A magnitude 6 earthquake jolted north-central China on Monday evening, the US Geological Survey said.
The tremor hit 36 kilometers (22 miles) west and northwest of Linxia City, with a depth of 10 kilometers (6.2 miles).
No damage to life or infrastructure has so far been reported.
Linxia City, once known as Hezhou, is a county-level city in the province of Gansu, China and the capital of the multi-ethnic Linxia Hui Autonomous region.