Magnitude 6.8 (mww), 23 km deep, 103 km E of Kokopo, Papua New Guinea — 4.38°S, 153.20°E. March 8, 2018 at 17:39 UTC. Tsunami: USGS flags this quake as having caused one, or the potential for one. Felt reports to USGS: 12. https://earthquake.usgs.gov/earthquakes/eventpage/us1000d1kv Data: US Geological Survey (public domain).