The quake hit the outskirts of Kerman in Iran with a depth of 10km at around 9.40pm GMT and was followed by a 5.0 magnitude aftershock.
No reports have emerged about casualties or damage so far.
Earlier this month the region was rocked by a 6.0 magnitude earthquake.
The earthquake, which hit at 2.32am GMT, was initially recorded at a magnitude of 6.3 but was later downgraded to 6.0.
The aftershock measuring in at a 5.0 magnitude struck around 15 minutes later, according to the USGS.

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The earthquakes struck the Kerman province which has a population of around 800,000.
The Iran-Iraq border was devastated by a 7.3 magnitude earthquake on November 12 which killed 540 people and injured at least 8,000 others.
More to follow…