JAPAN TREMOR: Was this the big one?
Just how powerful was the March 11 earthquake that hit Japan? US geological survey data said the magnitude 8.9 (Richter scale) temblor that hit the Northeastern coast of Japan had a power equivalent to 336 megaton of TNT. If compared for instance to the atom bombs that were dropped in Nagasaki and Hiroshima 1946 during the end of… Read More »