*Sakauchi Nono², Michihiko Nakamura², ATSUSHI YASUDA¹, Satoshi Okumura², Naoki Araya², Masato Iguchi³, Daisuke Miki³, Nobuo Geshi⁴ (1.Earthquake Research Institute, University of Tokyo, 2.Division of Earth and Planetary Materials Science, Department of Earth Science, Graduate School of Science, Tohoku University, 3.Sakurajima Volcano Research Center, Disaster Prevention Research Institute, Kyoto University, 4.Geological Survey of Japan, The National Institute of Advanced Industrial Science and Technology)

*Tomofumi Kozono¹, Masato Iguchi², Takahiro Miwa³, Masayuki Maki⁴, Takeshi Maesaka³, Daisuke Miki², Takeshi Nishimura¹ (1.Department of Geophysics, Graduate School of Science, Tohoku University, 2.Sakurajima Volcano Research Center, Disaster Prevention Research Institute, Kyoto University, 3.National Research Institute for Earth Science and Disaster Resilience, 4.Research and Education Center for Natural Hazards, Kagoshima University)

*Takeshi Tameguri¹, Masato Iguchi¹, Masayuki Maki², Haruhisa Nakamichi¹, Daisuke Miki¹ (1.Sakurajima Volcano Research Center,Disaster Prevention Research Institute, Kyoto University, 2.Research Field in Integrated Studies,Kagoshima University)