*Hiroshi OGASAWARA¹, Yasuo YABE², Takatoshi ITO², ASWEGEN, Gerrie VAN³, Artur CICHOWICZ⁴, Raymond DURRHEIM⁵, Related meeting PARTICIPANTS⁶ (1.Ritsumeikan Univ., 2.Tohoku Univ., 3.Inst. Mine Seismology, South Africa, 4.Council for Geoscience, South Africa, 5.CSIR / Witwatersrand Univ., South Africa, 6.Participants of J-DESC SATREPS WS and related meetings)