Rusia · Stratovolkan
Uratman
- Tipe
- Stratovolkan
- Ketinggian
- 678 m
- Letusan terakhir
- Tidak diketahui
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- Tipe
- Stratovolkan
- Negara
- Rusia
- Wilayah
- Pasifik Barat Laut / Kuril Volcanic Arc
- Ketinggian
- 678 m
- Koordinat
- 47.120, 152.250
- Letusan terakhir
- Tidak diketahui
- Kondisi tektonik
- Zona subduksi / Kerak samudra (< 15 km)
- Bentuk lahan
- Komposit
- Batuan utama
- Andesit / Andesit basaltik
Ringkasan geologi
The northernmost volcano on Simushir Island, Uratman consists of a 7.5-km-wide Pleistocene caldera with walls that rise 450 m above a 250-m-deep caldera bay. A narrow gap in the northern rim provides ocean access into Brouton Bay, which fills the NW half of the caldera. The andesitic central cone grew during the Holocene in the SE part of the caldera. Two cinder cones are located along the N flank of Uratman, and a lava dome was formed on its NW flank along Brouton Bay. No recorded eruptions are known.
Ringkasan Wikipedia
Ringkasan InggrisUratman is a somma volcano located at the northern end of Simushir Island, Kuril Islands, Russia. It consists of a Pleistocene caldera which contains an andesite cone of Holocene age. The caldera is exposed to the ocean, forming Brouton Bay.
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