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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.
Stationary Low-Power Reactor Number One, also known as SL-1, initially the Argonne Low Power Reactor (ALPR), was a United States Army experimental nuclear reactor in the western United States at the National Reactor Testing Station (NRTS) in Idaho about forty miles (65 km) west of Idaho Falls, now the Idaho National Laboratory.
August 1945: Criticality accident at US Los Alamos National Laboratory. Harry Daghlian dies. [62] May 1946: Criticality accident at Los Alamos National Laboratory. Louis Slotin dies. [62] 1950s. 13 February 1950: a Convair B-36B crashed in northern British Columbia after jettisoning a Mark IV atomic bomb. This was the first such nuclear weapon ...
The 1979 Three Mile Island accident in Pennsylvania was caused by a series of failures in secondary systems at the reactor, which allowed radioactive steam to escape and resulted in the partial core meltdown of one of two reactors at the site, making it the most significant accident in U.S. history. [8] The world's worst nuclear accident has ...
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 ...
On this day in 1957, the first underground nuclear test was carried out at the Nevada Test Site, a 1,375 square-mile research center located 65 miles away from Las Vegas.The 1,7 kiloton nuclear ...
On March 28, Three Mile Island Nuclear Generating Station's Unit 2 reactor experiences a partial core meltdown, in Pennsylvania, US. It is the worst nuclear accident in US history based on radioactive material released. [123] It is classed as a Level 5 nuclear accident out of seven on the International Nuclear Event Scale. [124] [125]
On 28 March 1979, the nuclear disaster occurred in the Three Mile Island Nuclear Generating Station. This was the first disaster in civilian nuclear power plants. By the Three Mile disaster, "China syndrome" became a vogue word, anti-nuclear movements occurred in the United States.