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Russia volcano erupts (VIDEO)

Russia's Plosky Tolbachik volcano is erupting.

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Researchers say that they have discovered the triggering mechanism behind major volcanic explosions. (Desiree Martin/AFP/Getty Images)

Russia's Plosky Tolbachik volcano has erupted, sending 2.5 miles of gas and ashes into the sky. Experts say that it could continue for four months, BBC News reported

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Gennady Karpov, a volcano expert, said that the explosion is unprecedented. "There were no lava lakes at Kamchatka volcanoes before now," she told the Associated Press. "We have never seen this before."

Watch a video of the explosion below:

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http://www.globalpost.com/dispatch/news/regions/europe/russia/130113/russia-volcano-erupts