4:30 PM - 4:45 PM
*Yoshiaki KON1, Ki-cheoul SHIN2, Mihoko HOSHINO1, Kenzo SANEMATSU1, Nobuyuki OKAMOTO3, Nobuhiko YANO3, Mikiya TANAKA4, Tetsuichi TAKAGI1 (1.Geological Survey of Japan, AIST, 2.Research Institute for Humanity and Nature, 3.JOGMEC, 4.Research Institute for Environmental Management Technology, AIST)