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Niseko Volcanic Group

Niseko

Stratovolkan · Japan · 1308 m

Several peaks of the Niseko volcano complex are seen in this view looking W from the Chisenupuri summit. From front to back are the forested Nitonupuri, light-colored, flat-topped Iwaonupuri, and Niseko-Annupuri. Yotei volcano is visible in the distance to the right of Niseko-Annupuri.
Several peaks of the Niseko volcano complex are seen in this view looking W from the Chisenupuri summit. From front to back are the forested Nitonupuri, light-colored, flat-topped Iwaonupuri, and Niseko-Annupuri. Yotei volcano is visible in the distance to the right of Niseko-Annupuri. · Foto: Photo by Yutaka Kodama, 1995 (Hokkaido University). · Wikimedia Commons
Tipe
Stratovolkan
Negara
Japan
Wilayah
Northwestern Pacific Volcanic Regions / Northeast Japan Volcanic Arc
Ketinggian
1308 m
Koordinat
42.875, 140.659
Letusan terakhir
-4900
Kondisi tektonik
Subduction zone / Continental crust (> 25 km)
Bentuk lahan
Composite
Batuan utama
Andesite / Basaltic Andesite
Ringkasan geologi

The Niseko volcano group in SW Hokkaido contains a cluster of andesitic stratovolcanoes and lava domes that extends 25 km E-W and 15 km N-S. The volcanic complex is located NW of Niseko City. The latest dated activity was a phreatic to magmatic eruption about 7000 years ago. Fumarolic areas and hot springs are found at various locations.

Ringkasan Wikipedia

Ringkasan Inggris

Niseko Volcanic Group is a volcanic group of active stratovolcanoes and lava domes situated in Hokkaidō, Japan. The volcanoes are younger than 400,000 years. The last eruption was 6,000 to 7,000 years ago. Today Iwaonupuri shows fumarolic activity.

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Riwayat letusan

Ringkasan (VEI dari waktu ke waktu)
Klik pada bar untuk melihat letusan individu
4900 BCE~4900 BCE · 1 letusan · VEI maks. ?4900 BCE4900 BCE4899 BCE4899 BCE4899 BCE

Garis waktu rinci

  1. 4900 SMVEI ?Perkiraan geologi
    BCE 4900 – Berlangsung

Tautan eksternal

⚠ Untuk referensi saja. Bukan untuk tanggap darurat.