The tremor occurred on Tuesday at 9:14 p.m. local time (0:14 GMT) about 100 kilometers (62 miles) away from Aksu county. The epicenter of the earthquake lay at a depth of 10 kilometers.
Seismologists recorded 10 repeated aftershocks, the strongest of them had a magnitude of 3.4.
As of Wednesday, three deaths have been registered as a result of the tremor. A total of 65 houses were also reported damaged or destroyed by the earthquake, 16 of which collapsed along with the roof.