The Japan Meteorological Agency has issued a tsunami advisory in the country after a strong earthquake of magnitude 7.2 hit the north-eastern zone.

The advisory, on Wednesday, stated that the Tsunami height is expected to be about 0.5 meters.

As per the US Geological Survey, the earthquake occurred around 169 kilometers off the eastern coast of Honshu.

Japan's government broadcaster, NHK reported that the focus of the tremor was 10 km (6 miles) below the surface of the earth, off the coast of Aomori prefecture.

Japan, being a major earthquake zone, earthquakes of varying sizes is seen in the region frequently. Apart from frequent low intensity earth tremors and occasional volcanic activity; destructive earthquakes, often resulting in tsunamis, occur several times a century.