List of nuclear and radiation accidents by death toll
There have been several nuclear and radiation accidents involving fatalities, including nuclear power plant accidents, nuclear submarine accidents, and radiotherapy incidents.
List of accidentsEdit
|disputed||Kyshtym disaster||September 29, 1957||Death count unknown, estimates range from 50 to more than 8,000|
|disputed||Chernobyl disaster||April 26, 1986|||
|disputed||Windscale fire||October 8, 1957|||
|17||Instituto Oncologico Nacional of Panama||August 2000 – March 2001||Patients receiving treatment for prostate cancer and cancer of the cervix receive lethal doses of radiation.|
|13||Radiotherapy accident in Costa Rica||1996||114 patients received an overdose of radiation from a cobalt-60 source that was being used for radiotherapy.|
|11||Radiotherapy accident in Zaragoza, Spain||December 1990||Cancer patients receiving radiotherapy; 27 patients were injured.|
|10||Soviet submarine K-431 reactor accident||August 10, 1985||49 people suffered radiation injuries.|
|10||Columbus radiotherapy accident||1974–1976||88 injuries from cobalt-60 source.|
|9||Soviet submarine K-27 reactor accident||May 24, 1968||83 people were injured.|
|8||Soviet submarine K-19 reactor accident||July 4, 1961||More than 30 people were over-exposed to radiation.|
|8||Radiation accident in Morocco||March 1984|||
|7||Houston radiotherapy accident||1980|||
|5||Lost radiation source, Baku, Azerbaijan, USSR||October 5, 1982||13 injuries.|
|4||Goiânia accident||September 13, 1987||249 people received serious radiation contamination from lost radiotherapy source.|
|4||Radiation accident in Mexico City||1962|
|3||SL-1 accident (US Army)||1961|
|3||Samut Prakan radiation accident||February 2000||Three deaths and ten injuries resulted when a radiation-therapy unit was dismantled.|
|2||Tokaimura nuclear accident||September 30, 1999|||
|2||Meet Halfa, Egypt||May 2000||two fatalities due to radiography accident.|
|1||Mayapuri radiological accident, India||April 2010|||
|1||Daigo Fukuryū Maru||March 1, 1954|
|1||Louis Slotin||May 21, 1946|
|1||Harry Daghlian||August 21, 1945||at Los Alamos National Laboratory in New Mexico.|
|1||Cecil Kelley criticality accident||December 30, 1958||at Los Alamos National Laboratory.|
|1||Wood River Junction, Rhode Island||1964||Operator error at nuclear facility, Robert Peabody died 49 hours later|
|1||Constituyentes Atomic Center||September 23, 1983||Malfunction INES level 4 at RA2 reactor in Argentina, operator Osvaldo Rogulich died days later.|
|1||San Salvador, El Salvador||1989||one fatality due to violation of safety rules at 60Co irradiation facility.|
|1||Tammiku, Estonia||1994||one fatality from disposed 137Cs source.|
|1||Sarov, Russia||June 1997||one fatality due to violation of safety rules.|
Events with disputed fatality countsEdit
Estimates of the total number of deaths potentially resulting from the Chernobyl disaster vary enormously: A UNSCEAR report proposes 45 total confirmed deaths from the accident as of 2008[update]. This number includes 2 non-radiation related fatalities from the accident itself, 28 fatalities from radiation doses in the immediate following months and 15 fatalities due to thyroid cancer likely caused by iodine-131 contamination; it does not include 19 additional individuals initially diagnosed with acute radiation syndrome who had also died as of 2006[update], but who are not believed to have died due to radiation doses. The World Health Organization (WHO) suggested in 2006 that cancer deaths could reach 4,000 among the 600,000 most heavily exposed people, a group which includes emergency workers, nearby residents, and evacuees, but excludes residents of low-contaminated areas. A 2006 report, commissioned by The Greens and sponsored by the Altner Combecher Foundation, predicted 30,000 to 60,000 cancer deaths as a result of worldwide Chernobyl fallout by assuming a linear no-threshold model for very low doses. A Greenpeace report puts this figure at 200,000 or more. A disputed Russian publication, Chernobyl, concludes that 985,000 premature deaths occurred worldwide between 1986 and 2004 as a result of radioactive contamination from Chernobyl.
The Kyshtym disaster, which occurred at Mayak in Russia on 29 September 1957, was rated as a level 6 on the International Nuclear Event Scale, the third most severe incident after Chernobyl and Fukushima. Because of the intense secrecy surrounding Mayak, it is difficult to estimate the death toll of Kyshtym. One book claims that "in 1992, a study conducted by the Institute of Biophysics at the former Soviet Health Ministry in Chelyabinsk found that 8,015 people had died within the preceding 32 years as a result of the accident." By contrast, only 6,000 death certificates have been found for residents of the Tech riverside between 1950 and 1982 from all causes of death, though perhaps the Soviet study considered a larger geographic area affected by the airborne plume. The most commonly quoted estimate is 200 deaths due to cancer, but the origin of this number is not clear. More recent epidemiological studies suggest that around 49 to 55 cancer deaths among riverside residents can be associated to radiation exposure. This would include the effects of all radioactive releases into the river, 98% of which happened long before the 1957 accident, but it would not include the effects of the airborne plume that was carried north-east. The area closest to the accident produced 66 diagnosed cases of chronic radiation syndrome, providing the bulk of the data about this condition.
At least 33 cancer fatalities (estimated by UK government) in Windscale, United Kingdom, on October 8, 1957. The Windscale fire resulted when uranium metal fuel ignited inside plutonium production piles; surrounding dairy farms were contaminated.
In a 2013 report, the United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR) stated the overall health risks from the Fukushima disaster to be far lower than those of Chernobyl. There have been no observed or expected deterministic effects. In pregnancies, there has been no expected increase in spontaneous abortions, miscarriages, perinatal mortality, birth defects, or cognitive impairment. Finally, there was no expected discernible increase in heritable disease or discernible radiation-related increases in any cancers, with the possible exception of thyroid cancer. However, the high detection rates of thyroid nodules, cysts, and cancer may be a consequence of intensive screening. In a 2015 white paper, UNSCEAR stated its findings from 2013 remain valid and largely unaffected by new information, and the new information further supports the statement that high thyroid detection is likely due to more intensive screening.
None of the workers at the Fukushima Daiichi site have died from acute radiation poisoning, though six workers died due to various reasons, including cardiovascular disease, during the containment efforts or work to stabilize the earthquake and tsunami damage to the site.
In contrast, an opinion piece in the Wall Street Journal cites a 2013 Japanese study, which concluded that mortality due to "evacuation stress" from the area around Fukushima had reached more than 1600. This includes deaths from suicide and lack of access to critical health care, but not from radiation, increased cancer, or any other direct result of the nuclear accident. The author also states these deaths occurred among people who had been evacuated from areas where the radiation posed little or no risk to their health, areas where they would experience less exposure than the normal amount received by residents in Finland.
There is a class action lawsuit brought by sailors on the USS Reagan against Tokyo Electric Power (TEPCO) who are allegedly suffering severe radiation induced illnesses. The USS Reagan was part of the operation "Tomodachi" to deliver essential supplies to devastated communities in the wake of the Tsunami on March 11, 2011. The wind was blowing out to sea from the Fukushima accident. If it had been blowing west instead of east, the sailors might not have been affected.
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- UNSCEAR (2014). Sources, Effects and Risks of Ionizing Radiation (Report). United Nations.
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- The Worst Nuclear Disasters TIME magazine