*Gabriela Nogo Retnaningtyas Bunga Naen^1,2, Atsushi Toramaru², Geri Agroli³, Indyo Pratomo⁴, Estu Kriswati¹, Haryo Edi Wibowo⁵, Noriyoshi Tsuchiya³ (1.Research Center for Geological Disaster, National Research and Innovation Agency of Republic Indonesia (BRIN), Bandung, Indonesia, 2.Department of Earth and Planetary Sciences, Kyushu University, Fukuoka, Japan, 3.Graduated School of Environmental Studies, Tohoku University, Sendai, Japan, 4.Geological Agency of Indonesia, Bandung, Jawa Barat, Indonesia, 5.Geological Engineering Department, Universitas Gadjah Mada, Yogyakarta, Indonesia)

*Selvia Novianti¹, Atsushi Toramaru¹ (1.Department of Earth and Planetary Science, Graduate School of Science, Kyushu University)

*Chinatsu Kanazawa¹, Atsushi Toramaru², Takayuki Nakatani³, Keiko Matsumoto³ (1.Department of Earth and Planetary Sciences, Graduate School of Science, Kyushu University, 2.Department of Earth and Planetary Sciences, Faculty of Science, Kyushu University, 3.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology)

*Atsushi Toramaru¹ (1.Department of Earth and Planetary Sciences, Faculty of Sciences, Kyushu University)