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아순시온섬

Asuncion

성층화산 · United States · 857m

An aerial view from the SW shows the upper slopes of Asuncion in the northern Mariana Islands. It forms a circular 3-km-wide island that has had no permanent residents since the late 17th century. An explosive eruption in 1906 produced lava flows that descended about halfway down the W and S flanks.
An aerial view from the SW shows the upper slopes of Asuncion in the northern Mariana Islands. It forms a circular 3-km-wide island that has had no permanent residents since the late 17th century. An explosive eruption in 1906 produced lava flows that descended about halfway down the W and S flanks. · 사진: Photo by Richard Moore, 1992 (U.S. Geological Survey). · Wikimedia Commons
화산 유형
성층화산
국가
United States
지역
Northwestern Pacific Volcanic Regions / Mariana Volcanic Arc
해발
857m
좌표
19.671, 145.406
마지막 분화
1906년
판구조 환경
Subduction zone / Crustal thickness unknown
화산 지형
Composite
주요 암석
Andesite / Basaltic Andesite
지질학적 요약

A single large asymmetrical stratovolcano forms 3-km-wide Asuncion Island. The steeper NE flank terminates in high sea cliffs, while the gentler SW flanks have low-angle slopes bounded by sea cliffs only a few meters high. The southern flank is cut by a large landslide scar. The S and W flanks are covered by ash deposits. An explosive eruption in 1906 produced lava flows that descended about halfway down the W and SE flanks, but several other eruption reports are of uncertain validity.

Wikipedia 요약

영어 요약

Asuncion is an island in the Mariana Islands chain in the Pacific Ocean. The island is uninhabited. Asuncion is situated 101 kilometers northwest of Agrihan and 37 km southeast of the Maug Islands. The island is part of the Commonwealth of the Northern Mariana Islands.

Wikipedia · CC BY-SA · 전체 기사 보기

분화 이력

요약 (VEI 시계열)
막대를 클릭하면 개별 분화가 표시됩니다
1690~1713 · 1건 · 최고 VEI ?1760~1784 · 1건 · 최고 VEI 21901~1924 · 2건 · 최고 VEI 216901737180718541901

상세 타임라인

  1. 1924년VEI 2지질학적 추정
    1924 ~ 진행 중
  2. 1906년VEI 2관측 기록
    1906 ~ 진행 중
    Upper SE and W flanks
  3. 1775년 (±10년)VEI 2지질학적 추정
    1775 ~ 진행 중
  4. 1690년 (±10년)VEI ?지질학적 추정
    1690 ~ 진행 중

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