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Matthew Island and Hunter Island

Matthew Island

성층화산 · France - claimed by Vanuatu · 177m

Matthew Island is composed of two cones separated by a narrow isthmus. Only the triangular eastern portion of the small, 0.6 x 1.2 km wide island existed prior to the 1940s, after which eruptions began to build the larger western segment (part of which is seen in the photo). The western cone consists primarily of lava flows and contains a crater that is breached to the NW.
Matthew Island is composed of two cones separated by a narrow isthmus. Only the triangular eastern portion of the small, 0.6 x 1.2 km wide island existed prior to the 1940s, after which eruptions began to build the larger western segment (part of which is seen in the photo). The western cone consists primarily of lava flows and contains a crater that is breached to the NW. · 사진: Photo by Royal New Zealand Air Force, 1977. · Wikimedia Commons
화산 유형
성층화산
국가
France - claimed by Vanuatu
지역
Southwestern Pacific Volcanic Regions / Vanuatu Volcanic Arc
해발
177m
좌표
-22.330, 171.320
마지막 분화
1956년
판구조 환경
Subduction zone / Crustal thickness unknown
화산 지형
Composite
주요 암석
Andesite / Basaltic Andesite
지질학적 요약

Matthew Island is composed of two low andesitic-to-dacitic cones separated by a narrow isthmus. The Matthew name originates from an English mariner who sighted the island in 1788. Only the triangular eastern portion of the 0.6 x 1.2 km island was present prior to the 1940s, when construction of the larger western segment began; it consists primarily of lava flows. The western cone contains a crater that is breached to the NW and is filled by a lava flow whose terminus forms the NW coast.

Wikipedia 요약

영어 요약

Matthew Island and Hunter Island are two uninhabited volcanic islands in the South Pacific, 300 kilometres (190 mi) east of New Caledonia and south-east of Vanuatu. The pair, which lie 70 km (43 mi) apart, are claimed by Vanuatu as part of Tafea Province, and considered by the people of Aneityum part of their custom ownership, but also claimed by France as part of New Caledonia.

Wikipedia · CC BY-SA · 전체 기사 보기 →

분화 이력

요약 (VEI 시계열)
막대를 클릭하면 개별 분화가 표시됩니다
1828~1843 · 1건 · 최고 VEI ?1946~1961 · 3건 · 최고 VEI 21961~1976 · 3건 · 최고 VEI 118281858190219321961

상세 타임라인

  1. 1976년VEI 1지질학적 추정
    1976-11-27 ~ 진행 중
  2. 1966년VEI ?지질학적 추정
    1966-08-16 ~ 진행 중
  3. 1963년VEI 0관측 기록
    1963-09-11 ~ 1964-07-02
    Norfolk Island Ridge
  4. 1956년 (±2년)VEI 0관측 기록
    1956-07-02 ~ 진행 중
    West-Matthew
  5. 1954년VEI 2관측 기록
    1954-10-16 ~ 진행 중
    West-Matthew (October 1954, not 1953)
  6. 1949년VEI 2관측 기록
    1949 ~ 진행 중
    West-Matthew
  7. 1828년VEI ?지질학적 추정
    1828-01 ~ 진행 중

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