[S-TT48] Advancing Earth Science through Fiber Optic Sensing Techniques and Integrated Analysis

[STT48-02] Validation of distributed acoustic sensing for tsunami monitoring using simultaneous pressure gauge observations: a case study of the tsunami by 2025 Kamchatka earthquake.

*Shun Fukushima¹, Masanao Shinohara², Yuichiro Tanioka^1,3, Yusuke Yamanaka^1,3, Yota Atobe⁴, Shinichi S. Tanaka², Hironori Otsuka² (1. Institute of Seismology and Volcanology, Faculty of Science, Hokkaido University., 2. Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University, 3. Center for Natural Hazards Research, Hokkaido University, Sapporo, Hokkaido, Japan, 4. Department of Natural History Sciences, Graduate School of Science, Hokkaido University, Hokkaido, Japan.)

Keywords:Distributed acoustic sensing (DAS), Tsunami monitoring, ocean-bottom pressure gauges