Surtsey is a
volcanic island off the southern coast of
Iceland, the
southernmost point of Iceland. It was formed in a
volcanic eruption which began 130 metres (426 ft) below
sea level, and reached the surface on 14 November 1963. The eruption may have started a few days earlier and lasted until 5 June 1967, when the island reached its maximum size of 2.7 km
2 (1.0 sq mi). Since then, wind and wave erosion has caused the island to steadily diminish in size: as of 2002, its surface area was 1.4 km
2 (0.54 sq mi). The new island was named after the fire
giant Surtr from
Norse mythology, and was intensively studied by
volcanologists during its creation and, since the end of the eruption, has been of great interest to
botanists and
biologists as life has gradually colonised the originally barren island. The undersea vents that produced Surtsey are part of the
Vestmannaeyjar (Westmann Isles) submarine volcanic system, part of the fissure of the sea floor called the
Mid-Atlantic Ridge. Vestmannaeyjar also produced the famous eruption of
Eldfell on the island of
Heimaey in 1973. The eruption that created Surtsey also created a few other small islands along this volcanic chain, such as
Jólnir and other unnamed peaks. Most of these eroded away fairly quickly. (
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