1. Department of Earth and Environmental Sciences; Ludwig-Maximilians-Universität München; Munich Germany
2. Centro de Investigación en Gestión de Riesgos y Cambio Climático; Universidad de Ciencias y Artes de Chiapas; Tuxtla Gutiérrez Mexico
3. Institute of Seismology and Volcanology, Faculty of Sciences; Kyushu University; Shimabara Japan
4. Aso Volcanological Laboratory, Institute for Geothermal Sciences, Graduate School of Science; Kyoto University; Kagoshima Japan
5. Sakurajima Volcano Research Center, Disaster Prevention Research Institute; Kyoto University; Kagoshima Japan