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Langjökull volcano volcanThe Langjökull central volcano lies at the northern end of an active volcanic zone that extends to the NE from the Reykjanes Peninsula.
Introduction:Langjökull volcano occupies the NE half of the massive Langjökull icecap, east of the prominent Pleistocene table mountain, Erikskökull. A summit caldera lies beneath the ice. Several shield volcanoes have been constructed along flank fissure zones, and postglacial lava flows flank Langjökull on the northern, western, and eastern sides. One of the most prominent of these is a small shield volcano that was formed at the site of the massive Hallmundahraun lava flow, which covers 200 sq km, and was erupted shortly after 900 AD.
The Geysir thermal area, containing Iceland's largest geysers, lies in the Haukadalur basin, near the southern end of the lengthy fissure system extending from Langjökull central volcano.
Source: GVP, Smithsonian Institute
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