Helgafell_(Vestmannaeyjabær)

Helgafell (Vestmannaeyjabær)

Helgafell (Vestmannaeyjabær)

Volcanic cone on Heimaey Island, Iceland

This article is about a volcano on the Vestmannaeyjar island of Heimaey. For other mountains of the same name, see Helgafell.

Helgafell (Icelandic pronunciation: [ˈhɛlkaˌfɛtl̥] ⓘ, "Helgi's mountain"[3]) is an inactive 227 m (745 ft)[4] volcanic cone located on the island of Heimaey in the Vestmannaeyjar archipelago in Iceland.

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The Stórhöfði peninsula immediately to the south of Helgafell in what is now southern Heimaey formed about 6000 years ago.[2] Helgafell formed a thousand years later in a monogenetic volcanic eruption,[5]: 55  which created much of the present island over a period of between 11 and 12 months,[1][4] at 3950 BCE ± 300 years.[2] This erupted 0.65 km3 (0.16 cu mi) of lava and scoria with a DRE of 0.59 km3 (0.14 cu mi).[5]: 68  Immediately north of Helgafell is the active volcano Eldfell, which had a no warning disruptive monogenetic fissure eruption commencing January 23, 1973.[6]

See also

References

  1. [1]
    Mattsson, H.B.; Höskuldsson, Á. (2005). "Eruption reconstruction, formation of flow-lobe tumuli and eruption duration in the 5900 BP Helgafell lava field (Heimaey), south Iceland". Journal of Volcanology and Geothermal Research. 147 (1–2): 157–172. Bibcode:2005JVGR..147..157M. doi:10.1016/j.jvolgeores.2005.04.001.
  2. [2]
    "Vestmannaeyjar". Global Volcanism Program. Smithsonian Institution.
  3. [3]
    "Helgafell". Heimaslóð. 2012-08-09. Retrieved 2023-07-06.
  4. [4]
    "visitvestmannislands.is". Archived from the original on 2017-09-12. Retrieved 2009-02-13.
  5. [5]
    Mattsson, H.B.; Höskuldsson, Á. (2003). "Geology of the Heimaey volcanic centre, south Iceland: early evolution of a central volcano in a propagating rift?". Journal of Volcanology and Geothermal Research. 127 (1–2): 55–71. Bibcode:2003JVGR..127...55M. doi:10.1016/S0377-0273(03)00178-1.
  6. [6]
    Thorarinsson, S.; Steinthorsson, S.; Einarsson, T.; Kristmannsdottir, H.; Oskarsson, N. (1973-02-09). "The eruption on Heimaey, Iceland". Nature. 241 (5389): 372–375. Bibcode:1973Natur.241..372T. doi:10.1038/241372a0. S2CID 4163208.
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