Klyuchevskoy

Stratovolcano · 4,754 m · Russia

Klyuchevskoy sits on the Okhotsk Plate, in a subduction zone. 113 eruptions are known since the end of the last ice age, the most recent in 2025. Its major eruptions caused at least 2 deaths.

Elevation: 4,754 m
Type: Stratovolcano
Tectonic Setting: Subduction zone, continental crust
Dominant Rock: Basalt / Picro-Basalt
Plate: Okhotsk Plate
Country: Russia
Last Eruption: 2025
Known Eruptions (Holocene): 113
Max. Explosivity (VEI): 4
Known Fatalities: 2

Eruption Timeline

Each bar is an eruption; its height shows its explosivity (VEI 0 to 8).

Eruption Deadly Eruption (NOAA) Uncertain Date

Wikipedia article

Sources : Global Volcanism Program, 2026. Volcanoes of the World (v. 5.4.0; 7 Aug 2026), Smithsonian Institution, doi:10.5479/si.GVP.VOTW5-2026.5.4 (volcano.si.edu) · NOAA NCEI · USGS · Wikidata

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Klyuchevskoy

Eruption Timeline