There is possibly a catastrophic eruption with volcano edifice destruction, formation of debris avalanche, pyroclastic flows, large ash falls. Possible estimate of this event is VEI is 4-5.

It is a conical stratovolcano with a small lava dome at the summit.

Volcano is situated on the western slope of the southern part of Tumrok ridge in 115 km from Milkovo and in 265 km from Petropavlovsk-Kamchatsky.