An urgent tsunami warning has been issued in Japan after a massive 7.4 earthquake.
The Japan Meteorological Agency has issued a tsunami warning along the coastal areas of Ishikawa, Niigata and Toyama prefectures.
According to Japanese news channel NHK, waves of up to 5 meters are expected off the coast of the Noto Peninsula in Ishikawa Prefecture.
The quake comes after an earthquake with a preliminary magnitude of 7.4 struck the north-central part of the country.
Hokuriku Electric Power said it is monitoring for any irregularities at its nuclear power plants, NHK reported.
This is a breaking story.