Magnitude 7.9 (mww), 95 km deep, 140 km E of Kokopo, Papua New Guinea — 4.50°S, 153.52°E. December 17, 2016 at 10:51 UTC. Tsunami: USGS flags this quake as having caused one, or the potential for one. Felt reports to USGS: 14. https://earthquake.usgs.gov/earthquakes/eventpage/us200081v8 Data: US Geological Survey (public domain).