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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 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.
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 ...
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 ...
Nuclear experts have warned of the risk of damage to the plant's spent nuclear fuel pools or its reactors. Cuts in power needed to cool the pools could cause a disastrous 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 ]
On March 11, 2011, a magnitude 9.0 quake hit off the coast of northeast Japan, triggering a tsunami that devastated towns and villages and sparked the world's worst nuclear accident since Chernobyl.