Volcanic Vortex Ring

Why In News:

·       Volcanic Vortex Rings (VVR) observed from the Mount Etna

Volcanic Vortex Rings:


·       Also known as – Volcanic Smoke Rings

·       Formation – Generated when gas, predominantly water vapor, is released rapidly through a vent in the volcanic crater.

·       The rings can remain in the air for up to 10 minutes, but tend to disintegrate quickly if conditions are windy and turbulent.

Mount Etna



·       It is sometimes referred to simply as Etna, is an active volcano on the east coast of Sicily, the largest island in the Mediterranean Sea.

·       Etna’s peak is the highest in Italy south of the Alps, and it is Europe’s largest and one of the most active volcanoes.

·       Etna’s summit has five craters, which are responsible for most of the volcano’s eruptions; there are also “flank” eruptions that occur out of 300-odd vents of varying sizes along the slopes of the mountain.

·       It is in almost constant activity, and has seen, since the year 1600, at least 60 flank eruptions and many more summit eruptions.

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