explained in a Facebook post that “no volcano on Earth produces as many vapour rings (‘volcanic vortex rings’) as Etna”. ‘Etna is breaking all previous records’ “Etna is breaking all ...

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 ...

The “volcanic vortex rings” are a rare phenomenon generated by the combination of rapid gas release and vent shape.

VOLCANO VORTEX RINGS: Rare volcanic vortex rings were spotted rising above Mount Etna in Italy recently. The natural phenomenon occurs when gases emitted from the volcano ascend rapidly through ...

The U.S. Geological Survey describes lavanado as a wind vortex within the caldera, a large depression formed by the collapse of a volcano's central part after an eruption. The video of the ...