Tokyo: A powerful 7.3 magnitude earthquake shook off the coast of Fukushima in northern Japan on Wednesday evening, triggering a tsunami advisory.
The Japan Meteorological Agency said the quake struck 60 kilometres (36 miles) below the sea.
The region is part of northern Japan that was devastated by a deadly 9.0 quake and tsunami in 2011 that also caused a nuclear disaster.
There are no immediate reports of casualties or damage.
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