Prefecture

*Kosuke Ota¹, Yukari Miyashita¹, Takashi OGAMI¹, Masayuki Yoshimi¹, tadashi Maruyama¹, Yoshiki Sato², Yuji Ishii¹, Karin Nemoto^1,3, Kaoru Tabata^1,3, Kota Shimogama⁴, Hiroshi Masaeda⁴ (1. Research Institute of Earthquake and Volcano Geology, National Institute of Advanced Industrial Science and Technology, 2. Research Institute of Geology and Geoinformation, National Institute of Advanced Industrial Science and Technology, 3. Atmosphere and Ocean Research Institute, The University of Tokyo, 4. Dia Nippon Engineering Consultants Co., Ltd.)

4:00 PM - 4:15 PM

[SSS10-12] Late Quaternary slip partitioning in the Northwestern Dead Sea Basin

*Amir Sagy¹, Galina Faershtein¹, Yoav Nahamias¹, Tzahi Golan¹, Yael Jacobi¹, Anton Vaks¹ (1. Geological Survey of Israel, Jerusalem)

4:15 PM - 4:30 PM

[SSS10-13] Subduction zone obliquity and rheology dictate global trench-parallel inner forearc deformation and active faulting

*Kristin D Morell¹, Theron Finley², Nicolas Harrichhausen³, Andrew Newman⁴, Kellan Gilroy¹ (1. University of California Santa Barbara, Santa Barbara, CA, USA, 2. Yukon Geological Survey, Whitehorse, Yukon, Canada, 3. University of Alaska, Anchorage, AK, USA, 4. Georgia Tech, Atlanta, GA, USA)

Discussion (4:30 PM - 4:45 PM)

時間調整 (4:45 PM - 5:00 PM)

Session information