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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]
The world's worst nuclear accident has been the 1986 Chernobyl disaster in the Soviet Union, one of two accidents that has been rated as a level 7 (the highest) event on the International Nuclear Event Scale. [9] Note that the Chernobyl disaster may have scored an 8 or 9, if the scale continued.
Globally, there have been at least 99 (civilian and military) recorded nuclear reactor accidents from 1952 to 2009 (defined as incidents that either resulted in the loss of human life or more than US$50,000 of property damage, the amount the US federal government uses to define major energy accidents that must be reported), totaling US$20.5 billion in property damages.
Chernobyl Reactors 5 and 6 are unbuilt reactors, a part of Chernobyl Nuclear Power Plant's third generation phase. Intended as RBMK-1000 units capable of approximately 1,000 megawatts each, construction began on 1 July 1981 and was partially completed by the time of the Chernobyl disaster on 26 April 1986. The reactors were abandoned afterwards ...
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 Chernobyl Nuclear Power Plant [a] (ChNPP) is a nuclear power plant undergoing decommissioning. ChNPP is located near the abandoned city of Pripyat in northern Ukraine , 16.5 kilometres (10 mi) northwest of the city of Chernobyl , 16 kilometres (10 mi) from the Belarus–Ukraine border , and about 100 kilometres (62 mi) north of Kyiv .
The Exclusion Zone was established on 2 May 1986 () soon after the Chernobyl disaster, when a Soviet government commission headed by Nikolai Ryzhkov [8]: 4 decided on a "rather arbitrary" [6]: 161 area of a 30-kilometre (19 mi) radius from Reactor 4 as the designated evacuation area. The 30 km Zone was initially divided into three subzones: the ...
Estimated number of deaths from the Chernobyl nuclear disaster A map showing caesium-137 contamination in the Chornobyl area in 1996. The Chernobyl disaster of 26 April 1986 triggered the release of radioactive contamination into the atmosphere in the form of both particulate and gaseous radioisotopes.