More than a year on from the devastating earthquake and tsunami that struck the north eastern shores of Japan, killing around 20,000 people, scientists are still trying to understand what happened and why. Two separate drilling expeditions on the sea bed are studying traces left behind after the Tohoku disaster in a bid to better predict the recurrence times and size of future earthquakes.
THE ‘Great Tohoku Earthquake’ which shook Japan just over a year ago in March 2011 was, at a magnitude of 9.0 on the Richter scale, the most powerful known earthquake to have hit the country since records began in 1900.
But new geological data suggests there may ...
