Mashkovtsev is a small extinct stratovolcano with a crater at its summit and lateral cinder cones. The eruption that created Mashkovtsev was during the Post-glacial era. Mashkovtsev, also known as Mashkovtseva Sopka, is located south of the mouth of the Kambalnaya River, near the Cape of Lopatka.
Some other volcanoes in this area are: Koshelev, Pauzhetka, Ilyinsky, and Kambalny.
Sources of Information:
Sviatolovsky, A. E. 1959 Atlas of Volcanoes of the Soviet Union, USSR Academy of Sciences, Moscow USSR. p168.
Krijanovsky, N. 1934 Volcanoes of Kamchatka, Geological Society of America Bulletin, Vol.45, p.533.