The tremors occurred at 8:38 local time (UTC +4:30), according to a report from the seismography center affiliated with Tehran University Geophysics Institute, Iran's state-run IRINN TV reported.
The earthquake's epicenter was located at a depth of 8 kilometers underground and near the city of Sisakht.
Reportedly, electricity has been disrupted in some areas. The quake has caused damage to some buildings as well.
The Iranian media outlets reported that shocked people rushed to the streets. There was no immediate report on possible casualties.
Iran sits astride several major faults in the earth's crust and is prone to frequent earthquakes, many of which have been devastating.
A 7.2 magnitude earthquake jolted the Kermanshah province last November killing about 600 people, leaving even more injured.
The earthquake destroyed a big number of residential units in the urban and rural areas of the province.
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