*Kazumi Ito1, Toru Tamura1 (1.Geological Survey of Japan, AIST)
convener:Kazumi Ito(Geological Survey of Japan, AIST), Shin Toyoda(Department of Applied Physics, Faculty of Science, Okayama University of Science), Reisuke Kondo(Educational Development Center, Kogakkan University), Saiko Sugisaki(Geological Survey of Japan, AIST)