9:15 AM - 9:30 AM
*Shinsuke Okada1, Shin Koshiya1, Takafumi Endo1, Susumu Sakashita2, Kota Koshika2, Shinji Toda3 (1.Faculty of Science and Engineering, Iwate Univ., 2.Oyo corporation, 3.International Research Institute of Disaster Science, Tohoku Univ.)