★ 5.1
★ 6.8
★ 7.8
★ 4.1
★ 5.4
★ 6.0
★ 6.9
★ 4.9
★ 7.0
★ 0.0
★ 8.2
★ 4.0
★ 8.0
★ 4.5
★ 3.7
An investigation by Professor of Geological Sciences, Roger Bilham, of the science behind the earthquake and tsunami off the coast of Japan on March 11, 2011.
