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How did this disaster happen? A huge glacier collapsed from the northern slope of the Langtang Lirung mountain in Nepal. Along with this, the stream of ice, rocks and mud that came down crashed into the Votkoshi or Trishuli river below. According to the International Mountain Research Institute ICIMOD, the water level of the river rose by 7 to 9 meters in just 30 minutes, which swept away the population in an instant.
The Himalayan glaciers are vulnerable to warming, experts say, as global warming has weakened the Himalayan glaciers and permafrost. Dr. Hamish Pritchard, a scientist at the British Antarctic Survey, said that just two days before the disaster, the temperature in the region reached its highest level in two years. The deadly landslide was triggered by melting ice and water seeping into the cracks in the rocks, loosening the bonds. *The Himalayas are warming almost twice as fast as the global average.
*According to the United Nations, Nepal's mountains have lost a third of their ice in just over 30 years.
*ICIMOD's 'HKH Glacier Outlook 2026' report says that glaciers have been shrinking at a rapid rate since 2000, which is irreversible.
Big future danger: Glacial Lake Outburst Flood (GLOF) Not only glaciers, but also mountain lakes formed by melting glaciers are at risk of collapsing, which is called 'Glacial Lake Outburst Flood' (GLOF) in scientific terms. Scientists have identified at least 21 of the more than 2,000 such lakes in Nepal as extremely dangerous. Environmentalists are warning that a bigger natural disaster awaits in the future if temperatures continue to rise.