( CNN ) -- A magnitude 6.7 earthquake rattled Papua New Guinea early Friday afternoon , according to the U.S. Geological Survey . The quake was centered about 200 miles north-northeast of Port Moresby and had a depth of 28 miles . No tsunami warning was issued , according to the Tsunami Warning Center . Papua New Guinea is on the so-called Ring of Fire , an arc of fault lines circling the Pacific Basin that is prone to frequent earthquakes and volcanic eruptions .
Papua New Guinea is on the so-called Ring of Fire . It 's on an arc of fault lines that is prone to frequent earthquakes . No tsunami warning was issued .