Magnitude 6.8 (mww), 38 km deep, 109 km NE of Hihifo, Tonga — 15.35°S, 172.99°W. December 4, 2022 at 19:24 UTC. Tsunami: USGS flags this quake as having caused one, or the potential for one. Felt reports to USGS: 19. https://earthquake.usgs.gov/earthquakes/eventpage/us6000j6w8 Data: US Geological Survey (public domain).