The Nepal floods question: When the Himalayas collapse, who gets warned?

On August 26, a mass of ice and rock broke loose in Nepal's Rasuwa district, triggering a violent surge down the Lhende Khola River, resulting in over 1,400 deaths and 6,000 missing. Twelve hydropower plants were destroyed, and many infrastructures were washed away. Scientists and disaster managers are grappling with how to warn communities about disasters triggered in hard-to-monitor terrains.