10:00 AM - 10:15 AM
*REO IKAWA1, Isao Machida1, Masahiko Ono1, Atsunao Marui1, Takuma HASEGAWA2 (1. Research Institute for Geo-Resources and Environment, Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST), 2.Sustainable System Research Laboratory, Central Research Institute of Electric Power Industry)