*Junya Yamaguchi¹, Makoto Naoi¹, Masao Nakatani², Moriya Hirokazu³, Thabang Kgarume⁴, Toshihiro Igarashi², Osamu Murakami⁵, Thabang Masakale⁶, Yasuo Yabe³, Kenshiro Otsuki³, Hironori Kawakata⁷, Tsuyoshi Ishida¹, Anthony Ward⁸, Ray Durrheim^4,9, Hiroshi Ogasawara⁷ (1.Kyoto University, 2.The University of Tokyo, 3.Tohoku University, 4.CSIR, 5.Tono Research Institute of Earthquake Science, 6.OHMS, 7.Ritsumeikan University, 8.SeismoGen, 9.University of the Witwatersrand, Johannesburg)

*Shuhei Abe¹, Yasuo Yabe¹, Takatoshi Ito², Masao Nakatani³, Gerhard Hofmann⁴, Hiroshi Ogasawara⁵ (1.Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University, 2.Institute of Fluid Science, Tohoku University, 3.Earthquake Research Institute, the University of Tokyo, 4.Senior Mine Seismologist Rock Engineering, 5.Faculty of Science and Engineering, Ritsumeikan University)

*Makiko Ohtani¹, Nobuki Kame¹, Masao Nakatani¹ (1.Earthquake Research Institute, The University of Tokyo)

*Shou Morita¹, Masao Nakatani², Toru Mogi¹ (1.Institute of Seismology and Volcanology, Graduate School of Science, Hokkaido University, 2.Earthquake Research Institute, the University of Tokyo)