On 11 April 2012 a 8.6 magnitude earthquake occurred at 8.38 UTC, 437 km southwest of Banda Aceh in Indonesia and 33 km beneath the ocean floor, prompting a tsunami watch to be immediately issued f
The earthquake and tsunami that struck the north-eastern coast of Japan on 11 March, was a tragedy for the thousands of people who lost their lives and livelihoods.
Scientists are trialling the use of satellites to improve early warning systems but local weather watchers warn they won't prevent a repeat of the devastating floods that claimed lives last month.