1. Institute of Volcanology and Seismology, Far Eastern Branch of the Russian Academy of Sciences, Piip Boulevard 9, Petropavlovsk-Kamchatsky, Russia, 683006
2. Harquail School of Earth Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada
3. Advanced Light Source, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720-8229, USA
4. 514 Queen Elizabeth Drwy, Ottawa, Ontario K1S 3N4, Canada
5. Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Science, 3 Prospekt Koptyuga, 630090 Novosibirsk, Russia
6. Faculty of Geology, Moscow State University, Vorobievy Gory, 119991 Moscow, Russia