Volcanic Vortex Rings (VVR) observed from the Mount Etna | Current Affairs | Vision IAS
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    Volcanic Vortex Rings (VVR) observed from the Mount Etna

    Posted 13 Apr 2024

    1 min read

    • VVR, also known as volcanic smoke rings, are generated when gas, predominantly water vapor, is released rapidly through a circular vent in the volcanic crater. 
    • Mt Etna is the world’s most active volcano, located on the east coast of Sicily (Italy).
      • Also, it is the largest volcano of Europe. 
      • It lies in the highly active tectonic zone of Mediterranean Sea region which is part of the Mid-continental Volcanic Belt. 
        • The other important belt includes Circum pacific (ring of fire) and Mid-Atlantic belt
           
    • Why Mediterranean Sea region has highly active tectonic zone? 
      • Located on the convergent boundary between the Eurasian and African continental plates, and other minor plates. 
      • Convergence of plates creates subduction zone in western part of sea leading to formation of volcanoes. 
        • A subduction zone is a collision between two of Earth's tectonic plates, where one plate sinks into the mantle underneath the other plate.
      • Chains of submarine volcanoes have been created in the sea. 
      • The important volcanoes in the region are Mt Vesuvius, Stromboli, etc. 
    • Tags :
    • Volcanic Vortex Rings (VVR)
    • Mount Etna
    • Mediterranean Sea region
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