The quake struck on 21 May at 21:48 (13: 48 GMT) local time at a depth of 10 km near the city of Dali, Yunnan Province, China. The tremor followed a 5.3-magnitude quake that hit 27 minutes earlier near the same area, according to the USGS.
According to the local authorities, at least two people died and nine others were injured during the quake.
Local citizens have been notified to stay away from buildings by the China Earthquake Networks Centre.
The European-Mediterranean Seismological Centre (EMSC) reported that the earthquake’s aftershock was felt as far away as Hanoi, Vietnam.
In 2014, at least 398 people died after a 6.1-magnitude earthquake struck Ludian County in the same province. Thousands of houses collapsed after the quake and tens of thousands of people lost their homes.