People living on large swathes of Japan's coastline have been urged to evacuate after a powerful 7.5-magnitude earthquake struck, triggering a tsunami warning. The Japan Meteorological Agency said a tsunami of up to 10ft could strike, with the most powerful waves set to hit the Iwate prefecture, where residents in 11 towns have been told to take shelter on higher ground and soldiers have been deployed in response. It came after the quake, registering a preliminary magnitude of 7.5, hit off the