Main Volcanoes Kuntomintar

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Name: Kuntomintar
GVP Number: 290808
Synonims: Kitaio, Kita-Iwo-dake, Minami-Iwo-dake
Region: Kuril Islands
Volcanic Area: Northern Kuriles
Coordinates:
48°45'16" N   154°1'1" E
Absolute Elevation: 828 m
Status: Active
Aviation Color Code: GREEN
Location: Kuntomintar volcano occupies the southern part of Shiashkotan Island
Type: Stratovolcano
Composition: two-pyroxene andesites
Recent Known Eruption: 19th century
Description
The volcano has an oval shape in plan size 6 x 7 km with an extension along the axis of the Island - to the northeast. Kuntomintar is a double volcano built according to the Somma-Vesuvius type. The outer somma composes the eastern part of the massif; its southeastern part bears traces of intense glacial erosion. In the northeastern part of the massif, an ancient caldera with a diameter of 4 - 4.5 km is read, buried under the cone of the volcano. In the cliffs, the structure of a stratovolcano with a sharp predominance of pyroclastic rocks is clearly visible. Continuous solfatar activity is noted at the eastern wall of the volcano caldera (Горшков, 1967).

References

Горшков Г.С. Вулканизм Курильской островной дуги / Отв. ред. Рудич К.Н. 1967. 288 с.
Potencial Hazard
Ash clouds, ash falls, pyroclastic flows, hot avalanches and lahars are a potential hazard associated with explosive eruptions of this volcano. The volcano poses a potential hazard to international and local airlines passing in the Kuriles region, since the height of its ash emissions can reach 10-15 km above sea level, ash plumes and clouds can drift hundreds of kilometers from the volcano in different directions. In addition, the outflow of lava flows onto the slopes of the volcano and the surrounding area is possibly.


 

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