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Indonesia’s Mt. Sinabung

  • 12 Mar 2021
  • 2 min read

Why in News

Recently, Mt. Sinabung, an active volcano on Indonesia’s Sumatra island has erupted.

Key Points

  • Mt. Sinabung:
    • Mt. Sinabung (2,600-metre) is located in Karo regency, North Sumatra.
    • Sinabung is among more than 120 active volcanoes in Indonesia, which is prone to seismic upheaval due to its location on the Pacific Ring of Fire.
    • The volcano was dormant for 400 years before exploding in 2010.
      • It exploded again in 2014 ,2016 and 2020.
  • Ring of Fire:
    • The Ring of Fire, also referred to as the Circum-Pacific Belt, is a path along the Pacific Ocean characterized by active volcanoes and frequent earthquakes.
    • It traces boundaries between several tectonic platesincluding the Pacific, Cocos, Indian-Australian, Nazca, North American, and Philippine Plates.
    • The abundance of volcanoes and earthquakes along the Ring of Fire is caused by the amount of movement of tectonic plates in the area.
      • 75% of Earth’s volcanoes i.e. more than 450 volcanoes are located along the Ring of Fire. 90% of Earth’s earthquakes occur along its path.


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