Daiki Kawashima², *Makoto OKUBO¹ (1.Natural Science Cluster, Kochi University, 2.Faculty of Science and Technology, Kochi University)

*CHANGMU LIM¹, Makoto OKUBO² (1.Faculty of Science and Technology, Kochi University, 2.Natural Science Cluster, Kochi University)

*Shigeki Nakagawa¹, Hiroshi Aoyama², Hiroaki Takahashi², Takuto Maeda³, Naoki Uchida⁴, Mare Yamamoto⁴, Hiroshi Tsuruoka¹, Yosuke Aoki¹, Yuta Maeda⁵, Shiro Ohmi⁶, Haruhisa Nakamichi⁶, Makoto OKUBO⁷, Takeshi Matsushima⁸, Hiroshi Yakiwara⁹, Katsuhiko Shiomi¹⁰, Kenji Uehira¹⁰, Hideki Ueda¹⁰, Shigeki Aoki¹¹, Kazuo Ohtake¹², Takeyasu Yamamoto¹³, Ryou Honda¹⁴, Shutaro Sekine¹⁵ (1.Earthquake Research Institute, the University of Tokyo, 2.Hokkaido University, 3.Hirosaki University, 4.Tohoku University, 5.Nagoya University, 6.Kyoto University, 7.Kochi University, 8.Kyushu University, 9.Kagoshima University, 10.National Research Institute for Earth Science and Disaster Resilience, 11.Japan Meteorological Agency, 12.Kakioka Magnetic Observatory JMA, 13.Meteorological Research Institute JMA, 14.Hot Springs Research Institute of Kanagawa Prefecture, 15.Association for the Development of Earthquake Prediction)