(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.
where the Ring of Fire is? What is the Ring of Fire? What cause the frequent earthquakes? What warning was not issued?
Papua New Guinea an arc of fault lines circling the Pacific Basin that is prone to frequent earthquakes and volcanic eruptions. Ring of Fire, an arc of fault lines circling the Pacific Basin tsunami
question: where the Ring of Fire is?, answer: Papua New Guinea | question: What is the Ring of Fire?, answer: an arc of fault lines circling the Pacific Basin that is prone to frequent earthquakes and volcanic eruptions. | question: What cause the frequent earthquakes?, answer: Ring of Fire, an arc of fault lines circling the Pacific Basin | question: What warning was not issued?, answer: tsunami