TNPSC Thervupettagam

Glacial Breach Triggered Floods

February 12 , 2021 1178 days 1119 0
  • An avalanche and flash floods are triggered in Alaknanda river in Chamoli district of Uttarakhand.
  • It occurred after a glacial breach.
  • This avalanche was caused probably due to glacial breach.
  • The glacial breach also breached a lake in the Raini village in Chamoli district.
  • The raini village is situated on the boundary of Nanda Devi biosphere reserve.
  • Snow and Avalanche Study Establishment (SASE) is investigating the matter.
  • It works under the Defence Research and Development Organisation.
  • The breach has resulted into increase in water levels in the Dhauliganga river and the Rishi ganga,
  • The avalanche has destroyed the Rishi Ganga hydel plant on the Rishiganga river.

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