*Kei Katsumata¹, Masao Nakatani² (1.Institute of Seismology and Volcanology, Hokkaido University, 2.Earthquake Research Institute, the University of Tokyo)

Akimasa Ishida¹, Bennie Liebeberg², Michael Rickenbacher³, Siyanda Mngadi⁴, Harumi Kato⁵, Shuhei Abe⁶, Yasuo Yabe⁶, *Kosuke Sugimura¹, Taku Noda¹, Akio Funato⁷, Takatoshi Ito⁸, Masao Nakatani⁹, Anthony K Ward¹⁰, Raymond J Durrheim¹¹, Hiroshi Ogasawara¹², Tatsunari Yasutomi¹³ (1.Graduate school of science and engineering, Ritsumeikan, 2.Moab Khotsong mine, Anglogold Ashanti, South Africa, 3.ETH Zurich, Switzerland, 4.University of the Witwatersrand, South Africa, 5.3D Geoscience, Tokyo, Japan, 6.Graduate School of Science, Tohoku University, 7.Fukada Geological Institute, Tokyo, Japan, 8.Fluid Science Institute, Tohoku University, 9.Earthquake Research Institute, the university of tokyo, Japan, 10.Seismogen CC, Carletonville, South Africa, 11.School of Geoscience, University of Witwatersrand, 12.college of Science and Engineer, Ritsumeikan University, 13.Kyoto University)

Akimasa Ishida¹, Bennie Liebeberg², Michael Rickenbacher³, Siyanda Mngadi⁴, Harumi Kato⁵, Shuhei Abe⁶, Yasuo Yabe⁶, *Kosuke Sugimura¹, Taku Noda¹, Akio Funato⁷, Takatoshi Ito⁸, Masao Nakatani⁹, Anthony K Ward¹⁰, Raymond J Durrheim¹¹, Hiroshi Ogasawara¹², Tatsunari Yasutomi¹³ (1.Graduate school of science and engineering, Ritsumeikan, 2.Moab Khotsong mine, Anglogold Ashanti, South Africa, 3.ETH Zurich, Switzerland, 4.University of the Witwatersrand, South Africa, 5.3D Geoscience, Tokyo, Japan, 6.Graduate School of Science, Tohoku University, 7.Fukada Geological Institute, Tokyo, Japan, 8.Fluid Science Institute, Tohoku University, 9.Earthquake Research Institute, the university of tokyo, Japan, 10.Seismogen CC, Carletonville, South Africa, 11.School of Geoscience, University of Witwatersrand, 12.college of Science and Engineer, Ritsumeikan University, 13.Kyoto University)

*Shou Morita¹, Masao Nakatani², Kosuke Heki¹, Toru Mogi³ (1.Graduate School of Science, Hokkaido University, 2.Earthquake Research Institute,The University of Tokyo., 3.Faculty of Engineering, Hokkaido University)