Helgafell (Vestmannaeyjabær)

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

This article is about a volcano on the Vestmannaeyjar island of Heimaey. For other mountains of the same name, see Helgafell.
Helgafell
The cone of the Helgafell volcano seen from Heimaey harbor
Highest point
Elevation227 m (745 ft)
Coordinates63°25′45″N 20°15′36″W
Geography
Helgafell
Iceland
LocationHeimaey, Iceland
Geology
Age of rock5,000 years
Last eruption3950 BCE ± 300 years

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

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