TOKYO - An earthquake with a preliminary magnitude of 6.2 struck off the Sanriku coast in northeastern Japan at around 4:23 pm local time (0723 GMT) Monday, the Japan Meteorological Agency (JMA) said.

The temblor originated at a depth of about 10 km. While slight sea-level changes may occur, the JMA said there is no risk of tsunami damage.

The quake registered an intensity of 3 on Japan's seismic scale of 7 in several locations across the Tohoku region.

No immediate injuries or damage were reported.