TOKYO, Nov. 29 (Xinhua) -- An earthquake with a preliminary 5.5-magnitude struck off Japan's northeastern Sanriku coast on Friday, the weather agency said here.

According to the Japan Meteorological Agency (JMA), the temblor, which occurred at 1:01 p.m. local time, was centered off the coast of Sanriku in northeastern Japan, with its epicenter at a latitude of 39.1 degrees north and a longitude of 143.1 degrees east, and occurred at depth of 10 km.