Nepal flood triggered by mountain collapse in minutes
By The BriefBrief
Scientists explain how a mountain collapse set off Nepal’s deadly flood within about seven minutes. They describe warning signs such as a shrinking river and a seismic signal that was initially mistaken for an earthquake, followed by a chain reaction turning rock, ice and water into a catastrophic flood.
WHO:Scientists and hazard monitoring experts
WHAT:A mountain collapse triggered a rapid chain reaction that produced a catastrophic flood in Nepal.
WHEN:Reported Sep 6, 2026 at 2:18 AM ET
WHERE:Nepal
WHY:Cause not yet established.
How this story developed (showing 11 of 11 earlier reports)