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Rusia · Maar

Kinenin

Tipe
Maar
Ketinggian
583 m
Letusan terakhir
850
Kinenin maar is seen in this near-vertical aerial photo, with the lake reaching 1 km in diameter. The maar was named after the Kinenin River seen to the south, and was formed during an explosive eruption about 1,100 years ago. The NE crater wall is significantly higher and coincides with the dominant direction of the tephra dispersal.
Kinenin maar is seen in this near-vertical aerial photo, with the lake reaching 1 km in diameter. The maar was named after the Kinenin River seen to the south, and was formed during an explosive eruption about 1,100 years ago. The NE crater wall is significantly higher and coincides with the dominant direction of the tephra dispersal. · Foto: Photo from Holocene Kamchataka volcanoes (http://www.kscnet.ru/ivs/volcanoes/holocene/main/main.htm).
Tipe
Maar
Negara
Rusia
Wilayah
Pasifik Barat Laut / Central Kamchatka Volcanic Arc
Ketinggian
583 m
Koordinat
57.350, 160.970
Letusan terakhir
850
Kondisi tektonik
Zona subduksi / Kerak benua (> 25 km)
Bentuk lahan
Kecil
Batuan utama
Basal / Pikrobasal
Ringkasan geologi

Kinenin maar lies at the eastern foot of the Sredinny Range, about 80 km NNW of Sheveluch volcano. The 2.5-km-wide, funnel-shaped maar was formed along the Kinenin River, a tributary of the Elovka. It is partially filled by a 1-km-wide lake whose surface is at 400 m elevation. The eastern rim at about 580 m is the high point of the crater. The eruption of Kinenin took place about 1,100 years ago, making it the youngest known maar in Kamchatka. Both silicic pyroclastic flows and mafic pyroclastic ejecta were produced, which were distributed primarily to the ENE. The location is north of the active Kamchatka subduction zone.

Riwayat letusan

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Ringkasan (VEI dari waktu ke waktu)
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850~850 · 1 letusan · VEI maks. 4850850851851851

Garis waktu rinci

  1. 850 (±50 tahun)VEI 4Perkiraan geologi
    850 – akhir tidak diketahui

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