List of Accidents and Disasters By Death Toll - Nuclear and Radiation Accidents

Nuclear and Radiation Accidents

1. 4,056 – Chernobyl disaster, Ukraine, April 26, 1986. 56 direct deaths and 4,000 extra cancer deaths.
2. 200 – Mayak nuclear waste storage tank explosion, (Chelyabinsk, Soviet Union, 29 September 1957), 270,000 people were exposed to dangerous radiation levels.
3. 33 – Windscale Fire, United Kingdom, October 8, 1957. Fire ignites plutonium piles and contaminates surrounding dairy farms.
4. 17 – Instituto Oncologico Nacional of Panama, August 2000 -March 2001; patients receiving treatment for cancer receive lethal doses of radiation.
5. 13 – Radiotherapy accident in Costa Rica, 1996. (114 patients received an overdose of radiation).
6. 11 – Radiotherapy accident in Zaragoza, Spain, December 1990. (27 patients were injured).
7. 10 – Soviet submarine K-431 accident, August 10, 1985 (49 people suffered radiation injuries).
8. 10 – Columbus radiotherapy accident, 1974–1976, 88 injuries.
9. 9 – Soviet submarine K-27 accident, 24 May 1968. (83 people were injured).
10. 8 – Soviet submarine K-19 accident, July 4, 1961. (More than 30 people were over-exposed to radiation).
11. 8 – Radiation accident in Morocco, March 1984.
12. 7 – Houston radiotherapy accident, 1980.
13. 5 – Mihama Nuclear Power Plant accident, August 9, 2004. Hot water and steam leaked from a broken pipe. / Lost radiation source, Baku, Azerbaidjan, USSR, October 5, 1982. 13 injuries.
14. 4 – Goiânia accident, September 13, 1987 (249 people received serious radiation contamination). / Radiation accident in Mexico City, 1962.
15. 3 – SL-1 accident (US Army) 1961. / Samut Prakan radiation accident: Three deaths and ten injuries resulted when a radiation-therapy unit was dismantled, February 2000.
16. 2 – Tokaimura nuclear accident, nuclear fuel reprocessing plant (Japan, September 30, 1999).