Glacial collapse triggers deadly floods along Nepal-China border
Satellite imagery and field reports show that a collapse of bedrock under a glacier on Langtang Lirung near the Nepal-Tibet border sent a massive ice-and-rock avalanche down a steep valley, melting into water and mud that swept through settlements and buried villages. Hundreds were killed and nearly 1,500 people were reported missing, including foreigners and pilgrims, while rescue teams searched amid debris. Rivers such as the Trishuli widened and turned brown from heavy sediment, and towns like Syapru Besi and Betrawati are submerged in mud and debris. Scientists say permafrost melt and warming can increase such hazards, though a direct climate link is not confirmed.
Bedrock and glacier collapse caused deadly debris flows and widespread destruction
Context
A glacier and underlying bedrock failed near the Langtang Lirung peak. The collapse sent ice and debris into the valley and caused fast floods. Further instability could rise as permafrost and glaciers warm.
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