[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)

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9:00 AM - 9:15 AM

[STT48-13] Characteristics of low frequency earthquakes and monitoring of its activity using distributed acoustic sensing aound the Tsugaru Strait

*Satoru Baba^1,2, Eiichiro Araki², Shinako Noguchi³, Takashi Yokobiki², Tadashi Amano⁴, Toru Sakai⁴, Takuma Sekiguchi⁴ (1. Faculty of Science, Kyushu University, 2. Japan Agency for Marine-Earth Science and Technology, 3. Association for the Development of Earthquake Prediction, 4. Electric Power Development Co.,Ltd.)

9:15 AM - 9:30 AM

[STT48-14] Feasibility of subsurface structure imaging using DAS with fiber optics in the Kinugawa Region

*Shohei Naito¹, Hiromitsu Nakamura¹, Hiroyuki Fujiwara¹, Kimiaki Ochi², Hideo Saito², Hirokazu Ishige², Haruhiko Suzuki³, Naoto Ogawa³, Chisato Konishi³ (1. National Research Institute for Earth Science and Disaster Resilience, 2. JGI, inc., 3. OYO Corporation)

9:30 AM - 9:45 AM

[STT48-15] Rayleigh-wave scattering mean free path estimated from DAS coherence along National Route 47 (NW Miyagi)

*Katsuhiro Yabu¹, Hisashi Nakahara¹, Kentaro Emoto², Takashi Hirose¹, Takeshi Nishimura¹ (1. Graduate School of Science, Tohoku University, 2. Graduate School of Science, Kyushu University)

9:45 AM - 10:00 AM

[STT48-16] Detectability of Seismic Weak Localization with DAS: Simulation and Application at Sakurajima Volcano

*Yoshiaki Nakamura¹, Kentaro Emoto¹, Takeshi Nishimura², Haruhisa Nakamichi³, Hisashi Nakahara², Takashi Hirose², Kimiko Taguchi², Syed Idros Bin Abdul Rahman¹, Kohei Yonemori¹ (1. Kyushu Univ., 2. Tohoku Univ., 3. Kyoto Univ.)

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)

10:15 AM - 10:30 AM

[STT48-18] Moisture-controlled heat diffusion in soil for thermal properties assessment measured using distributed fibre-optic sensing

*Ashis Acharya¹, Yuichi Yoshimura², Nanako Sekiguchi², Hufeng Yang¹, Michio Imai², Fumihiko Ito³, Tetsuya Kogure¹ (1. Kyoto University, 2. Kajima Corporation, 3. Shimane University)

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