In short: Volcanic vortex rings have formed above Mount Etna in Italy. Volcanologist Ana Casas Ramos says the rings are made of condensed water which forms when hot vapour from the volcano hits cold ...
Mount Etna in Sicily has been blowing spectacular ‘smoke rings’ into the sky since Wednesday. The volcano, which towers over the historic port city of Catania, is the largest in Europe and one of the ...
Mesmerising vortex rings have been ‘erupting’ from Sicily’s Mount Etna in a rare and stunning spectacle – but an expert is urging caution to those visiting the famous volcano. The strange sight has ...
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