Volcano Gamchen. Facts
Name: Gamchen
GVP Number: 300210
Synonims: Khamchenskaya, Yuzhny Gamchen, Gamchensky, Gamstchen
Region: Kamchatka Peninsula
Volcanic Zone: Eastern Kamchatka
Coordinates: 54°58'27" N 160°42'12" E
Absolute Elevation: 2576 m
Status: Active
Aviation Color Code: GREEN
Location: Gamchen is on the south of the Gamchen series of volcanoes closing the Eastern volcanic belt of Kamchatka on the north-east. The Gamchen volcanic group is located in a large graben-like NE-striking depression 30-35 km wide in the south and 15-20 km, in the north.
Type: Complex volcano
Composition: andesites, basalts
Last known eruption: 616±127 г. до н.э.

Gamchen consists of four stratovolcanoes: North Gamchen, Molodoy, South Gamchen, Baraniy. There is a shallow crater at the top of Molodoy volcano, and two extrusive domes with short lava flows are located at the eastern foot. Baraniy volcano is not affected by erosion, its crater is a sloping funnel with a diameter of 0.5 km and a depth of 200 m, at its eastern foot there is a newest lava field with an area of 25 sq. km.

Кожемяка Н.Н., Важеевская А.А., Литасов Н.Е. Вулкан Гамчен / Действующие вулканы Камчатки. В 2-х т. Т. 2. М.: Наука. 1991. С. 30-41.
Кожемяка Н.Н., Литасов Н.Е., Важеевская А.А., Пампура В.Д., Антипин В.С., Перепелов А.Б. Геологическое строение, вулканизм и эволюция вещества Кроноцко-Гамченской структуры на Камчатке // Вулканология и сейсмология. 1987. № 3. С. 37-50.
Potencial Hazard
Explosive-effusive eruptions from the summit crater, extrusive domes formation. Potential hazards are explosive-effusive eruptions which produce ash plumes, ash falls, pyroclastic and lava flows and lahars.
Related Resources
Active Volcanoes of Kamchatka and Kuriles
Holocene Kamchatka volcanoes