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Pulau Matthew dan Hunter

Matthew Island

Stratovolkan · France - claimed by Vanuatu · 177 m

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. · Foto: Photo by Royal New Zealand Air Force, 1977. · Wikimedia Commons
Tipe
Stratovolkan
Negara
France - claimed by Vanuatu
Wilayah
Southwestern Pacific Volcanic Regions / Vanuatu Volcanic Arc
Ketinggian
177 m
Koordinat
-22.330, 171.320
Letusan terakhir
1956
Kondisi tektonik
Subduction zone / Crustal thickness unknown
Bentuk lahan
Composite
Batuan utama
Andesite / Basaltic Andesite
Ringkasan geologi

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.

Ringkasan Wikipedia

Pulau Hunter dan Pulau Matthew adalah dua pulau kecil dan tinggi yang tidak berpenghuni di Pasifik Selatan. Terletak 300 kilometer timur Kaledonia Baru dan tenggara kepulauan Vanuatu. Pulau Hunter dan Pulau Matthew, terpisah 70 km. Pulau-pulau ini diklaim oleh Vanuatu sebagai bagian dari Provinsi Tafea dan dianggap oleh orang-orang Aneityum sebagai bagian dari kepemilikan adat mereka. Pada tahun 2007 diklaim oleh Prancis sebagai bagian dari Kaledonia Baru.

Wikipedia · CC BY-SA · Baca artikel lengkap →

Riwayat letusan

Ringkasan (VEI dari waktu ke waktu)
Klik pada bar untuk melihat letusan individu
1828~1843 · 1 letusan · VEI maks. ?1946~1961 · 3 letusan · VEI maks. 21961~1976 · 3 letusan · VEI maks. 118281858190219321961

Garis waktu rinci

  1. 1976VEI 1Perkiraan geologi
    1976-11-27 – Berlangsung
  2. 1966VEI ?Perkiraan geologi
    1966-08-16 – Berlangsung
  3. 1963VEI 0Teramati
    1963-09-11 – 1964-07-02
    Norfolk Island Ridge
  4. 1956 (±2 tahun)VEI 0Teramati
    1956-07-02 – Berlangsung
    West-Matthew
  5. 1954VEI 2Teramati
    1954-10-16 – Berlangsung
    West-Matthew (October 1954, not 1953)
  6. 1949VEI 2Teramati
    1949 – Berlangsung
    West-Matthew
  7. 1828VEI ?Perkiraan geologi
    1828-01 – Berlangsung

Tautan eksternal

⚠ Untuk referensi saja. Bukan untuk tanggap darurat.