An earthquake with a preliminary magnitude of 5.6 struck Fukushima prefecture in northeastern Japan today at around 7.05pm local time, the Japan Meteorological Agency said.
There were no reports of abnormalities due to the quake at Tokyo Electric Power's crippled Fukushima Daiichi nuclear power plant, a spokeswoman for the utility said.
The focus of the tremor was off the coast of Fukushima prefecture, about 240km northeast of Tokyo, the meteorological agency said.
Reuters
