A volcano with the power to eject billions of tons of magma is due to erupt anytime, say experts.
Located under the Laacher See lake near Bonn in Germany erupts every 10 to 12,000 years, and last exploded 12,900 years ago.
Small earthquakes in the region indicate that it could be waking up, and experts predict 'widespread devastation, mass evacuations, and even short term global cooling from ash cloud blocking the sun', says the Daily Mail.
Volcanologists believe that the volcano is still active as carbon dioxide bubbles are rising to the lake's surface, which indicate the magma chamber degassing.
Experts are not entirely sure of the effects it would have on Britain, but predict that large areas of southern England could be covered in ash.
The volcano is thought to be similar in size to Mount Pinatubo in the Philippines, which ejected 10 billion tons of magma when it blew in 1991, becoming the biggest eruption of the 20th century.
Critics, however, have suggested the idea of an imminent eruption is mere fear-mongering, saying the carbon dioxide bubbles have been there for hundreds, if not thousands, of years, and that they do not indicate an impending disaster.
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