Tabriz, East Azarbaijan Prov, Aug 23, IRNA-An earthquake measuring 4 on the Richter scale hit southern parts of port city of Sharafkhaneh in this northwestern province on Tuesday.
Tabriz Seismography Network, affiliated to the Geophysics Institute of Tehran University, said the quake occurred at 11:43 hours local time (0713 GMT).
Sharafkhaneh is located at the eastern coast of Orumiyeh lake.
No reports have yet been available on possible damage to property.
Quakes of varying magnitudes are of usual occurrence in Iran, which lies on one of the world's most active seismic fault lines.
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