Tehran, Jan 30, IRNA-An earthquake measuring 3.9 on the Richter scale jolted the southern portion of Gachsaran city in southeastern Kohgilouyeh and Boyer-Ahmad province in the wee hours of Monday.

According to the seismological base of the Geophysics Institute of Tehran University, the quake occurred at 01:40 hours local time (22:10 GMT on Sunday).

The quake was felt in an area measuring 50.6 degrees in longitude and 30.09 degrees in latitude.

There have been no reports of any casualty or damage to property caused by the quake.

Iran is often hit by quakes of varying magnitudes as it sits on some of the world's most active seismic fault lines.