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Japan hit by 'strong' earthquake Japan hit by 'strong' earthquake
(40 minutes later)
A strong earthquake has hit north-western Japan, triggering small tsunami waves, officials say.A strong earthquake has hit north-western Japan, triggering small tsunami waves, officials say.
The quake of preliminary magnitude 6.6 struck off the coast of Niigata, some 260km (160 miles) north-west of Tokyo, Japan's meteorological agency says.The quake of preliminary magnitude 6.6 struck off the coast of Niigata, some 260km (160 miles) north-west of Tokyo, Japan's meteorological agency says.
It says waves up 50cm (20 inches) high were reported to have hit the coast.It says waves up 50cm (20 inches) high were reported to have hit the coast.
The tremor - which hit the country at 0113 GMT - also swayed buildings in Tokyo. So far there have been no reports of any injuries or damage.The tremor - which hit the country at 0113 GMT - also swayed buildings in Tokyo. So far there have been no reports of any injuries or damage.
A fire was reported at an electricity supply area at the Kashiwazaki nuclear plant, which is close to the epicentre of the earthquake.
But officials said that the plant was automatically shut down and there was no fear of radiation.
A tsunami warning was issued, but it was later lifted.A tsunami warning was issued, but it was later lifted.
Earthquakes are common in Japan, which is situated in one of the world's most seismically active areas, and the country regularly holds safety drills.Earthquakes are common in Japan, which is situated in one of the world's most seismically active areas, and the country regularly holds safety drills.
In October 2004, an earthquake with a magnitude of 6.8 struck Niigata, killing 65 people, and in 1995 a magnitude 7.2 tremor killed more than 6,400 in Kobe.In October 2004, an earthquake with a magnitude of 6.8 struck Niigata, killing 65 people, and in 1995 a magnitude 7.2 tremor killed more than 6,400 in Kobe.