Japan earthquake: Tsunami Warning lifted after Strong 7.4 Magnitude Quake

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Japan earthquake: Tsunami Warning lifted after Strong 7.4 Magnitude Quake
Japan earthquake: Tsunami Warning lifted after Strong 7.4 Magnitude Quake

 

Coastal residents fled to higher ground as a powerful earthquake sent a series of moderate tsunami toward Japan’s northeastern shore Tuesday and fueled concerns about the Fukushima nuclear power plant destroyed by a much larger tsunami five year ago.

Lines of cars snaked away from the coast in the pre-dawn hours after authorities issued a tsunami warning and urged residents to seek higher ground immediately. The warning was lifted nearly four hours later.

The magnitude 7.4 earthquake struck in the same region that was devastated by a tsunami that followed a much larger magnitude 9.0 quake in 2011, killing some 18,000 people. The US Geological Survey measured Tuesday’s quake at 6.9.

At least 12 people were reported injured, and Japanese TV images showed items scattered on the floor in a store, and books that had fallen from shelves in a library. The earthquake shook buildings in Tokyo, 240 kilometers (150 miles) southwest of the epicenter.

Officials have said there is no sign of damage to the plant this time.

Japan earthquake

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 Japan Meteorological Agency (JMA) said in its latest update that no tsunami damage is expected, although there may be slight changes to the sea level.


The agency has also said the latest tremor was an aftershock of the 2011 quake.

A spokesman quoted by Japan Times said the area was still generating at least one earthquake of 7.0 magnitude or more each year.

Heading for higher ground

The depth of Tuesday’s quake was estimated to be 30km (18.6 miles), the JMA said.

Strong tremors could be felt as far away as the capital, Tokyo, 100 miles south of Fukushima prefecture. Buildings in the capital shook for at least 30 seconds.

The BBC’s Rupert Wingfield-Hayes in Tokyo says tens of thousands of people have heeded evacuation warnings and headed for higher ground.

Ships could be seen moving away from harbours in Fukushima prefecture and car manufacturer Nissan suspended work at its Fukushima engine factory.

Japan earthquake

A 1m wave hit the coastline near the Fukushima nuclear power plant, but Cabinet Chief Secretary Yoshihide Suga said at a televised news conference that “there was no problem”.

All reactors were shut down in 2011, but cooling is still needed for the used nuclear fuel stored on the site.

Mr Suga said the water cooling system on the third reactor had stopped working, but there were no signs of further damage or abnormalities.

Tokyo Electric Power, which operates the plant, later said it had restarted the cooling system, and reported only small temperature increases, within safety limits.

A wave of 60cm (2ft) arrived in Onahama Port in Fukushima, Japanese broadcaster NHK reported, and another of 90cm in Soma.

There so far appears to have been only minimal damage, and our correspondent says tsunami defences rebuilt since 2011 have ensured that waves have not caused flooding nor damage.

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.

Japan earthquake

Meanwhile, an earthquake of 5.6 magnitude and 30km depth hit an area 200km north east of the New Zealand capital, Wellington. There were no immediate reports of deaths or injuries.

Geoscience Australia senior seismologist Hugh Glanville told New Zealand’s Stuff news agency the quakes “are not directly related”.

“One did not cause the other, but are both a result of shifts in the Pacific plate,” he said.

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