An earthquake, measuring 4 degrees on the open-ended Richter scale, shook the city of Gachsaran in the southwestern province of Kohkilouyeh and Boyerahmad early Monday, IRNA reported.
The seismological base of the Geophysics Institute, affiliated to Tehran University, said the tremor occurred at 02:38 hours local time (2308 GMT).
There were no reports of any casualty or damage caused by the quake.
An earthquake, measuring 3.7 degrees on the Richter scale, jolted the city of Dehdasht in the same province Friday evening.
Iran is situated on some of the world's most active seismic faultlines and quakes of varying magnitude are of usual occurrence.
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