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Suretamatai

복합화산 · Vanuatu · 921m

The southern two-thirds of Vanua Lava Island is seen in this NASA International Space Station image. Suretamatai volcano forms much of the island, with the most recent activity occurring in the northern part of the island near the area with small clouds at the top of the image. The Pleistocene Ngéré Kwon volcano forms the peninsula at the bottom of the image, and small offshore islands to the right are uplifted reef limestones. Activity that began during the 19th century has consisted of moderate explosive eruptions.
The southern two-thirds of Vanua Lava Island is seen in this NASA International Space Station image. Suretamatai volcano forms much of the island, with the most recent activity occurring in the northern part of the island near the area with small clouds at the top of the image. The Pleistocene Ngéré Kwon volcano forms the peninsula at the bottom of the image, and small offshore islands to the right are uplifted reef limestones. Activity that began during the 19th century has consisted of moderate explosive eruptions. · 사진: NASA International Space Station image ISS006-E-40035, 2003 (http://eol.jsc.nasa.gov/). · Wikimedia Commons
화산 유형
복합화산
국가
Vanuatu
지역
Southwestern Pacific Volcanic Regions / Vanuatu Volcanic Arc
해발
921m
좌표
-13.800, 167.470
마지막 분화
1966년
판구조 환경
Subduction zone / Intermediate crust (15-25 km)
화산 지형
Composite
주요 암석
Andesite / Basaltic Andesite
지질학적 요약

Suretamatai volcano (also known as Soritimeat) forms much of Vanua Lava Island, one of the largest of Vanuatu's Banks Islands. The younger lavas overlie a number of small older stratovolcanoes that form the island. In contrast to other large volcanoes of Vanuatu, the dominantly basaltic-to-andesitic Suretamatai does not contain a youthful summit caldera. A chain of small stratovolcanoes oriented along a NNE-SSW line gives the low-angle volcano an irregular profile. The youngest cone, near the northern end of the chain, is the largest and contains a lake of variable depth within its 900-m-wide, 100-m-deep summit crater. Activity reported during the 19th century consisted of moderate explosive eruptions.

분화 이력

요약 (VEI 시계열)
막대를 클릭하면 개별 분화가 표시됩니다
1841~1853 · 1건 · 최고 VEI ?1853~1866 · 2건 · 최고 VEI 21953~1965 · 1건 · 최고 VEI 218411866190319281953

상세 타임라인

  1. 1965년VEI 2관측 기록
    1965-08-09 ~ 1966-07-02
    NW flank
  2. 1861년VEI 2관측 기록
    1861 ~ 진행 중
  3. 1856년VEI 2관측 기록
    1856 ~ 진행 중
  4. 1841년VEI ?지질학적 추정
    1841 ~ 진행 중

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