*Akio Katsumata¹, Kenji Nakata¹, Kenichi Fujita¹, Masayuki Tanaka¹, Akio Kobayashi¹, Yasuhiro Yoshida² (1.Meteorological Research Institute, Japan Meteorological Agency, 2.Meteorological College, Japan Meteorological Agency)

*Takao Kumazawa¹, Yosihiko Ogata^1,2, Kazuhiro Kimura³, Kenji Maeda³, Akio Kobayashi³ (1.The Institute of Statistical Mathematics, 2.Earthquake Research Institute, 3.Meteorological Research Institute)

*Kenji Nakata¹, Akio Kobayashi¹, Kazuhiro Kimura¹, Hisatoshi Baba², Yutaka Nagaoka³, Hiroaki Tsushima¹, Akio Katsumata¹, Kenji Maeda¹ (1.Seismology and Tsunami Research Department, Meteorological Research Institute, Japan Meteorological Agency, 2.Department of Marine and Earth Science, Tokai University, 3.Volcanology Research Department, Meteorological Research Institute, Japan Meteorological Agency)

*Akio Kobayashi¹, Fuyuki Hirose¹ (1.Meteorological Research Institute, Japan Meteorological Agency)

*Kazuhiro Kimura¹, Akio Kobayashi¹, Minoru Funakoshi² (1.Meteorological Research Institute, 2.Matsushiro Seismological Observatory, Earthquake and Tsunami Observation Division, Seismological and Volcanological Department, Japan Meteological Agency)

*Kazuhiro Kimura¹, Katsuhisa Kawashima², Matsumoto Takane², Akihiko SASAKI³, Tsutomu Iyobe⁴, Masaki Nakahashi⁵, Akio Kobayashi¹ (1.Meteorological Research Institute, 2.Research Institute for Natural Hazards and Disaster Recovery, Niigata University, 3.Faculty of Science, Shinshu University, 4.Graduate School of Engineering, Kyoto University, 5.Japan Meteorological Agency)