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Fonuafo'ou

Estratovolcán · Tonga · 17 m (submarino)

The active crater of Fonuafo'ou (formerly known as Falcon Island) through the SE breach and a plume that is dispersed to the NW by dominant SE Trade Winds. The ephemeral island in the central part of the Tonga Islands had been named after the British vessel H.M.S. Falcon, which reported the shoal in 1865. This volcano has been the site of eruptions on at least two occasions since the 19th century. By 1949 the island had eroded beneath sea level, but the summit of the volcano remains at shallow depths.
The active crater of Fonuafo'ou (formerly known as Falcon Island) through the SE breach and a plume that is dispersed to the NW by dominant SE Trade Winds. The ephemeral island in the central part of the Tonga Islands had been named after the British vessel H.M.S. Falcon, which reported the shoal in 1865. This volcano has been the site of eruptions on at least two occasions since the 19th century. By 1949 the island had eroded beneath sea level, but the summit of the volcano remains at shallow depths. · Foto: Photo by A. Thompson (published in Taylor and Ewart, 1997). · Wikimedia Commons
Tipo
Estratovolcán
País
Tonga
Región
Tonga-Kermadec Volcanic Regions / Tofua Volcanic Arc
Altitud
17 m (submarino)
Coordenadas
-20.320, -175.420
Última erupción
1936
Contexto tectónico
Subduction zone / Oceanic crust (< 15 km)
Forma volcánica
Composite
Roca principal
Andesite / Basaltic Andesite
Resumen geológico

The ephemeral Fonuafo'ou island in the central part of the Tonga Islands is also known as Falcon Island, named after the British vessel H.M.S. Falcon, which reported a shoal in 1865. Islands up to 6 km long were formed in 1885 and 1927 eruptions; in 1933 the island had a height of more than 145 m. Passing ships often reported "smoke" issuing from the site. The latest explosive activity was reported in 1936. By 1949 the island had eroded beneath sea level, but the summit remains at shallow depths.

Resumen de Wikipedia

Fonuafo‘ou, o también Isla Falcon, es un volcán submarino situado al este del grupo Ha'apai, en el reino de Tonga. Sus coordenadas son: 20°19′S 175°25′O.

Wikipedia · CC BY-SA · Leer artículo completo →

Historial de erupciones

Resumen (VEI en el tiempo)
Haga clic en una barra para ver erupciones individuales
1781~1797 · 1 erupciones · VEI máx. 01859~1874 · 1 erupciones · VEI máx. 01874~1890 · 2 erupciones · VEI máx. 31890~1905 · 1 erupciones · VEI máx. 01921~1936 · 4 erupciones · VEI máx. 217811812185918901921

Línea de tiempo detallada

  1. 1936VEI 2Observado
    1936-06 – En curso
  2. 1933VEI 2Observado
    1933-04 – En curso
  3. 1927VEI 2Observado
    1927-10-04 – 1928-09
  4. 1921VEI 0Estimación geológica
    1921-11 – En curso
  5. 1894VEI 0Estimación geológica
    1894-12 – En curso
  6. 1885VEI 3Observado
    1885-10-12 – 1886
  7. 1877VEI 2Observado
    1877 – En curso
  8. 1865VEI 0Estimación geológica
    1865 – En curso
  9. 1781VEI 0Estimación geológica
    1781 – En curso

Enlaces externos

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