Two weeks ago marked the third anniversary of the Fukuskima Dai-ichi nuclear power plant disaster, which occurred when the 9.0-magnitude Tohoku earthquake triggered a massive tsunami off the coast of Japan. Forty-five foot waves inundated backup generators with seawater, resulting in a total loss of power at the plant. Without electricity to cool the nuclear reactors, dangerous gases built up within the system, ultimately leading to cataclysmic explosions.

As a result from the explosions and efforts to cool the reactors with massive amounts of water, certain radioisotopes washed into the ocean. Concerned scientists have continued monitor the levels of Iodine-131, Cesium-134, and Cesium-137 since the disaster.

Fukushima Daiichi Power Plant Layout. Hydrogen gas built up in Units 1-3 and exploded within 3 days after the tsunami. Unit 4 was damaged during these explosions.

Fukushima Daiichi Power Plant Layout. Hydrogen gas built up in Units 1-3 and exploded within 3 days after the tsunami. Unit 4 was damaged during these explosions.

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