The magnitude of the quake was revised up from an earlier 6.7 estimate and was at a depth of 22.3 km, the USGS said.
No Tsunami warning was issued following the quake. No casualties or injuries or property damage were reported. (ILKHA)
Notable quake, preliminary info: M 6.8 - 71 km ESE of Nikolski, Alaska https://t.co/YLvYiaqZcc