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2011 Japanese Earthquake and Tsunami - causes and effects
The first 200 words of this essay...
2011 Japanese Earthquake and Tsunami
At 14:46 (local time) on 11 March 2011 magnitude 9.0 earthquake struck 70km off the coast of Japan. The epicentre of the quake was 32km down with the main shock lasting for over five minutes. Due to the intensity of the earthquake, it was felt across almost the whole of Japan, being the most powerful earthquake to ever hit Japan. Also, the fact that such a large earthquake happened at sea meant a devastating tsunami ensued.
Due to Japan lying on the boundary between two major plates (Eurasian and Pacific), it receives earthquakes quite frequently. This specific earthquake was caused when the Eurasian plate is dragged down by the Pacific plate until the pressure is too great and the plate 'unzips'. This causes a massive displacement of the water at the epicentre sending large amounts of water thrusted towards land. While the plates settled back down again, over 1,000 aftershocks were caused, some happening weeks after the initial shock.
Although the earthquake was very large, its positioning and Japan's high standard building prevented the earthquake from doing considerable damage. The majority of the damage was caused by the
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