Glacier collapse and catastrophic flooding in Nepal and Tibet

On Wednesday, August 26, 2026, a massive glacier collapse near the Langtang Lirung peak in the Himalayas triggered catastrophic floods and mudslides across the border region between Nepal and Tibet. The disaster, which sent walls of water, ice, and debris downstream, has resulted in at least 683 confirmed deaths and left approximately 3,000 people missing. Among the missing are hundreds of foreign tourists and pilgrims, including nationals from the United States, Ukraine, and other countries. The Trishuli 3A hydroelectric project was severely impacted, with search teams struggling to locate workers trapped in tunnels.

Approximately 93,000 people have been displaced or affected by the destruction of infrastructure, including roads and bridges. Local authorities and international rescue teams are engaged in ongoing efforts to search for survivors, although rescue operations have been frequently hampered by extreme weather, including heavy rains and dangerous conditions. Satellite imagery is being used to monitor two unstable lakes upstream that pose a significant risk of further flooding until they are fully drained. Officials warn that the humanitarian and financial crisis is severe, with estimated reconstruction costs reaching several billion dollars.