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Fonuafoʻou

Fonuafo'ou

Stratovolkan · Tonga · 17 m (bawah laut)

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
Tipe
Stratovolkan
Negara
Tonga
Wilayah
Tonga-Kermadec Volcanic Regions / Tofua Volcanic Arc
Ketinggian
17 m (bawah laut)
Koordinat
-20.320, -175.420
Letusan terakhir
1936
Kondisi tektonik
Subduction zone / Oceanic crust (< 15 km)
Bentuk lahan
Composite
Batuan utama
Andesite / Basaltic Andesite
Ringkasan geologi

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.

Ringkasan Wikipedia

Ringkasan Inggris

Fonuafo‘ou, formerly known as Falcon Island, is a submarine volcano in the western part of the Ha'apai group in Tonga. The volcano has created an island several times throughout history.

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Riwayat letusan

Ringkasan (VEI dari waktu ke waktu)
Klik pada bar untuk melihat letusan individu
1781~1797 · 1 letusan · VEI maks. 01859~1874 · 1 letusan · VEI maks. 01874~1890 · 2 letusan · VEI maks. 31890~1905 · 1 letusan · VEI maks. 01921~1936 · 4 letusan · VEI maks. 217811812185918901921

Garis waktu rinci

  1. 1936VEI 2Teramati
    1936-06 – Berlangsung
  2. 1933VEI 2Teramati
    1933-04 – Berlangsung
  3. 1927VEI 2Teramati
    1927-10-04 – 1928-09
  4. 1921VEI 0Perkiraan geologi
    1921-11 – Berlangsung
  5. 1894VEI 0Perkiraan geologi
    1894-12 – Berlangsung
  6. 1885VEI 3Teramati
    1885-10-12 – 1886
  7. 1877VEI 2Teramati
    1877 – Berlangsung
  8. 1865VEI 0Perkiraan geologi
    1865 – Berlangsung
  9. 1781VEI 0Perkiraan geologi
    1781 – Berlangsung

Tautan eksternal

⚠ Untuk referensi saja. Bukan untuk tanggap darurat.