<meta name="title" content="The 2010 Eyjafjallajokull eruptions"/><meta name="description" content="The ice-covered Grimsvotn is Iceland's most active volcano, erupting every 14 years on average. Once a century, it brings a large explosive eruption, as it did in 2011, and produces large amounts of black ash."/>
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Ash and gas plume rising from a glacier covered with black ash

Grímsvötn is Icelands most active volcano and lies under the ice-cap of Vatnajökull glacier.

The 2010 Eyjafjallajokull eruptions