“A powerful earthquake has struck off the coast of Fukushima in north-east Japan, triggering a tsunami as residents were urged to flee to higher ground.
“The earthquake had a preliminary magnitude of 7.3 but was later downgraded to 6.9 by the US Geological Survey.
“It epicentre was at a depth of about 10 kilometres, off the coast of the Fukushima nuclear power plant, which suffered a triple meltdown after the 2011 quake and tsunami disaster.
“Since the quake hit at 6:00am (local time) there have been a number of small tsunamis registered along the coastline, ranging from 30 centimetres to 1.4 metres.”
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