Himalayan Glacier Collapse Triggers Deadly Nepal-Tibet Flood

A catastrophic glacier collapse in the Himalayas triggered a massive torrent of ice, rock, and mud that tore through mountain valleys along the Nepal-Tibet border on Wednesday, killing hundreds and leaving nearly 3,000 people missing. The disaster, described as one of the largest in Nepalese history, has prompted a massive rescue operation now hampered by adverse weather and the looming threat of a secondary flood from a newly formed barrier lake. The collapse occurred at approximately 8:40 a.m. local time on August 26, 2026, when a large section of a high-altitude glacier sheared away from a slope near Langtang Lirung. An estimated 27 million cubic metres of ice and rock plunged about 1.