11:45 AM - 12:00 PM
*Yuki Suzuki1, Kenji Kawai2, Robert J. Geller1, Kensuke Konishi3 (1.Department of Earth and Planetary Sciences, Graduate School of Science,The University of Tokyo, 2.Department of Earth Science and Astronomy, Graduate School of Arts and Sciences, University of Tokyo, 3.Institute of Earth Sciences, Academia Sinica)