TOKYO, June 23 (Xinhua) -- An earthquake with a preliminary magnitude of 4.9 on Sunday struck off the northeastern Japanese prefecture of Fukushima, said the country's weather agency.

The temblor occurred at around 12baccaratdog:12 p.m. local time (0312 GMT) at a depth of 50 km, measuring 4 on the Japanese seismic intensity scale of 7 in Fukushima, the Japan Meteorological Agency (JMA) said, adding that there was no threat of a tsunami.

The epicenter was located at a latitude of 37.1 degrees north and a longitude of 141.2 degrees east.

Tremors were also felt in the prefectures of Miyagi, Ibaraki and Tochigi.

No new abnormalities were reported at the crippled Fukushima Daiichi Nuclear Power Plant and the Fukushima Daini Nuclear Power Plant following the quake, according to Tokyo Electric Power Company, the plants' operator.

There were no immediate reports of injuries or major damage.■