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Mount Sinabung Erupted : Indonesia

Mount Sinabung Erupted: Indonesia:

Indonesia’s Mount Sinabung, located in the North Sumatra province, erupted in May 2021 belching a massive column of volcanic ash and smoke 3,000 meters (3 km) into the sky.

  • The volcano has been active since 2010 when it erupted after nearly 400 years of inactivity.
  • Indonesia is home to many active volcanoes owing to its location in the “Ring of Fire” or the Circum-Pacific Belt — an area along the Pacific Ocean characterized by active volcanoes and frequent earthquakes.
  • The Ring of Fire is home to about 75 percent of the world’s volcanoes and about 90 percent of earthquakes also occur here.
  • Basically, there are three types of volcanoes — active, dormant, or extinct.
  • An eruption takes place when magma (a thick flowing substance), which is formed when the earth’s mantle melts, rises to the surface.
  • As magma is lighter than rock, it is able to rise through vents and fissures on the surface of the earth.
  • Following the eruption, the magma is called lava.
  • When the magma is runny and thin, gases can easily escape it. In such cases, the magma will flow out towards the surface.
  • However, if the magma is thick and dense and gases cannot escape it, it builds up pressure inside resulting in a violent explosion.

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