The seismic event occurred on Tuesday at 12:36 local time (04:36 Moscow time). The epicenter was in the Pacific Ocean, 141 kilometers south of the uninhabited island of Onekotan.
As the head of the Yuzhno-Sakhalinsk seismic station, Elena Semenova, noted, the source of the tremors was at a depth of 26 kilometers.
In the settlements of the Kuril Islands, residents did not feel the tremors. No tsunami threat was announced.