Magnitude 6.9 (mww), 10 km deep, central Mid-Atlantic Ridge — 0.93°N, 26.85°W. September 18, 2020 at 21:43 UTC. Tsunami: USGS flags this quake as having caused one, or the potential for one. https://earthquake.usgs.gov/earthquakes/eventpage/us7000bq10 Data: US Geological Survey (public domain).