TEHRAN, Jan. 6 (Xinhua) -- An earthquake measuring 5.1 on the Richter scale jolted Sar Pol Zahab city in Iran's western province of Kermanshah on Saturday at 18:52 local time (1522 GMT), Iran's Seismological Center reported.

The epicenter, with a depth of 8 km, was initially determined to be at 34.458 degrees north latitude and 45.791 degrees east longitude.

People in Sar Pol Zahab city rushed to the streets in fear, local reports said.

The tremor has caused no casualties so far, said reports of assessment teams dispatched to Sar Pol Zahab and the suburban villages.

Old buildings in the city and villages suffered damage from the quake, which was also felt in the neighboring province of Ilam.

At least 600 Iranians died in a 7.3-magnitude earthquake that hit the Kermanshah province on Nov. 12 last year.