1218 GMT July 21, 2018
According to the Seismological Center of the Geophysics Institute of Tehran University, the tremor occurred at 12:15 hours local time (8:45 GMT) in an area located at 30.75 degrees latitude and 57.31 degrees longitude and in the depth of 10 kilometers, IRNA reported.
There is no immediate report on possible casualties or damage.
Another 6.1-magnitude quake also rocked the area on December 1.
The mentioned earthquake had over 300 aftershocks.