Nepal to rebuild early-warning system on China border after deadly flood, sources say
“The landscape is adjusting after the mega event, so [it] could trigger a few more landslides,” one Nepali government source says as Nepal installs sensors, cameras and VSAT.
Nepal Army soldiers work during a search-and-rescue operation outside a tunnel near the Hydropower Project sites, following deadly flash floods and mudslides, in Rasuwa district, Nepal, in this handout obtained by Reuters on September 2, 2026. (Photo: Nepal Army/Handout via REUTERS)
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KATHMANDU: Nepal plans to rebuild an early-warning system for landslides on part of its border with China, installing seismic sensors, cameras and a satellite link, two Nepali government sources told Reuters, a week after a glacial flood killed more than 1,000.
The equipment is being set up at Timure, a border settlement in Nepal’s Rasuwa district on the same river corridor along the border with China where a collapsing glacier sent a gigantic wall of mud, water and rock hurtling through mountain valleys.
At least 1,114 people have died in both countries, the vast majority in Nepal, and nearly 4,000 are still missing.
The stretch of border where the instruments will be placed lies in one of the most sensitive parts of Nepal’s frontier with China’s Tibet region, a high-altitude area closely watched by Kathmandu, Beijing and New Delhi.
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Nepal has not formally announced the plans, and the two sources spoke on condition of anonymity because they were not authorised to discuss the issue.
The officials said there was a sense of urgency to act.
“The landscape is adjusting after the mega event, so [it] could trigger a few more landslides,” one of the sources said.
HELICOPTER SURVEY
Central to the plan is a satellite system known as Very Small Aperture Terminal (VSAT), meant to keep monitoring posts connected even when mobile networks go down, so they can spot fresh hazards and issue warnings quickly, both sources said.
Such a blackout occurred when last week’s flood knocked out at least four gauging stations near the border.
“We had sensors and monitoring stations, but they were not being monitored extensively,” the source said, describing a previous early warning system that would send a message every few minutes but was swept away by Wednesday’s floods.
“Because we were unaware, we couldn’t check when they failed.”
For now, cameras, sensors and the VSAT will be installed at a single site by Nepal’s National Disaster Risk Reduction and Management Authority (NDRRMA) and more would follow, the second source said, adding that officials have already surveyed the area by helicopter to assess their placement.
An NDRRMA spokesperson did not immediately respond to Reuters emails and messages seeking comment.
China’s foreign minister and the country’s embassy in Nepal also did not immediately respond to a request for comment.
Since the disaster, China has said imagery of the affected areas, satellite and hydrological data, as well as early-warning information on upstream barrier lakes, have been shared with Nepal.
MINUTES TO SPARE
The immediate danger from two barrier lakes near the border – formed after the glacial collapse – has passed after they drained. But the terrain remains unstable and is being closely watched, one source said.
An early-warning system for any landslide-triggered events would give authorities only a few minutes to alert downstream communities of another flood, a brief window that could still prove critical.
Last week’s flood struck a border crossing at 8:32 a.m., but a public alert was not issued until 9:13 a.m., Reuters has reported.
Nepal had pressed China for more detailed, real-time sharing of data on glacier movements and water levels in the months before the disaster, and Nepali officials now plan to deepen their cooperation.
Source: Agencies/fs
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