1. Trofimuk Institute of Petroleum Geology and Geophysics SB RAS Novosibirsk Russia
2. Novosibirsk State University Novosibirsk Russia
3. Institute of Volcanology and Seismology FEB RAS Petropavlovsk‐Kamchatsky Russia
4. Sobolev Institute of Geology and Mineralogy SB RAS Novosibirsk Russia