August 8, 2013 - Volcanic Smoke Rings

Mount Etna, in Italy, used to blow smoke rings, which is apparently an extremely rare occurrence for volcanoes. So far, only three have been documented: Two from Etna in 1970 and 2000, and another from Eyjafjallajokull in Iceland, in May 2010.
Follow this link to see the animated version of the three images below: Blue Deniz


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Take time for silence. You never know what you might hear.
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