1. Department of Earth Sciences Bullard Laboratories University of Cambridge Cambridge UK
2. Indonesian Agency for Meteorology, Climatology, and Geophysics (BMKG) Jakarta Indonesia
3. ETH Zürich Zurich Switzerland
4. Mondaic AG Zurich Switzerland
5. Australian National University Canberra Australia
6. Faculty of Mining and Petroleum Engineering Global Geophysics Research Group Institut Teknologi Bandung Bandung Indonesia
7. Faculty of Engineering Maranatha Christian University Bandung Indonesia