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For related articles and more information, please visit OCA's Politics and Democracy page and our Health Issues page. "Fukushima is the biggest industrial catastrophe in the history of mankind," Arnold Gundersen, a former nuclear industry senior vice president, told Al Jazeera. Japan's 9.0 earthquake on March 11 caused a massive tsunami that crippled the cooling systems at the Tokyo Electric Power Company's (TEPCO) nuclear plant in Fukushima, Japan. It also lead to hydrogen explosions and reactor meltdowns that forced evacuations of those living within a 20km radius of the plant. Gundersen, a licensed reactor operator with 39 years of nuclear power engineering experience, managing and coordinating projects at 70 nuclear power plants around the US, says the Fukushima nuclear plant likely has more exposed reactor cores than commonly believed. "Fukushima has three nuclear reactors exposed and four fuel cores exposed," he said, "You probably have the equivalent of 20 nuclear reactor cores because of the fuel cores, and they are all in desperate need of being cooled, and there is no means to cool them effectively."
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Potres uzrokovao probleme i u drugoj nuklearnoj elektrani Još jedna nuklearna elektrana u japanskoj pokrajini Fukushima ima problema sa sustavom hlađenja nakon što je veliki potres razorio sjeveroistočni dio Japana Tri reaktora te elektrane izgubila su dio kapaciteta za hlađenje, objavila je kompanija Tokyo Electric Power (TEPCO). Ta druga nuklearna elektrana udaljena je 12 kilometara od nuklearne elektrane Fukushima 1 koja je već ranije proglasila izvanredno stanje jer je u jednoj kontrolnoj sobi radijacija porasla tisuću puta u odnosu na normalnu razinu. Obje nuklearne elektrane nalaze se oko 250 kilometara sjeverno od Tokija u regiji koju je u petak pogodio potres magnitude 8,9 stupnjeva po Richteru. Japanski premijer Naoto Kan naredio je evakuaciju oko 45.000 stanovnika koji žive u radijusu od oko deset kilometara od nuklearne elektrane Fukushima 1. Japanske vlasti naredile su evakuaciju i stanovnika koji žive u radijusu od 3 kilometra od elektrane Fukushima 2.