Mother nature showed once again who really is the head of the earth. Japan is used to and prepared for earthquakes (see list of major earthquakes in Japan) but who can be prepared for an earthquake of magnitude 9.0 and a tsunami triggered by it? According to the news I heard on radio a couple of days ago, three tsunamis of the size of the 11th of March tsunami in Japan, has occurred the last 3000 years.
About 300 km from Tokyo is an underwater so called triple junction, where three tectonic plates meet (Toda et al.). Scientists believe that a fragment of the Pacific tectonic plate is jammed between the Pacific, the Philippine and the Eurasian tectonic plates (Toda et al.), and that the probability for a major earthquake within 30 years in the region is 30 % (Stein et al.). After the 11th of March earthquake this probability might have to be reconsidered (read more), and some scientists fear more large aftershocks, or even a "mega quake" in the region (read more).
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