*Fernando Lawrens Hutapea^1,2,3、Takeshi Tsuji^1,2,4、Eiichi Asakawa⁵、Masafumi Kato⁶ (1.Department Earth Resources Engineering, Kyushu University, Japan、2.International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University, Japan、3.Exploration and Engineering Seismology Research Group, Institute Technology of Bandung (ITB), Indonesia、4.Disaster Prevention Research Institute, Kyoto University, Japan、5.JGI, Inc. Japan、6.Japan Oil Gas and Metals National Corporation (JOGMEC), Japan)