Nepal's flood sensors failed. Could earthquake sensors have warned people?
By CNA Insider
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When a deadly flood struck Nepal, the flood sensors meant to warn people failed. Now, electrical engineer Saroj Dhoj Joshi believes an algorithm analysing earthquake sensor data could help detect future floods more reliably. When a massive avalanche triggered the flood on Aug 26, several river-monitoring sensors were destroyed before they could send an alert. But earthquake sensors some 50 kilometres away detected vibrations that continued for hours. Unlike earthquakes, which typically produce vibrations lasting just minutes, floods can generate prolonged seismic signals. Saroj hopes to develop technology that can distinguish floods from other disturbances, pinpoint their location and warn communities downstream. "You cannot stop this kind of event. But then at least you can warn people and save their lives," says Saroj. Watch the full documentary Nepal: The Flood's Wake. #cnainsider #nepal #floods For more, SUBSCRIBE to CNA INSIDER! https://cna.asia/insideryoutubesub Follow
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