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Tungnafellsjökull

Tungnafellsjokull

Stratovolkan · Iceland · 1523 m

The Tungnafellsjökull central volcano lies immediately to the NW of the massive Vatnajökull icecap. The ~ 4 x 9 km summit caldera is largely filled by the Tungnafellsjökull glacier (center). An ice-free caldera to the SE, Vonarskarð, measures about 8 km in diameter; the caldera rim is visible in this image as a ridge at top left.
The Tungnafellsjökull central volcano lies immediately to the NW of the massive Vatnajökull icecap. The ~ 4 x 9 km summit caldera is largely filled by the Tungnafellsjökull glacier (center). An ice-free caldera to the SE, Vonarskarð, measures about 8 km in diameter; the caldera rim is visible in this image as a ridge at top left. · Foto: Photo by Oddur Sigurdsson, 1986 (Icelandic National Energy Authority). · Wikimedia Commons
Tipe
Stratovolkan
Negara
Iceland
Wilayah
Atlantic Ocean Volcanic Regions / Iceland Neovolcanic Rift Volcanic Province
Ketinggian
1523 m
Koordinat
64.750, -17.916
Letusan terakhir
Tidak diketahui
Kondisi tektonik
Rift zone / Oceanic crust (< 15 km)
Bentuk lahan
Composite
Batuan utama
Basalt / Picro-Basalt
Ringkasan geologi

The Tungnafellsjökull central volcano, located immediately NW of the massive Vatnajökull icecap, contains two calderas. One is largely filled by the Tungnafellsjökull glacier, and the other ice-free caldera located to the SE contains Pleistocene rhyolitic lavas. The volcano is largely of Pleistocene age, but postglacial flank fissures on the NE side have produced young basalts. The Hágöngur central volcano to the SW is part of this volcanic system.

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⚠ Untuk referensi saja. Bukan untuk tanggap darurat.