1. Research Centre for Geotechnology, Indonesian Institute for Sciences (LIPI); Bandung Indonesia
2. Geological Institute, RWTH Aachen University; Aachen Germany
3. GEOMAR Helmholtz-Centre for Ocean Research; Kiel Germany
4. Center for Oceanography and Marine Technology, Surya University; Tangerang Indonesia
5. Now at Center for Environmental Sensing and Modeling, Singapore-MIT Alliance for Research and Technology; Singapore
6. Meteorological Climatological and Geophysical Agency (BMKG); Jakarta Indonesia