An earthquake measuring 4.3 on the Richter scale hit the city of Shiraz in Fars province, southern Iran, on Friday morning, state-run IRNA news agency reported.
The center of the quake was 34 kilometers from Shiraz and there has yet been no report on casualties or damage to properties by the quake in Shiraz and its surrounding area.
Another quake measuring 3.0 on the Richter scale also jolted Lar region in Fars province.
A mild earthquakes can cause high number of casualties in populated areas as in rural areas houses are built using mud.
In view of frequent tremors in the country the regime has no plan to improve the state of housing in accordance with standards for quake zones.
The worst in recent times hit city of Bam in Kerman province in December 2003 that a killed 31,000, quarter of its population.