A devastating flash flood struck the Nepal-China border region on Aug. 26, killing at least 168 people and leaving more than 1,300 missing across Nepal and Tibet, according to the latest reports from the Associated Press and regional authorities. Rescue teams are searching damaged communities, roads and river corridors as the scale of the disaster continues to emerge.

Glacial Collapse Triggered The Disaster

The U.S. Geological Survey said the event initially recorded as an earthquake was instead a glacial collapse and debris flow. Seismic data and satellite imagery were used to revise the initial assessment. USGS said the collapse caused severe downstream impacts.

The resulting surge carried water, ice, rock and mud through valleys on both sides of the border. Several villages and transport links were damaged. The flood also affected the Gyirong border area in Tibet.

The region includes routes used by pilgrims and tourists traveling toward Mount Kailash and Kailash Mansarovar. The disaster has therefore affected both local communities and international travelers.

Hundreds Of Tourists Remain Unaccounted For

Nepal's National Emergency Operation Center reported 826 people missing in Nepal. The figure includes 579 tourists, of whom 466 are foreign nationals. At least 165 bodies had been recovered in Nepal by Thursday morning.

China reported 558 people missing in Tibet, including 260 foreigners, and three deaths, according to AP. The combined figures put the number missing in the two areas above 1,300.

Rescue Efforts Face Difficult Mountain Conditions

Search operations are being conducted by security forces and emergency teams. Helicopters are being used where access is possible. Damaged roads, bridges, heavy debris and continuing rainfall are slowing operations. Nepal's Department of Hydrology and Meteorology continues to monitor river conditions and issue flood warnings.

The disaster has renewed attention on risks linked to glacier instability in the Himalayas. Scientists are continuing to examine the precise sequence that led to the glacial collapse and subsequent flooding.