10:45 AM - 11:00 AM
*Yasuhiko TAMURA1, Takayuki Takahashi2, Chiaki T OGUCHI3, Naoki MACHIDA4, Takuro Ogura5, Masato Sato6 (1. The Executive Committee for the Preservation of TAYA CAVERN , 2. Risk Evaluation and Disaster Mitigation Research Division, International Research Institute of Disaster Science (IRIDeS), Tohoku University, 3. Department of Civil and Environmental Engineering, School of Environment and Society, Institute of Science Tokyo, 4. Department of Earth and Environmental Sciences, Faculty of Science, Tohoku University, 5. Graduate School of Social Sciences, Hitotsubashi University, 6. National Research Institute for Earth Science and Disaster Resilience)