Main Volcanoes Ekarma

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Name: Ekarma
GVP Number: 290270
Synonims: Ekaruma, Ikarma
Region: Kuril Islands
Volcanic Area: Northern Kuriles
Coordinates:
48°56'51" N   153°56'30" E
Absolute Elevation: 1170 m
Status: Active
Aviation Color Code: GREEN
Location: Ekarma volcano occupies the western part of Ekarma Island, located about 8.5 km from Shiashkotan Island
Type: Stratovolcano
Composition: two-pyroxene andesites, andesite-basalts
Recent Known Eruption: 2010/6/16 - 2010/6/30
Description
Ekarma volcano is a slightly truncated cone up to 1170 m high. Numerous lava flows up to 3 km long descend from the top to all directions. The summit crater is sealed with an extrusion dome that completely covers the ridge and gives the apex a pointed shape. The coastline of the volcano has a multi-lobed shape in places: protruding “tongues” are composed of lava flows, and pyroclastic rocks are exposed in the bays between them. The lavas of Ekarma volcano are represented by two-pyroxene andesites and andesite basalts. The apical dome and the last viscous lava flows are composed of more acidic two-pyroxene andesites with a noticeable admixture of hornblende in phenocrysts.

References

Горшков Г.С. Вулканизм Курильской островной дуги / Отв. ред. Рудич К.Н. 1967. 288 с.
Горшков Г.С. Каталог действующих вулканов Курильских островов // Бюллетень вулканологических станций. 1957. № 25. С. 96-178.
Гущенко И.И. Извержения вулканов мира. Каталог / Отв. ред. Рудич К.Н. 1979. 476 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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