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What are volcanic vortex rings? Mount Etna blows spectacular ‘smoke rings’ into the sky
Mount Etna in Sicily has been blowing spectacular ... It is a designated UNESCO World Heritage Site. The ‘volcanic vortex rings’, a rare phenomenon that is generated by the combination ...
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Watch: Mount Etna puffs giant smoke rings in ‘extraordinary’ phenomenon
known as volcanic vortex rings, are actually made of condensed gases and water vapour. They form when gases rise up from deep below the earth and escape inside the crater of a volcano. Mount Etna ...
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Watch: Italy’s Mount Etna Blows Rare ‘Vortex Rings’ Into Sky
The “volcanic vortex rings” are a rare phenomenon generated by the combination of rapid gas release and vent shape.