What caused the landslide?

Initial reports of an earthquake on the Nepal-Tibet border led many to believe that a tremor had caused a landslide, which in turn caused the devastating floods early on Wednesday. However, the US Geological Survey (USGS) later confirmed the disaster was caused by a "glacial collapse", which is when a glacier or part of a glacier disintegrates. The impact of the collapsed glacier hitting the bottom of a valley was so powerful that it registered a magnitude of 5.2, according to the agen