An earthquake of magnitude 6.2 jolted northern Japan on Thursday, but no tsunami warning was issued.
The quake struck at 5:06 am local time (2008 GMT Wednesday) at a depth of 40 kilometers (25 miles) in Fukushima prefecture, according to the Japan Meteorological Agency.
Japan’s national broadcaster NHK said there were no immediate reports of casualties or damage. The operator of the Fukushima Dai-ichi nuclear power plant, which was crippled by the devastating quake and tsunami disaster of March 11, said there had been no abnormalities observed at the plant.
Public broadcaster NHK also said there was no danger of a tsunami, and there was no impact from the quake on flights or trains in the region.