On July 18, 2017, an earthquake struck near the Komandorski Islands, east of the Kamchatka Peninsula in the Bering Sea at 11:34 local time. Although there were no casualties from this earthquake, it was notable for a rare characteristic known as supershear, and is one of the few times a large supershear earthquake has been observed. It was preceded by a few foreshocks months earlier, and aftershocks that continued for nearly six months. Magnitude 7.7 (mww), 10 km deep, Komandorskiye Ostrova, Russia region — 54.44°N, 168.86°E. July 17, 2017 at 23:34 UTC. Tsunami: USGS flags this quake as having caused one, or the potential for one. Felt reports to USGS: 8. Wiki link https://earthquake.usgs.gov/earthquakes/eventpage/us20009x42 Data: US Geological Survey (public domain).