Japan earthquake live: New tremor measuring 5.7 magnitude hits days after megaquake warning issued - The megaquake warning covers approximately 800 miles (1,300 kilometres) from Chiba to Hokkaido

A major earthquake of 7.6 magnitude has hit Japan's north-eastern region, prompting tsunami warnings and orders to evacuate residents.

According to reports, another offshore megaquake in the Hokkaido-Sanriku area of Japan could cause up to a 98-foot tsunami in the region, kill as many as 199,000 people, destroy up to 220,000 houses a...