A major earthquake occurred in Nepal on 12 May 2015 at 12:50 pm local time with a moment magnitude of 7.3, 18 kilometres (11 mi) southeast of Kodari. The epicenter was on the border of Dolakha and Sindhupalchowk, two districts of Nepal. This earthquake occurred on the same fault as the larger magnitude 7.8 earthquake of 25 April, but further east than the original quake. As such, it is considered to be an aftershock of the April quake. It struck at a depth of 18.5 km (11.5 mi). Shaking was felt in northern parts of India including Bihar, Uttar Pradesh and West Bengal. Tremors were felt as far as about 2,400 km away from the epicenter in Chennai.

Kodari is a small village located at the border with Tibet-China. The village is located at the end–point of the Arniko Highway, which connects Kodari with the capital city of Kathmandu. Kathmandu is 144 kilometres (89 mi) away from Kodari. Kodari is a major border crossing from Nepal into the Tibet Autonomous Region.