WASHINGTON: Deadly surges of mud and water that hit “like liquid concrete” are practically inconceivable to foretell and cannot be outrun.
The reason for the deadly landslides and floods along the Nepal-Tibet border just isn’t but sure, however specialists say the danger of such occasions is compounded by the acute topography of the Himalayas.
Not less than 160 had been killed and tons of are lacking within the wake of the catastrophe Wednesday morning.
Video from the Chinese language facet exhibits a raging wall of mud and particles crashing over a constructing a number of tales excessive, engulfing it and sweeping away buses and vehicles like they’re toys.
It’s too quickly to attract any agency hyperlinks to local weather change, however there are well-documented traits within the “Roof of the World” which have elevated the chance of such hazards.
LANDSLIDE, THEN TREMORS, SAYS USGS
Nepal’s International Minister Shishir Khanal stated an earthquake possible triggered a landslide that in flip blocked a river, sending water gushing downstream after it will definitely breached the obstruction.
However in a brand new observe, the US Geological Survey stated that whereas the occasion was initially reported as a magnitude 4.4 earthquake, “further evaluation of lengthy interval seismic waves signifies that the seismic power was as an alternative generated by a landslide”.
A preliminary evaluation by the Kathmandu-based Worldwide Centre for Built-in Mountain Growth (ICIMOD) discovered “no anomalies” from the Chinese language facet of the border.
“We imagine a rock-ice avalanche occurred in Nepal, blocking the Lhende river and inflicting the cascading flood occasion,” Sarthak Shrestha, a distant sensing and geo info analyst with the intergovernmental institute, instructed AFP.
Hatim Sharif, a hydrologist on the College of Texas San Antonio, instructed AFP one factor that struck him was the dearth of rainfall beforehand.
“That defeats primarily each operational flood warning system on this planet,” he stated.
