*Takeshi Tameguri¹, Hiroshi Yakiwara², Tomoki Tsutsui¹, Masato Iguchi¹ (1.Sakurajima Volcano Research Center,Disaster Prevention Research Institute, Kyoto University, 2.Graduate School of Science and Engineering, Kagoshima University)

Naori Morimoto¹, *Kazuo Nakahigashi¹, Seishiro Furuyama¹, Yusuke Yamashita², Yukihiro Nakatani³, Shuichiro Hirano³, Hiroshi Yakiwara³, Hiroki Miyamachi³, Takeshi Matsushima⁴, Tomoaki Yamada⁵, Masanao Shinohara⁵ (1.Tokyo University of Marine Science and Technology, 2.Disaster Prevention Research Institute, Kyoto University, 3.Kagoshima University, 4.Institute of Seismology and Volcanology, Faculty of Science, Kyushu University, 5.Earthquake Research Institute, University of Tokyo)