6:15 PM - 7:30 PM
*Tomohiro TSUJI1, Michiharu IKEDA1, Akira FURUSAWA2, Chisato NAKAMURA3, Naoki NISHIZAKA4, Kozo ONISHI4 (1.Shikoku Research Institute Inc., 2.Furusawa Geological Survey Inc., 3.Ehime University, 4.Shikoku Electric Power Company Inc.)