Time-lapse monitoring of seismic velocity changes at Sakurajima using DAS-based seismic interferometry

Takashi Hirose

Presentation information

[E] Oral

S (Solid Earth Sciences ) » S-TT Technology & Techniques

[S-TT48] S-TT48 [E] Advancing Earth Science through Fiber Optic Sensing Techniques and Integrated Analysis (Masatoshi Miyazawa)

Fri. May 29, 2026 9:00 AM - 10:30 AM Convention Hall (CH-B) (International Conference Hall, Makuhari Messe)

Chairperson:Tsuji Takeshi(Department of Systems Innovation, the University of Tokyo), Miyazawa Masatoshi(Disaster Prevention Research Institute, Kyoto University)

10:00 AM - 10:15 AM

[STT48-17] Time-lapse monitoring of seismic velocity changes at Sakurajima using DAS-based seismic interferometry

*Takashi Hirose¹, Takeshi Nishimura¹, Hisashi Nakahara¹, Kimiko Taguchi¹, Yoichi Shimomura², Hiroyuki Takizawa², Haruhisa Nakamichi³, Kentaro Emoto⁴, Kohei Yonemori⁴, Syed Idros Bin Abdul Rahman⁴ (1. Graduate School of Science, Tohoku University, 2. Tohoku University Cyberscience Center, 3. Disaster Prevention Research Institute, Kyoto University, 4. Graduate School of Science, Kyushu University)

Keywords:Distributed Acoustic Sensing, seismic velocity change, Sakurajima