Magnitude 7.4 earthquake strikes Japan, tsunami warning issued

An earthquake with a preliminary magnitude of 7.6 hit north central Japan on Monday, public broadcaster NHK said.

The Japan Meteorological Agency issued a tsunami warning along the western coastal regions of Ishikawa, Niigata and Toyama prefectures.

Tsunami of up to 5 metres high are believed to be reaching Noto in Ishikawa Prefecture, according to the weather agency.