Watch Live Japan Tsunami Earthquake Online News Video Stream

Watch Live Japan Tsunami Earthquake Online News Video Stream

A tsunami alert has been issued for Japan's northeast coast after a strong earthquake shook buildings as far away as Tokyo.

The tremor struck in the Pacific Ocean at a depth of 23 miles, and the epicentre was 285 miles from the capital.

The earthquake had a preliminary magnitude of 7.3, the US Geological Survey said, adding that