Strong earthquake jolts northwest Japan: NHK

A strong and shallow earthquake with a preliminary magnitude of 4.7 hit northwest Japan today but there was no tsunami warning, public broadcaster NHK reported.

A strong and shallow earthquake with a preliminary magnitude of 4.7 hit northwest Japan on Thursday but there was no tsunami warning, public broadcaster NHK reported.

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There were no immediate reports of damage and Tokyo Electric Power Co said its Kashiwazaki Kariwa nuclear plant in the region was operating normally.