Annakaisa Korja, Marja Uski, ^○Timo Tiira (University of Helsinki, Helsinki, Finland)

^○Teruyuki Kato¹, Hiromu Sakaue², Takuya Nishimura³, Ryoya Ikuta⁴, Yasushi Harada⁵ (1.Earthquake Research Institute, the University of Tokyo, Tokyo, Japan, 2.Graduate School of Science, Kyoto University, Kyoto, Japan, 3.Disaster Prevention Research Institute, Kyoto University, Kyoto, Japan, 4.Institute of Geosciences, Faculty of Science, Shizuoka University, Shizuoka, Japan, 5.School of Marine Science and Technology, Tokai University, Shizuoka, Japan)

^○Sang-Hyun Lee¹, Junkee Rhie¹, Tae-Seob Kang², Seongryong Kim¹, Hyun Jae Yoo², Won Sang Lee³, Yongcheol Park³ (1.Seoul National University, Seoul, Korea, 2.Pukyong National University, Busan, Korea, 3.Korea Polar Research Institute, Incheon, Korea)