An earthquake measuring 4.3 degrees on the open-ended Richter scale jolted parts of the northeastern city of Ferdows in Khorassan province early Sunday.
The seismological base of Geophysics Institute affiliated to Tehran University said the tremor, whose epicenter was 290 kilometers southwest of Mashhad, occurred at 00:32 hours local time (2102 GMT).
Another earthquake, measuring 4.2 degrees on the open-ended Richter scale, shook parts of the city of Firouzabad, in the southern province of Fars, on Sunday.
The seismological base of the Geophysics Institute of Tehran University recorded the tremor at 09:12 hours local time (542GMT) 75 kilometers southeast of Firouzabad.
There has been no no immediate report of any damage to life or property.
Iran is situated on some of the world's seismic faultlines and quakes of different magnitudes are regular occurrences.
Since 1991, over 950 earthquakes have hit the country, resulting in the death of 17,600 people and injuries to 53,300 others.
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