4:30 PM - 4:45 PM
*Yasuhisa Tajima1, Setsuya Nakada2, Masashi NAGAI2, Fukashi Maeno3, Jun Oikawa3, Teruki Oikawa4, Yasuo Miyabuchi5, Toshiaki Hasenaka5, Masataka Kawaguchi5 (1.NIPPON KOEI CO.,LTD., 2.NIED, 3.ERI, the Univ. Tokyo, 4.Geological Survey of Japan, AIST, 5.Kumamoto Univ.)