Eruption of Grimsvotn, Vatnajokull Ice Cap, Iceland
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Eruption of Grimsvotn, Vatnajokull Ice Cap, Iceland

by Ragnar Sigurdsson (arctic-images.com), Iceland

The Grimsvotn central volcano is Iceland's most active fire furnace with eruptions being periodic-they often occur in decade long bursts with long dormant intervals. The action between water and magma result in explosive eruptions that produce ash and pumice but no lava. Higher resolution images available from rth@arctic-images.com (there is a licensing fee depending on the use).