1. Kagoshima University
2. Miyazaki Observatory, Disaster Prevention Research Institute, Kyoto University
3. Institute of Seismology and Volcanology, Faculty of Science, Kyushu University
4. Graduate School of Fisheries and Environmental Sciences, Nagasaki University
5. Faculty of Fisheries, Nagasaki University
6. Department of Marine Resources and Energy, Tokyo University of Marine Science and Technology
7. Earthquake Research Institute, the University of Tokyo