June 5, 2011 | a volcano in the Puyehue-Cordon Caulle chain of south-central Chile erupted after lying dormant for more than 50 years. The government evacuated several thousand residents as Puyehue threw ash more than 6 miles into the sky, pushing the plume toward neighboring Argentina. Authorities had already put the area around the volcano on alert after a flurry of earthquakes earlier on Saturday -- at one point, the tremors reached an average of 230 per hour.
Puyehue Chile, June 5, 2011
A rare cloud formation called a mammatus, where clouds take on a bubble-like shape, appeared in the skies above Regina, Saskatchewan in Canada following a thunderstorm on June 26.
Thunder and lightning
Strange Cloud Formations | WebPickUps Blog
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