*Masayuki Hyodo¹, Kenta Banjo², Tianshui Yang³, Shigehiro Katoh⁶, Shi Meinan³, Yuki Yasuda⁴, Jun-ichi Fukuda¹, Masako Miki², Balázs Bradák⁵ (1.Research Center for Inland Seas, Kobe University, 2.Department of Planetology, Kobe University, 3.China University of Geosciences, 4.Institute of Seismology and Volcanology, Hokkaido University, 5.Department of Physics, EPS, University of Burgos, 6.Museum of Nature and Human Activities, Hyogo)