5:15 PM - 6:30 PM
*Akinobu Miyakoshi1, Takeshi Hayashi2, Masafumi Kawai3, Shinichi Kawashima3, Kuniki Kokubun3, Hideki Hamamoto4, Shoichi Hachinohe4 (1.Geological Survey of Japan, AIST, 2.Faculty of Education and Human Studies, Akita University, 3.Civil Engineering Center, Tokyo Metropolitan Government, 4.Research Institute, Center for Environmental Science in Saitama)