*Takaya Iwasaki¹, Hiroshi Sato², Eiji Kurashimo³, Hirokazu Ishige⁴, Hidehiko Shimizu⁵, Tatsuya Ishiyama³, Takashi Iidaka⁶, Masanao Shinohara³, Shinji Kawasaki⁴, Susumu Abe⁵, Naoshi Hirata³ (1.Association for the Development of Earthquake Prediction, 2.Center for Integrated Research and Education of Natural Hazards, Shizuoka University, 3.Earthquake Research Institute, the University of Tokyo, Tokyo, 4.JGI, Inc., 5.JAPEX, 6.Interfaculty Initiative in Information Studies, the University of Tokyo)