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The plant with seven units is the largest single nuclear power station in the world, which now again is shut down due to the Fukushima accident. [47] 0: 1 Dec 2009: Hamaoka, Japan: Leakage accident of radioactive water. 34 workers were exposed to radiation: 0: Mar 2011: Fukushima Dai-ichi, Japan: The world's second INES 7 accident.
Nuclear reactors line the riverbank at the Hanford Site along the Columbia River in January 1960. This image of the core from the SL-1 disaster, Idaho Falls, Idaho, USA , served as a reminder of the necessity for proper reactor practice and safeguards.
The Windscale fire resulted when uranium metal fuel ignited inside plutonium production piles; surrounding dairy farms were contaminated. [33] [34] The severity of the incident was covered up at the time by the UK government, as Prime Minister Harold Macmillan feared that it would harm British nuclear relations with America, and so original reports on the disaster and its health impacts were ...
The world's first nuclear reactor meltdown was the NRX reactor at Chalk River Laboratories, Ontario, Canada in 1952. [22] The worst nuclear accident to date is the Chernobyl disaster which occurred in 1986 in the Ukrainian SSR, now Ukraine.
The 2011 Fukushima Daiichi nuclear disaster, the worst nuclear accident in 25 years, displaced 50,000 households after radiation leaked into the air, soil and sea. [1] Deceased Liquidators' portraits used for an anti-nuclear power protest in Geneva. This image of the SL-1 core served as a reminder of deaths and damage that a nuclear meltdown ...
A nuclear meltdown (core meltdown, core melt accident, meltdown or partial core melt [2]) is a severe nuclear reactor accident that results in core damage from overheating. The term nuclear meltdown is not officially defined by the International Atomic Energy Agency [ 3 ] or by the United States Nuclear Regulatory Commission . [ 4 ]
A massive earthquake and tsunami caused nuclear meltdowns at the Fukushima Daiichi plant in 2011. The company, Tepco, has been pumping in water to the plant to cool down the reactor's fuel rods.
Nuclear aspect: the damage must be related directly to nuclear operations or materials; the event should involve fissile material or a reactor, not merely (for example) having occurred at the site of a nuclear power plant. Primarily civilian: the nuclear operation/material must be principally for non-military purposes.