New Delhi, Aug. 28 -- Nepal is still reeling from the aftermath of the deadly flash floods that claimed over 350 lives on Wednesday. Hundreds are still missing and rescue teams are racing against time to look for survivors amid the mountain of debris left behind by the flash floods in Nepal's Nuwakot and Rasuwa districts.

According to scientists, the flash flood in the Trishuli River was caused by a glacier collapse across the border in Tibet, not by an earthquake, as initially believed. Based on seismic and satellite data, as well as videos of the event, scientists say the chain of events began after the bedrock beneath gave way, leading to the collapse of a very large section of a glacier.

According to the US Geological Survey, the im...