The quake epicentered in an area located at 30.61 degrees latitude and 49.98 degrees longitude.
There has yet been no report on the possible number of casualties or damage to properties by the quake.
Iran sits astride several major faults in the earth's crust, and is prone to frequent earthquakes, many of which have been devastating.
The worst in recent times hit Bam in Kerman province in December 2003, killing 31,000 people - about a quarter of its population, and destroying the city's ancient mud-built citadel.
