<p>Tokyo: An earthquake with a preliminary magnitude of 7.6 hit north central Japan on Monday, public broadcaster <em>NHK</em> said.</p><p>The Japan Meteorological Agency issued a tsunami warning along western coastal regions of Ishikawa, Niigata and Toyama prefectures.</p><p>Tsunami of up to 5 metres high are believed to be reaching Noto in Ishikawa Prefecture, according to the weather agency.</p><p>Waves more than 1 metre high hit the coast of Wajima City in Ishikawa Prefecture, <em>NHK</em> reported.</p><p>Hokuriku Electric Power said it is checking for any irregularities at its nuclear power plants, <em>NHK</em> reported.</p><p>According to the Japanese Meteorological Agency, the region saw as many as 16 after shocks following the 7.6 quake.</p>
<p>Tokyo: An earthquake with a preliminary magnitude of 7.6 hit north central Japan on Monday, public broadcaster <em>NHK</em> said.</p><p>The Japan Meteorological Agency issued a tsunami warning along western coastal regions of Ishikawa, Niigata and Toyama prefectures.</p><p>Tsunami of up to 5 metres high are believed to be reaching Noto in Ishikawa Prefecture, according to the weather agency.</p><p>Waves more than 1 metre high hit the coast of Wajima City in Ishikawa Prefecture, <em>NHK</em> reported.</p><p>Hokuriku Electric Power said it is checking for any irregularities at its nuclear power plants, <em>NHK</em> reported.</p><p>According to the Japanese Meteorological Agency, the region saw as many as 16 after shocks following the 7.6 quake.</p>