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        Part of Uranium
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        A Radioactive Earth: Earthquakes, Tsunami and Fukushima | Uranium: Twisting the Dragon's Tail

        Learn about radioactive decay in Okuma, Fukushima, Japan, in this clip from Uranium: Twisting the Dragon's Tail. On March 11, 2011 an earthquake caused a tsunami off the coast of Japan causing a catastrophic accident at the Fukushima nuclear reactor. High levels of radiation were released into the air and settled on the land and sea. Watch Derek visit the town of Okuma which has been abandoned since the accident as the level of radiaition is around five or six micro seiverts an hour, fifty times higher than the natural background raditation.

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