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Hunter Island

Estratovolcán · France - claimed by Vanuatu · 297 m

The roughly 1.1 x 0.8 km Hunter Island in the SE New Hebrides arc is shown in this 14 May 2020 PlanetScope satellite image (N is at the top). Several craters have formed across the island and geothermal activity has been noted on the N, NE, and SE coasts.
The roughly 1.1 x 0.8 km Hunter Island in the SE New Hebrides arc is shown in this 14 May 2020 PlanetScope satellite image (N is at the top). Several craters have formed across the island and geothermal activity has been noted on the N, NE, and SE coasts. · Foto: Satellite image courtesy of Planet Labs Inc., 2020 (https://www.planet.com/). · Wikimedia Commons
Tipo
Estratovolcán
País
France - claimed by Vanuatu
Región
Southwestern Pacific Volcanic Regions / Vanuatu Volcanic Arc
Altitud
297 m
Coordenadas
-22.400, 172.050
Última erupción
1903
Contexto tectónico
Subduction zone / Crustal thickness unknown
Forma volcánica
Composite
Roca principal
Andesite / Basaltic Andesite
Resumen geológico

Hunter Island, the SE-most volcano of the New Hebrides arc, is a 1-km-wide island consisting of a composite andesitic-to-dacitic cone topped by explosion craters and a lava dome. The island was named after the English trading ship that reported sighting it in 1798. A 100-m-deep, steep-sided crater occupies the NW part of the island, which contrasts with the southern cone, whose summit is filled by a lava dome. Several poorly documented eruptions have been noted since the 19th century. Large streams of lava were reported to be pouring from two craters on the eastern side of the island in 1895; the latest eruption apparently took place from the northern tip. Fumarolic and solfataric areas are located at the northern tip of the island and the NE and SE coasts.

Resumen de Wikipedia

Resumen en inglés

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.

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Historial de erupciones

Resumen (VEI en el tiempo)
Haga clic en una barra para ver erupciones individuales
1797~1808 · 1 erupciones · VEI máx. ?1829~1839 · 1 erupciones · VEI máx. ?1839~1850 · 1 erupciones · VEI máx. ?1882~1892 · 1 erupciones · VEI máx. ?1892~1903 · 2 erupciones · VEI máx. 017971818185018711892

Línea de tiempo detallada

  1. 1903VEI 0Observado
    1903 – En curso
    Northern tip of island
  2. 1895VEI ?Observado
    1895-11-24 – En curso
    East side
  3. 1892VEI ?Estimación geológica
    1892 – En curso
  4. 1841VEI ?Observado
    1841-03-15 – En curso
  5. 1835VEI ?Observado
    1835 – En curso
  6. 1797VEI ?Estimación geológica
    1797 – En curso

Enlaces externos

⚠ Solo como referencia. No apto para respuesta ante emergencias.