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Mount Etna ‘Smoke Rings’

Mount Etna ‘Smoke Rings’

Seltenes Phänomen: Der Ätna produziert Vortex Ringe

Cloud Appreciation Society member, Ulrike Wilkens, has drawn our attention to this news article on the Spiegel Online website. The Sicilian volcano Mount Etna spews ‘smoke rings’ into the air which can be up to 200 meters in diameter. You can see the images here.

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