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3705 Catastrophic: Proponents of hydropower projects keep inventing new ways of circumventing environmental norms which can amplify the impact of a disaster. PTI
Dinesh C Sharma
Science Commentator
The Himalayas once again witnessed a massive disaster on Sunday morning. The analysis based on satellite imagery of the region from Planet Labs, a company formed by former NASA scientists, shows that the flash flood was triggered by a rock slope that got detached from a large glacier, resulting in an avalanche of rocks and ice which moved downwards at a high speed.
According to some Indian experts, the avalanche was caused by the detachment of a hanging glacier from the bedrock hosting it, some 20 km upstream of the Rishiganga hydel power project. Yet another explanation is that the detached rock slope slipped into a glacial lake or accumulated melt water held together by natural rocks and debris.