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Tsunamis and Their Impacts
When earthquakes occur beneath the sea, a can be triggered. When this happens the energy released by the tremor travels in waves across the ocean at high until the waves reach a place where the seabed is shallower. Here the waves can to many metres in height. On 11 March 2011, a massive tsunami hit the coast of . Its epicentre was in the Ocean, just off the main island of . One of the most serious impacts was on near Fukushima. Here, reactors were knocked out by the and leaked from the plant. After this incident, the Japanese public insisted that all nuclear reactors should be .