A 5.8-magnitude quake struck off Papua New Guinea on Sunday, the United States Geological Survey reported.
The quake was registered at 09:29 (UTC), 206 km to the south-west of the town of Kavieng in the province of New Ireland, seismologists say. The epicentre of the quake is at a depth of 10 kilometres.
No injuries or damage have so far been reported.
Papua New Guinea is located in the so-called Pacific 'Ring of Fire', an area with very high seismic activity.