The US Geological Survey said the quake had a depth of 31 kilometres (20 miles) and hit at 5:32am (2032 GMT Sunday) some 140 kilometres east of the city of Sendai.[break]
In March last year a 9.0-magnitude undersea earthquake off Japan´s northeast coast triggered a monster tsunami, leaving about 19,000 people dead or missing and crippling the Fukushima
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