*Takehiro Arai¹, Yoshiko Ogawa¹, Yasuhiro Hisada¹, Hirohide Demura¹, Taku Ozawa², Satoshi Miura³ (1.The University of Aizu, 2.Graduate school of Science and Faculty of Science, Tohoku Univeristy, 3.National Research Institute for Earth Science and Disaster Resilience)