Area of the lava body is 4 km²; average thickness is ~150 m. Volume of erupted medium-K andesite-dacite is estimated at 0.5-0.6 km³. The erupion took place ~4.2 ka BP as suggested by the stratigraphic position of its tephra and a radiocarbon date obtained below the latter. The eruption produced also a minor tephra fall

Braitseva O.A., Ponomareva V.V., Melekestsev I.V., Sulerzhitskiy L.D., Pevzner M.M. Holocene Kamchatka volcanoes. 2002.