The Grimsvotn volcano began erupting on Saturday, sending clouds of ash up to 12 miles into the air.

Below are some stunning pictures capturing natures most violent phenomenon.

(Vilhelm Gunnarsson/AFP/Getty Images)

Vehicles are covered in ash near to Kirkjubaearklaustur, approx.

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260 km from Reykjavik, Iceland, Monday, May 23, 2011.

(Brynjar Gauti/Associated Press)

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