Tokyo:
An earthquake measuring 6.4-magnitude hit northern Japan early on Monday; however, there was no tsunami warning and no immediate reports of damage, US and Japanese seismologists said.
The underwater quake happened at 6:56am, 500 kilometres north of Tokyo, according to the US Geological Survey(USGS). Its depth was estimated at 24 kilometres, USGS said.
No tsunami warning was issued by the Japan Meteorological Agency either.
Around 20 per cent of the world's most powerful earthquakes strike Japan, that has developed one of the most sophisticated tsunami warning systems.
Residents routinely hold drills to prepare for major earthquakes.
The underwater quake happened at 6:56am, 500 kilometres north of Tokyo, according to the US Geological Survey(USGS). Its depth was estimated at 24 kilometres, USGS said.
No tsunami warning was issued by the Japan Meteorological Agency either.
Around 20 per cent of the world's most powerful earthquakes strike Japan, that has developed one of the most sophisticated tsunami warning systems.
Residents routinely hold drills to prepare for major earthquakes.
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