Magnitude 6.8 (mww), 476 km deep, 90 km NE of Rabaul, Papua New Guinea — 3.68°S, 152.79°E. August 31, 2016 at 03:11 UTC. Tsunami: USGS flags this quake as having caused one, or the potential for one. Felt reports to USGS: 3. https://earthquake.usgs.gov/earthquakes/eventpage/us10006iy0 Data: US Geological Survey (public domain).