TOKYO, April 11 (Xinhua) -- An earthquake with a preliminary magnitude of 6.0 struck off the coast of Miyagi Prefecture in the Sanriku region on the northeastern side of the island of Honshu, the weather agency here said Thursday.

According to the Japan Meteorological Agency (JMA), the temblor's epicenter was located at a latitude of 40.4 degrees north and longitude of 143.4 degrees east and occurred at a depth of 10 km.