Mount Etna in Italy is currently captivating observers by emitting large, circular 'smoke rings.' This unusual phenomenon, caused by a newly opened crater at the summit, involves gases that are rapidly expelled through a circular vent. According to scientists, these are actually volcanic vortex rings mostly composed of water vapor, which condenses in the cooler air above the volcano, creating the visible puffs. The activity has reportedly been more frequent than ever, with hundreds of rings forming since it began.
Get more accurate answers with Super Search, upload files, personalized discovery feed, save searches and contribute to the PandiPedia.
Let's look at alternatives: