Magnitude 7.7 (mww), 196 km deep, Pagan region, Northern Mariana Islands — 18.54°N, 145.51°E. July 29, 2016 at 21:18 UTC. Tsunami: USGS flags this quake as having caused one, or the potential for one. Felt reports to USGS: 129. https://earthquake.usgs.gov/earthquakes/eventpage/us100068jg Data: US Geological Survey (public domain).