Magnitude 6.6 (mww), 453 km deep, Bonin Islands, Japan region — 27.13°N, 140.13°E. April 18, 2020 at 08:25 UTC. Tsunami: USGS flags this quake as having caused one, or the potential for one. Felt reports to USGS: 41. https://earthquake.usgs.gov/earthquakes/eventpage/us70008z89 Data: US Geological Survey (public domain).