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Earthquake activity in the Torishima Rift and Sofu Seamount, and its relationship to the October 2023 tsunamis in Japan

Abstract An increase in seismic activity was observed near the Izu-Torishima and Sofugan islands in the Izu-Ogasawara arc of Japan in early October 2023. Several M6-class earthquakes occurred from October 3 to 6, and tsunamis were recorded on October 5 and 6, associated with M6-class normal faulting...

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Main Authors: Koichiro Obana, Aki Ito, Toshiya Fujiwara, Masayuki Obayashi, Kentaro Imai, Yasuyuki Nakamura, Kenta Yoshida, Noriko Tada, Tomoya Nakajima, Hiroyuki Matsumoto, Gou Fujie, Satoru Tanaka, Shigeaki Ono, Shuichi Kodaira
Format: Artigo
Language:Inglês
Published: SpringerOpen 2025-04-01
Series:Earth, Planets and Space
Subjects:
Torishima Rift
Sofu Seamount
Sofugan
Izu-Torishima
Back-arc rift
Izu-Ogasawara (Bonin) arc
Online Access:https://doi.org/10.1186/s40623-025-02185-x
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