Tolbachik, 1975-1976

The Large Tolbachik fissure eruption ran in Kamchatka from 6 July 1975 to 10 December 1976, and its onset was correctly predicted beforehand. It built monogenetic scoria cones close to 300 m high along with lava tubes and basalt sheets up to 80 m thick covering more than 40 square kilometres. The summit caldera of Plosky Tolbachik subsided by more than 400 m, leaving an inner crater 350 to 400 m across.

Eruption start

1975-06-28

Eruption end

1976-12-10

Volcanic Explosivity Index (VEI)

4

Volcano

Tolbachik

GVP volcano page

volcano.si.edu/volcano.cfm?vn=300240

Category: Disasters & Incidents

Tags: kamchatka, fissure eruption, basalt, caldera subsidence

Coordinates: 55.832, 160.326

Part of Volcanic eruptions of VEI 4 from 1960 to 1989

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