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Mount Semeru volcano

  • 07 Dec 2021
  • 2 min read

Why in News

Recently, Mount Semeru volcano of Indonesia erupted which killed at least 14 persons and left dozens injured.

  • The last time it erupted was in December 2020.

Key Points

  • About Semeru Volcano:
    • Semeru, also known as the Great Mountain - is the highest volcano in Java and one of the most active.
    • Semeru volcano is also the part of the Island arcs formed by the subduction of the Indo-Australian plate below Sunda Plate (part of Eurasian Plate).
      • The trench formed here is called Sunda trench whose major section is the Java Trench.
  • Volcano in Indonesia:
    • Indonesia, with the maximum number of active volcanoes in the world, is prone to seismic upheaval due to its location on the Pacific’s Ring of Fire.
  • Pacific’s 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.
    • Its length is approximately 40,000 kilometers. It traces boundaries between several tectonic plates—including the Pacific, Cocos, Indian-Australian, Nazca, North American, and Philippine Plates.
    • 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, including the planet’s most violent and dramatic seismic events. 
  • Other Major Volcanoes of Indonesia:

Source: TH

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