Date/Year
|
Country Incident Occurred In
|
Answer
|
October 10, 1952
|
United Kingdom
|
Windscale Fire
|
July 2, 1956
|
United States
|
Sylvania Electric Products explosion
|
March 1957
|
United States
|
US Atomic Energy Commission incident in Houston
|
June 1958
|
United States
|
Y-12 National Security Complex criticality incident
|
1975
|
Italy
|
Brescia Radiation Incident
|
1977
|
United Kingdom
|
Dounreay Nuclear Power Development Establishment Explosion
|
July 13, 1978
|
Soviet Union
|
Institute for High Energy Physics particle accelerator incident
|
July 16, 1979
|
United States
|
Church Rock uranium mill spill
|
September 29, 1979
|
United States
|
American Atomics tritium leak
|
1981
|
United States
|
Douglas Crofut radiation exposure incident
|
July 1981
|
United States
|
Nine Mile Point radioactive waste water spill
|
1982
|
United States
|
International Nutronics Cobalt-60 spill
|
1982
|
Taiwan
|
Unknown source of Cobalt-60 release
|
December 6, 1983
|
Mexico
|
Ciudad Juarez Cobalt-60 contamination incident
|
1985-1987
|
Various Countries
|
Therac-25 radiotherapy machine overexposure incidents
|
September 13, 1987
|
Brazil
|
Goiania Incident
|
June 6, 1988
|
United States
|
Radiation Sterilizers Inc Caesium-137 leak
|
February 5, 1989
|
El Salvador
|
San Salvador radiation exposure incident
|
1989
|
Ukraine SSR
|
Kramatorsk Radiological Incident
|
June 24, 1990
|
Israel
|
Soreq Radiation Incident
|
December 10-20, 1990
|
Spain
|
Zaragoza Radiological Accident
|
October 26, 1991
|
Belarus
|
Nesvizh Radiation Incident
|
June 1992
|
United Kingdom
|
Institute for Animal Health radiation exposure
|
November 16, 1992
|
United States
|
Indiana Regional Cancer Center radiation exposure incident
|
November 19, 1992
|
China
|
Xinzhou radiation incident
|
August 31, 1994
|
United States
|
Commerce township Michigan homemade neutron device
|
October 21, 1994
|
Estonia
|
Theft of radioactive material in Tammiku
|
September 1996
|
Costa Rica
|
Radiation overexposure of radiotherapy patients
|
May 1998
|
Spain
|
Acerinox Incident
|
December 1998
|
Turkey
|
Cobalt-60 exposure by multiple people
|
1999
|
Kenya
|
Mrima Hill road built using radioactive materials
|
1999
|
Peru
|
Iridium-192 exposure by a construction worker
|
February 1, 2000
|
Thailand
|
Samut Prakan Radiation Incident
|
August 2000-March 2001
|
Panama
|
Instituto Oncologico Nacional overexposure incidents
|
February 2001
|
Poland
|
Bialystok Oncology Center Medical Accelerator Malfunction Incident
|
December 2, 2001
|
Georgia
|
Lia Radiological Incident
|
March 11, 2002
|
United Kingdom
|
Improper handling and transport of Cobalt-60 from Cookridge Hospital to Sellafield
|
2003
|
Russia
|
Radioisotope Thermoelectric Generator discovered on the Cape of Navarin
|
September 10, 2004
|
Russia
|
Yukutia RTG mishandling
|
2005
|
United Kingdom
|
Dounreay radioactive reprocessing residues spilled
|
2005-2006
|
France
|
Epinal Radiotherapy Accident
|
March 11, 2006
|
Belgium
|
Fleurus Radiation Incident
|
2006
|
United Kingdom
|
Beatson Oncology Centre radiation overexposure incident
|
January 23, 2008
|
United States
|
Mad River Community Hospital radiation overexposure incident
|
August 23-24, 2008
|
Belgium
|
Fleurus nuclear material leak
|
February 2008-August 2009
|
United States
|
Cedars Sinai Medical Center radiation overexposure incidents
|
April 2010
|
India
|
New Delhi radiation exposure incident
|
July 2010
|
Italy
|
Port of Genoa radioactive material detection
|
August 2010
|
Germany
|
Caesium-137 source found under asphalt
|
October 2011
|
Brazil
|
Rio de Janeiro hospital radiation overexposure incident
|
May 2013
|
Japan
|
J-PARC radioactive isotope leakage incident
|
May 2013
|
United State
|
ASOS.com radioactive materials seizure
|
December 2013
|
Mexico
|
Tijuana radioactive transport hijacking
|
August 2018
|
Malaysia
|
Radioactive material stolen during transport
|
May 2021
|
India
|
Mumbai uranium seizure
|