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disputed. Kyshtym disaster. 1957, September 29. An improperly stored underground tank of high-level radioactive waste exploded. Death count unknown, estimates range from 50 to more than 9,000. 78. Chernobyl disaster. 1986, April 28. At least 78 are believed to have been directly killed by the disaster (31 due to the explosion, 28 due to ...
A nuclear and radiation accident is defined by the International Atomic Energy Agency (IAEA) as "an event that has led to significant consequences to people, the environment or the facility." Examples include lethal effects to individuals, large radioactivity release to the environment, or a reactor core melt. [6]
The Chernobyl disaster began on 26 April 1986 with the explosion of the No. 4 reactor of the Chernobyl Nuclear Power Plant near the city of Pripyat in northern Ukraine, near the Belarus border in the Soviet Union. [1] It is one of only two nuclear energy accidents rated at the maximum severity on the International Nuclear Event Scale, the other ...
2011 Fukushima Daiichi nuclear disaster. 2001 Instituto Oncologico Nacional radiotherapy accident. 2000 Samut Prakan radiation accident, Thailand. [3] 1999 and 1997 Tokaimura nuclear accidents. 1996 San Juan de Dios radiotherapy accident. 1994 Theft of radioactive material in Tammiku, Estonia.
Nuclear reactor accidents continued into the 1960s with a small test reactor exploding at the Stationary Low-Power Reactor Number One in Idaho Falls in January 1961 resulting in three deaths which were the first fatalities in the history of U.S. nuclear reactor operations. [6] There was also a partial meltdown at the Enrico Fermi Nuclear ...
No radiation-related deaths or acute diseases have been observed among the workers and general public exposed to radiation from the accident (Chapter II A(b) paragraph 38). Adults living in the city of Fukushima were estimated to have received, on average, an effective dose of about 4 mSv (Chapter II A(a) paragraph 30).
[There were no deaths due to deterministic effects (i.e., people receiving a high dose of radiation, rapidly becoming ill, and dying); the 100–240 figure is an estimate of the number of people who died later in life due to cancer caused by radiation from the accident [30]]. 95–4,000+ [31] [32] 26 April 1986 Chernobyl disaster.
18 October 2011. Karachi, Pakistan. The KANUPP Karachi nuclear power plant imposed a seven-hour emergency after heavy water leaked from a feeder pipe to the reactor. The leakage took place during a routine maintenance shut down, and the emergency was lifted seven hours later, after the affected area was isolated.