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Gunung Haruna

Harunasan

Stratovolkan · Japan · 1449 m

Harunasan has a small summit caldera containing Haruna-Fuji cone (right). Viscous lava flows and lava domes have formed within and around the caldera. Its western side is currently filled by Lake Haruna, which is visible to the left of the cone. The Futatsudake lava dome, outside the caldera to the E, was the source of two large explosive eruptions during the 6th century CE. This view from the NE also shows a plume emanating from Asamayama on the distant horizon above Lake Haruna.
Harunasan has a small summit caldera containing Haruna-Fuji cone (right). Viscous lava flows and lava domes have formed within and around the caldera. Its western side is currently filled by Lake Haruna, which is visible to the left of the cone. The Futatsudake lava dome, outside the caldera to the E, was the source of two large explosive eruptions during the 6th century CE. This view from the NE also shows a plume emanating from Asamayama on the distant horizon above Lake Haruna. · Foto: Photo by Ichio Moriya (Kanazawa University). · Wikimedia Commons
Tipe
Stratovolkan
Negara
Japan
Wilayah
Northwestern Pacific Volcanic Regions / Northeast Japan Volcanic Arc
Ketinggian
1449 m
Koordinat
36.477, 138.851
Letusan terakhir
550
Kondisi tektonik
Subduction zone / Continental crust (> 25 km)
Bentuk lahan
Composite
Batuan utama
Andesite / Basaltic Andesite
Ringkasan geologi

Harunasan volcano is truncated by a small summit caldera containing the symmetrical post-caldera pyroclastic cone of Haruna-Fuji. Harunasan volcano dates back prior to 300,000 years ago and had caldera-producing eruptions at about 200,000 and 40,000 years ago. Viscous lava flows and lava domes were subsequently extruded within and around the caldera, the western side of which is currently partially filled by Lake Haruna. The Futatsudake lava dome east of the caldera was the source of two large explosive eruptions during the 6th century CE.

Ringkasan Wikipedia

Gunung Haruna adalah sebuah gunung berapi kerucut aktif yang terletak di bagian timur pulau Honshu atau lebih tepatnya di kota Takasaki, Gunma, Jepang. Gunung ini memiliki ketinggian 1.449 m (4.754 ft), terbentuk sekitar 300.000 tahun yang lalu, dan letusan terakhir yang diketahui adalah sekitar tahun 550 masehi.

Wikipedia · CC BY-SA · Baca artikel lengkap →

Riwayat letusan

Ringkasan (VEI dari waktu ke waktu)
Klik pada bar untuk melihat letusan individu
450~460 · 1 letusan · VEI maks. 3520~530 · 1 letusan · VEI maks. 4540~550 · 1 letusan · VEI maks. 5450470500520540

Garis waktu rinci

  1. 550 (±10 tahun)VEI 5Perkiraan geologi
    550-06-01 – Berlangsung
    Futatsu-dake
  2. 520 (±10 tahun)VEI 4Perkiraan geologi
    520-06-01 – Berlangsung
    Futatsu-dake
  3. 450 (±50 tahun)VEI 3Perkiraan geologi
    450 – Berlangsung
    Futatsu-dake

Tautan eksternal

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