Iceland Volcano: Mini-Quakes Revealed In Video

Geologists have released a computer-generated video showing a swarm of mini-earthquakes threatening to trigger a volcanic eruption in Iceland

The images emerged after Iceland's authorities evacuated an area close to the country's Bardarbunga volcano over fears it could erupt.

Iceland's Eyjafjallajokull volcano erupted in 2010, producing an ash cloud that severely disrupted air travel.

The Bardarbunga volcano in Iceland Pic: Icelandic Met Office

The video - by the Icelandic Met Office - shows a mass of seismic activity, stretching deep beneath the mountain range.

The area - which is 190 miles from the capital Reykjavik - has no permanent residents but sits in a national park which is popular with tourists.

The dots show areas of seismic activity (pic: Icelandic Met Office)

More than 3,000 small earthquakes have occurred since Saturday at Bardarbunga -  the country's largest volcano system.

Geologists said the magnitude of the earthquakes had been relatively small. Seismologists add that magma is moving horizontally, rather than vertically.

Ash billows from the Eyjafjallajokull volcano In Iceland in 2010

The country's aviation alert level for the risk of a possible eruption is currently at orange, the second-most severe level.

The risk level was raised on Monday after magma movements were detected around six miles from the surface.

The 2010 ash cloud shut down much of Europe's airspace for six days. More than 10 million people were affected.

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