Nepal's Himalayan Flood Disaster: Death Toll Climbs as Search for Hundreds Continues

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A Wall of Mud on the Roof of the World

A massive flash flood swept through the Nepal-Tibet border region on Wednesday, destroying entire villages within minutes. Rescue workers are still searching for hundreds of missing people as of Thursday.

Nepal's tourism ministry said around 340 foreign nationals were among more than 400 tourists unaccounted for. Nepali police confirmed 157 bodies had been recovered by Wednesday night, and officials on both sides of the border expect the death toll to rise further.

The flood struck a mountainous area popular with trekkers and religious pilgrims, turning a routine travel route into a disaster zone in a matter of minutes.

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Survivors Describe Terrifying Scenes

Eyewitness accounts describe a sudden, overwhelming surge of mud and debris. One 68-year-old survivor, Keshav Prasad Baral, said he tried to pull his wife to safety as the mud entered their home, but she was swept away before he could reach her. He was rescued by helicopter hours later.

Another survivor said he clung to a mango tree and watched the building where he had been working vanish into the flood. Security camera footage from the Chinese side of the border shows a multi-story building being engulfed within seconds as people run for their lives.

Rescue helicopters have struggled to reach some of the worst-hit areas, including Syabrubesi and Timure in Rasuwa district, because the swollen river has not yet returned to its normal course.

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Tourists From Around the World Among the Missing

Many of the missing were traveling toward Kailash Mansarovar in Tibet, a site considered sacred by Hindus, Buddhists and several other faiths. According to Nepal's tourism board, the missing included 47 Americans, 34 Australians, 33 Britons and 24 Canadians, alongside a large number of Indian pilgrims.

Governments have begun responding publicly. The U.S. State Department confirmed it is tracking Americans affected by the floods. Canadian Prime Minister Mark Carney called the disaster "absolutely devastating," while Australian Prime Minister Anthony Albanese noted that information from Nepal remains difficult to obtain given the country's limited resources.

South Korea, Malaysia and Japan also reported missing citizens, several of them workers on hydropower projects in the affected valleys.

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What Triggered the Flood?

Nepali officials initially suspected an earthquake had destabilized part of a glacier, causing it to collapse. That theory has since been refined.

The U.S. Geological Survey said the seismic signal originally recorded as a magnitude 4.4 earthquake was in fact generated by the glacial rock and ice collapse itself, and by the resulting debris flow, not by a separate tectonic quake. Independent satellite analysis pointed to a rock-and-ice landslide in the Lhende River that dammed the waterway before releasing a sudden, catastrophic surge downstream.

Scientists have repeatedly warned that the Himalayan region is becoming more prone to this kind of disaster as glaciers melt and destabilize under rising temperatures — a pattern seen in similar, smaller floods on the same river in previous years.

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Damage Extends Deep Into Two Countries

In Nepal, homes, roads, bridges and several hydropower stations were destroyed, cutting electricity to already isolated communities. Nepal's National Disaster Risk Reduction and Management Authority said the debris flow originated roughly 20 kilometers northeast of the Rasuwagadhi border crossing.

On the Chinese side, the mudslide hit the Gyirong border port, a key trade and pilgrimage crossing point. China's state broadcaster reported three confirmed deaths and 265 people missing in the area, though independent verification of these figures from Tibet remains limited — a recurring challenge in a region where foreign media access is tightly restricted and information is filtered through state channels. A rescuer quoted by Chinese state television said roads leading to the border crossing had been completely destroyed, based on an initial drone survey.

The flood's downstream effects reached India as well. Authorities in the northern state of Bihar evacuated roughly 5,000 people as a precaution, with plans to move up to 12,000 in total.

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Outlook: A Long Search and Hard Questions Ahead

With rivers still running high and access to remote areas limited, officials on both sides of the border expect the confirmed death toll to keep climbing in the coming days. The United Nations has said it is mobilizing supplies and personnel to support affected communities in Nepal.

The disaster is likely to renew scrutiny of how well Himalayan border regions — heavily dependent on tourism, pilgrimage traffic and hydropower — are prepared for glacier-related flooding as climate change accelerates instability in the mountains. It may also raise fresh questions about the flow of reliable information out of Tibet, where independent verification of casualty figures remains difficult to obtain.

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