[S06] PM-1

[S06-02] Estimation of P-wave velocity and Vp/Vs structure of upper crust off Sanriku, Japan by distributed acoustic sensing data

*Shun FUKUSHIMA^1,2, Masanao SHINOHARA², Kimihiro Mochizuki², Tomoaki Yamada², Ryota Hino³, Ryosuke Azuma³, Yoshihiro Ito⁴, Yusuke Yamashita⁴ (1. Department of Earth and Planetary Science, The University of Tokyo, 2. Earthquake Research Institute,The University of Tokyo, 3. Research Center for Prediction of Earthquake and Volcanic Eruption, Graduate School of Science, Tohoku UniversityEarthquake and Volcanic Eruption, Graduate School of Science, Tohoku University, 4. Disaster Prevention Research Institute, Kyoto University)