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What We Know — and Don’t Know — About What Caused the Nepal Flood Wave

  • On Wednesday, a massive wave of floodwater engulfed a Nepal-China border crossing, forcing residents to flee the area immediately. Security camera footage captured the sudden, destructive surge as it crashed through the mountainous region.
  • Following the disaster, investigators are checking if a 4.4 magnitude earthquake reported by the Geological Survey caused the landslide. The event likely involved an "avalanche" of ice and rock tearing down into the Lhende Khola River.
  • Daniel Shugar, a geologist at the University of California, reported the event "was probably seismic energy released by a landslide." His group theorizes a rock landslide created a rapidly moving, water-logged mix of sediment, ice, and rock.
  • Nepal remains vulnerable to "glacial lake outbursts," where melting glacier-formed lakes burst through dams, sending debris cascading down valleys. Tom Robinson, a lecturer at the University of Canterbury in New Zealand, noted these dams are no different to constructed ones.
  • Climate change often plays a role in these monsoon-fueled events, as glacier ice loss rates in the Hindu Kush Himalaya have doubled since 2000, creating enormous risks for the nearly 2 million people living downstream of them.
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14 Articles

Lean Right

Flash floods in Nepal have caused massive devastation in several areas. Three possibilities are being investigated as to where the river's water suddenly came from. Meanwhile, the threat of the Gandak River reaching India via the Ganges is also being monitored.

Right

At least 100 people have lost their lives, while the number is expected to rise as the water level recedes - The number of missing tourists is now 579

·Marousi, Greece
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CNNCNN
+5 Reposted by 5 other sources
Lean Left

People flee as huge wave of floodwater engulfs Nepal-China border crossing

Security camera footage shows the shocking moment flood water crashes through the Nepal-China border area. People are seen running away as the water appears to wipe out everything in its path.

·Atlanta, United States
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CNN broke the news in Atlanta, United States on Wednesday, August 26, 2026.
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