A strong earthquake has struck off the coast of the Pacific nation of Papua New Guinea. There are no immediate reports of damage or injuries and no tsunami alert was issued.
The U.S. Geological Survey says the magnitude-6.2 quake struck Monday 46 miles (73 kilometers) south of the town of Kavieng on the island of New Ireland. The earthquake struck at a depth of 21 miles (34 kilometers).
The Pacific Tsunami Warning Center did not issue a tsunami alert.
The Pacific island nation of Papua New Guinea lies on the "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.