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Journal Article

Thermal remote sensing reveals communication between volcanoes of the Klyuchevskoy Volcanic Group

Authors

Coppola,  Diego
External Organizations;

Laiolo,  Marco
External Organizations;

/persons/resource/fmassime

Massimetti,  Francesco
2.1 Physics of Earthquakes and Volcanoes, 2.0 Geophysics, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/hainzl

Hainzl,  S.
2.1 Physics of Earthquakes and Volcanoes, 2.0 Geophysics, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

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Shevchenko,  A.V.
2.1 Physics of Earthquakes and Volcanoes, 2.0 Geophysics, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

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Mania,  R.
2.1 Physics of Earthquakes and Volcanoes, 2.0 Geophysics, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Shapiro,  Nikolai M.
External Organizations;

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Walter,  Thomas
2.1 Physics of Earthquakes and Volcanoes, 2.0 Geophysics, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

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5008230.pdf
(Publisher version), 4MB

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Citation

Coppola, D., Laiolo, M., Massimetti, F., Hainzl, S., Shevchenko, A., Mania, R., Shapiro, N. M., Walter, T. (2021): Thermal remote sensing reveals communication between volcanoes of the Klyuchevskoy Volcanic Group. - Scientific Reports, 11, 13090.
https://doi.org/10.1038/s41598-021-92542-z


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5008230
Abstract
Volcanoes are traditionally considered isolated with an activity that is mostly independent of the surrounding, with few eruptions only (< 2%) associated with a tectonic earthquake trigger. Evidence is now increasing that volcanoes forming clusters of eruptive centers may simultaneously erupt, show unrest, or even shut-down activity. Using infrared satellite data, we detail 20 years of eruptive activity (2000–2020) at Klyuchevskoy, Bezymianny, and Tolbachik, the three active volcanoes of the Klyuchevskoy Volcanic Group (KVG), Kamchatka. We show that the neighboring volcanoes exhibit multiple and reciprocal interactions on different timescales that unravel the magmatic system’s complexity below the KVG. Klyuchevskoy and Bezymianny volcanoes show correlated activity with time-predictable and quasiperiodic behaviors, respectively. This is consistent with magma accumulation and discharge dynamics at both volcanoes, typical of steady-state volcanism. However, Tolbachik volcano can interrupt this steady-state regime and modify the magma output rate of its neighbors for several years. We suggest that below the KVG the transfer of magma at crustal level is modulated by the presence of three distinct but hydraulically connected plumbing systems. Similar complex interactions may occur at other volcanic groups and must be considered to evaluate the hazard of grouped volcanoes.