TOKYO -- The Japan Meteorological Agency says a 7.0-magnitude earthquake has struck off far northern Japan and far eastern Russia.
The tremor around midday Friday was in the Pacific Ocean at a relatively shallow depth of 6.2 miles.
The agency said sea changes were possible but no damage was expected.
The epicenter was 160 miles east-northeast of Kuril'sk, Russia, and 328 miles northeast of Nemuro, Japan.
The area is almost 930 miles northeast of Tokyo.