The earthquake was recorded at 5:53 a.m. UTC. The quake's epicentre was located 22 kilometres east of the Tanaga volcano, which is part of the Aleutian Islands system. The epicentre lay at a depth of 10 kilometres.
No information was received regarding casualties and destruction. The tsunami threat was not announced.
The Geological Survey noted the “green level” of the earthquake threat, indicating a low probability of casualties and economic damage.