Institution: | Geophysical Service, Russian Academy of Sciences, Petropavlovsk-Kamchatsky, 683006,;Russia. E-mail: Institute of Volcanic Geology and Geochemistry, Far East Division, Russian Academy of Sciences, Petropavlovsk-Kamchatsky, 683006,;Russia Institute of Seismology and Volcanology, Hokkaido University, Sapporo, Japan |