예카르마섬
Ekarma
성층화산 · Russia · 1170m
- 화산 유형
- 성층화산
- 국가
- Russia
- 지역
- 북서태평양 / Kuril Volcanic Arc
- 해발
- 1170m
- 좌표
- 48.958, 153.930
- 마지막 분화
- 2010년
- 판구조 환경
- Subduction zone / Intermediate crust (15-25 km)
- 화산 지형
- Composite
- 주요 암석
- Andesite / Basaltic Andesite
지질학적 요약
The small 5 x 7.5 km island of Ekarma lies 8.5 km N of Shiashkotan Island along an E-W-trending volcanic chain extending westward from the central part of the main Kuril Island arc. It is composed of two overlapping basaltic andesite to andesitic volcanoes, the western of which has been historically active. Lava flows radiate 3 km in all directions from the summit of the younger cone to the sea, forming a lobate shoreline. A lava dome that was emplaced during the first historical eruption, in 1776-79, forms the peaked summit of the island.
Wikipedia 요약
영어 요약Ekarma is an uninhabited volcanic island near the center of the Kuril Islands chain in the Sea of Okhotsk in the northwest Pacific Ocean, separated from Shiashkotan Island by the Ekarma Strait. Its name is derived from the Ainu language, from “safe anchorage”.
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분화 이력
상세 타임라인
- 2010년VEI 2관측 기록2010-06-30 ~ 2010-08-10Upper SW flank
- 1980년VEI 1관측 기록1980-05-24 ~ 진행 중
- 1767년VEI 2관측 기록1767 ~ 1769Summit dome
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