Magnitude 7.5 (mww), 47 km deep, South Sandwich Islands region — 57.57°S, 25.03°W. August 12, 2021 at 18:32 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/us6000f4ly Data: US Geological Survey (public domain).