On 25 April 2015, at 11:56 NST, an earthquake with an estimated magnitude of 7.8 (), hit Kathmandu and its surrounding region, leading to the collapse of the tower. The earthquake's epicenter was approximately  east-southeast of Lamjung, Nepal.
On April 25, 2015, at 11:56 NST, a massive earthquake with an estimated magnitude of 7.8 () hit Kathmandu and its surrounding neighborhoods, resulting in the collapse of the tower. The quake's epicenter was situated roughly east-southeast of Lamjung, Nepal.