The seismological base of Geophysics Institute of Tehran University registered the quake at 15:07 hours local time (10:37 GMT).
There were no immediate reports of any casualties or damage caused by the quake.
A powerful earthquake, measuring 5.5 degrees on the Richter scale struck almost half of Iran on Friday. At least 22 people were killed and 200 others injured.
Iran is situated on some of the world's most active seismic fault lines and quakes of varying magnitudes are of usual occurrence.
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