"The magnitude-6.5 quake struck 76 miles (122 kilometers) west of Arawa, the capital of Bougainville province, at a depth of 27 miles (43 kilometers), the U.S. Geological Survey," washingtonpost.com reports.
"The Pacific Tsunami Warning Center said there was no threat of a destructive, widespread tsunami and that sea-level gauges in the region showed no unusual wave activity. But the agency did say earthquakes of this size can sometimes generate tsunamis along coasts within 60 miles (100 kilometers) of the epicenter." the report added.
There has been no casualties or damage reported so far. Likewise no Tsunami warning was raised in the earthquake stricken coastal areas.
Earthquakes of this magnitude or lower are common occurrences in Papua New Guinea as the country is within the so called ring of fire
, an arc of earthquake and volcanic zones that stretches around the Pacific Rim and where about 90 percent of the world's quakes occur