1. Centre for Natural Hazards Research Department of Earth Sciences Simon Fraser University Burnaby BC V5A 1S6 Canada
2. School of Ocean Science and Technology Division of Marine Science University of Southern Mississippi Stennis Space Center MS 39529 USA
3. Geological Survey of Japan National Institute of Advanced Industrial Science and Technology (AIST) Tsukuba Japan
4. Department of Geography Faculty of Arts and Social Sciences National University of Singapore Singapore Singapore
5. Department of Geology Humboldt State University Arcata CA 95521 USA
6. Asian School of the Environment Nanyang Technological University Singapore Singapore
7. Earth Observatory of Singapore Nanyang Technological University Singapore Singapore