[1
]Earth Resources Exploration Research Group, Faculty of Mining and Petroleum Engineering,
Institut Teknologi Bandung; Bandung Indonesia
[2
]Department of Urban Management; Graduate School of Engineering, Kyoto University;
Kyoto Japan
[3
]Graduate School of Advanced Integrated Studies in Human Survivability; Kyoto University;
Kyoto Japan
[4
]Graduate School of Environmental Studies; Tohoku University; Sendai Miyagi Japan
[5
]Consultant; Cupertino; California United States