Magnitude 6.8 (mww), 11 km deep, 178 km W of Lata, Solomon Islands — 10.88°S, 164.17°E. May 20, 2015 at 22:48 UTC. Tsunami: USGS flags this quake as having caused one, or the potential for one. https://earthquake.usgs.gov/earthquakes/eventpage/us10002b03 Data: US Geological Survey (public domain).