Magnitude 6.6 (mww), 10 km deep, northern East Pacific Rise — 10.28°N, 103.74°W. April 29, 2016 at 01:33 UTC. Tsunami: USGS flags this quake as having caused one, or the potential for one. https://earthquake.usgs.gov/earthquakes/eventpage/us10005cc4 Data: US Geological Survey (public domain).