The National Earth Physics Institute said the quake hit at 02:11 am (local time) today and its epicenter was in the eastern Vrancea region, known for its seismic activity.
There were reports of minor damage and injuries in the city of Iasi.
Emergency situations official Silvia Bolohan told national news agency Agerpres two people suffered minor injuries there.
She said plaster fell off one building, and there were reports of objects falling in peoples' homes. Some residents spent the night outside. A dozen people called Iasi's emergency services after suffering panic attacks.
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