Japan issues tsunami warning after earthquake

Japan issued a tsunami warning today after a 6.8-magnitude earthquake struck off its eastern coast.

There were no immediate reports of injuries or damage.

The quake struck at 3:11pm (06.11 Irish time) about 120 miles off the coast of Chiba prefecture (state), the Meteorological Agency said. It was centred six miles below the ocean floor.

The agency issued warnings for tsunami, or waves caused by seismic activity.