Magnitude 6.5 (mww), 119 km deep, 247 km ESE of Attu Station, Alaska — 52.39°N, 176.77°E. October 8, 2017 at 22:34 UTC. Tsunami: USGS flags this quake as having caused one, or the potential for one. Felt reports to USGS: 2. https://earthquake.usgs.gov/earthquakes/eventpage/us2000b2vq Data: US Geological Survey (public domain).