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Earthquake sparks Japan tsunami warning Japan earthquake sparks tsunami warning near Fukushima
(about 1 hour later)
A 7.4 magnitude earthquake off north-eastern Japan near Fukushima prefecture has prompted a tsunami warning of possible 3m (10ft) waves.A 7.4 magnitude earthquake off north-eastern Japan near Fukushima prefecture has prompted a tsunami warning of possible 3m (10ft) waves.
The quake struck on Tuesday morning at about 06:00 local time (21:00 GMT, Monday), the Japan Meteorological Agency said.The quake struck on Tuesday morning at about 06:00 local time (21:00 GMT, Monday), the Japan Meteorological Agency said.
The depth of the quake was estimated to be around 25km (15.5 miles).The depth of the quake was estimated to be around 25km (15.5 miles).
In 2011, a large tsunami caused by a quake destroyed the Fukushima nuclear power plant.In 2011, a large tsunami caused by a quake destroyed the Fukushima nuclear power plant.
A tsunami warning was also issued for Miyagi prefecture, where a 1.4m wave (4.6ft) was observed at Sendai port.A tsunami warning was also issued for Miyagi prefecture, where a 1.4m wave (4.6ft) was observed at Sendai port.
The US Geological Survey initially put the magnitude at 7.3 but later downgraded this to 6.9, lower than the number given by the Japanese authorities.The US Geological Survey initially put the magnitude at 7.3 but later downgraded this to 6.9, lower than the number given by the Japanese authorities.
A 1m (3.3ft) wave hit the coastline near the Fukushima nuclear plant, the AFP news agency said.
Tokyo Electric Power has been checking the Fukushima plant for damage from the latest quake.Tokyo Electric Power has been checking the Fukushima plant for damage from the latest quake.
Cabinet Chief Secretary Yoshihide Suga told a televised news conference that the water cooling system on the third reactor of the Fukushima plant had stopped working, but there were no signs of temperatures rising and no other abnormalities at other nuclear facilities. Cabinet Chief Secretary Yoshihide Suga told a televised news conference that the water cooling system on the third reactor of the Fukushima plant had stopped working, but there were no signs of damage and no other abnormalities at other nuclear facilities.
The plant operator later said it had restarted the cooling system. The plant operator later said it had restarted the cooling system, and reported only small temperature increases, within safety limits.
All reactors in the Fukushima nuclear plant were shut down following the 2011 disaster, but cooling is still needed for the used nuclear fuel stored on the site.All reactors in the Fukushima nuclear plant were shut down following the 2011 disaster, but cooling is still needed for the used nuclear fuel stored on the site.
Damage from the quake remains unclear, but there are some reports of minor injuries. Tremors were felt in Tokyo and residents were urged to evacuate some coastal areas.Damage from the quake remains unclear, but there are some reports of minor injuries. Tremors were felt in Tokyo and residents were urged to evacuate some coastal areas.
Ships could be seen moving away from harbours in Fukushima prefecture. Ships could be seen moving away from harbours in Fukushima prefecture, and car manufacturer Nissan suspended work at its Fukushima engine factory.
So far, a wave of 60cm (2ft) has arrived in Onahama Port in Fukushima, Japanese broadcaster NHK reported, and another of 90cm in Soma. But the warning of possible larger waves remains in force. A wave of 60cm (2ft) has arrived in Onahama Port in Fukushima, Japanese broadcaster NHK reported, and another of 90cm in Soma. A warning of possible larger waves remains in force.
Local media said the tsunami would hit repeatedly, and warned locals not to leave shelter until the warning was lifted.Local media said the tsunami would hit repeatedly, and warned locals not to leave shelter until the warning was lifted.
Japan lies in a particularly seismically active region and accounts for around 20% of quakes worldwide of magnitude 6.0 or more.Japan lies in a particularly seismically active region and accounts for around 20% of quakes worldwide of magnitude 6.0 or more.
At least 50 people died in two quakes in the southern Kumamoto prefecture in April.At least 50 people died in two quakes in the southern Kumamoto prefecture in April.
More than 18,000 were killed or reported missing following the 2011 Fukushima disaster.More than 18,000 were killed or reported missing following the 2011 Fukushima disaster.
Have you been affected by the earthquake? If it is safe to do so, you can share your experience by emailing haveyoursay@bbc.co.uk.Have you been affected by the earthquake? If it is safe to do so, you can share your experience by emailing haveyoursay@bbc.co.uk.
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