Iceland Hotspot

The Iceland hotspot is a hotspot which is partly responsible for the high volcanic activity which has formed the island of Iceland.

Read more about Iceland HotspotDescription, Theories of Causation

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Iceland Hotspot - Theories of Causation - Mantle Plume Theory
... It is believed that a mantle plume underlies Iceland, of which the hotspot is thought to be the surface expression ... of the island and at the Reykjanes ridge to the southwest of Iceland's main volcanic zone ... Studies suggest that the hotspot is only 50-100 K hotter than its surroundings, which may not be a great enough difference to drive a buoyant plume ...