The earthquake was registered at 23:43 UTC Time (01.43 Malta Time)
There were no immediate reports of damage or casualties.
Prime Minister Andrej Plenkovic called on citizens to remain outside their homes amid potential aftershocks. Plenkovic and Interior Minister Davor Bozinovic also appealed for people rushing onto the streets to keep social distances from each other as the country struggles to contain the spread of coronavirus. So far, Croatia has reported 206 cases of the virus and one death.
In Miami, Florida, several downtown buildings were evacuated as office workers streamed outdoors to safety.
Broadcasters showed footage of a 35-year old woman and her infant daughter being rescued from under the rubble 28 hours after the magnitude 6.8 quake struck Elazig province.
International organizations pledged billions of dollars in aid after the earthquake on Jan. 12, 2010.