4:15 PM - 4:30 PM
*Hyeong-Oh Cho1, Min-Jee Kang1, Young-Ha Kim1, Seok-Woo Son1, Dong-Chan Hong1, Joonsuk Miguel Kang2 (1.School of Earth and Environmental Sciences, Seoul National University, Seoul, Republic of Korea, 2.Department of the Geophysical Sciences, The University of Chicago )