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Ketildyngja

Fremrinamar

Stratovolkan · Iceland · 970 m

Fremrinámar, NNE of Askja and SE of Mývatn lake, is a volcanic system that is constructed over the Ketildyngja shield volcano (center). Associated fissure systems, including the Sveinar fissure, extend 130 km to the N coast of Iceland. Mývatn lake formed as a result of the eruption of the 70-km-long older Laxarhraun lava flow from Ketildyngja shield volcano about 3,800 years ago. The latest eruption from Fremrinámar produced the Búrfellshraun lava flow about 2,500-3,000 years ago.
Fremrinámar, NNE of Askja and SE of Mývatn lake, is a volcanic system that is constructed over the Ketildyngja shield volcano (center). Associated fissure systems, including the Sveinar fissure, extend 130 km to the N coast of Iceland. Mývatn lake formed as a result of the eruption of the 70-km-long older Laxarhraun lava flow from Ketildyngja shield volcano about 3,800 years ago. The latest eruption from Fremrinámar produced the Búrfellshraun lava flow about 2,500-3,000 years ago. · Foto: Photo by Richie Williams, 1981 (U.S. Geological Survey). · Wikimedia Commons
Tipe
Stratovolkan
Negara
Iceland
Wilayah
Atlantic Ocean Volcanic Regions / Iceland Neovolcanic Rift Volcanic Province
Ketinggian
970 m
Koordinat
65.416, -16.666
Letusan terakhir
-1200
Kondisi tektonik
Rift zone / Oceanic crust (< 15 km)
Bentuk lahan
Composite
Batuan utama
Basalt / Picro-Basalt
Ringkasan geologi

The Fremrinámar volcanic system, N of Askja and SE of Myvatn lake, includes the central Ketildyngja shield volcano and the Sveinar fissure swarm that extends 130 km to the north coast of Iceland. The Kerlingardyngja shield volcano to the south is early Holocene. The latest eruption produced the Burfellshraun lava flow about 3,200 years ago that covered 75 km2.

Ringkasan Wikipedia

Ringkasan Inggris

Fremrinámur is a volcano with a volcanic system located on the basalt plateau in Iceland. It is at the junction of the Mid-Atlantic Ridge and the Greenland–Iceland–Faeroe Ridge. It is one of five volcanic systems found in the axial rift zone in north-east Iceland. Its height is about 939 m (3,081 ft).

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Riwayat letusan

Ringkasan (VEI dari waktu ke waktu)
Klik pada bar untuk melihat letusan individu
4050 BCE~3860 BCE · 2 letusan · VEI maks. 02340 BCE~2150 BCE · 1 letusan · VEI maks. 01390 BCE~1200 BCE · 1 letusan · VEI maks. ?4050 BCE3290 BCE2720 BCE1960 BCE1390 BCE

Garis waktu rinci

  1. 1200 SMVEI ?Perkiraan geologi
    BCE 1200 – Berlangsung
    Kraeduborgir (Burfellshraun)
  2. 2300 SMVEI 0Perkiraan geologi
    BCE 2300 – Berlangsung
    Ketildyngja
  3. 4000 SMVEI 0Perkiraan geologi
    BCE 4000 – Berlangsung
    Kerlingardyngja
  4. 4050 SM (±1050 tahun)VEI ?Perkiraan geologi
    BCE 4050 – Berlangsung
    Sveinar (Rauduborgir) fissure

Tautan eksternal

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