9:45 AM - 10:00 AM
*Gabriela Nogo Retnaningtyas Bunga Naen1, Atsushi Toramaru1, Tomoharu Miyamoto1, Haryo Edi Wibowo2 (1.Department Earth and Planetary Sciences, Graduate School of Sciences, Kyushu University, Nishiku, 744, Motooka, Fukuoka, 819-0395, Japan, 2.Geological Engineering Department, Universitas Gadjah Mada, 55284, Yogyakarta, Indonesia)