According to the seismological base of Tehran University's Geophysics Institute, the tremor occurred at 09:02 hours local time (0432 GMT).
There were no immediate reports of any casualty or damage to property.
A devastating earthquake with a magnitude of 6.7 degrees on the Richter scale rocked the historical city of Bam, in the same province, on December 26, 2003, killing over 30,000 people and injuring tens of thousands of others.
Iran is situated on some of the world's most active seismic faultlines and quakes of varying magnitudes are usual occurrences.
... Payvand News - 8/28/04 ... --