Incident: FukushimaINES level: 5Year: 2011 Description: Reactor shutdown after the 2011 Sendai earthquake and tsunami; failure of emergency cooling caused an explosion | Incident: OnagawaINES level:Year: 2011 Description: Reactor shutdown after the 2011 Sendai earthquake and tsunami caused a fire |
Incident: FleurusINES level: 4Year: 2006 Description: Severe health effects for a worker at a commercial irradiation facility as a result of high doses of radiation | Incident: ForsmarkINES level: 2Year: 2006 Description: Degraded safety functions for common cause failure in the emergency power supply system at nuclear power plant |
Incident: ErwinINES level:Year: 2006 Description: Thirty-five litres of a highly enriched uranium solution leaked during transfer | Incident: SellafieldINES level: 3Year: 2005 Description: Release of large quantity of radioactive material, contained within the installation |
Incident: AtuchaINES level: 2Year: 2005 Description: Overexposure of a worker at a power reactor exceeding the annual limit | Incident: BraidwoodINES level:Year: 2005 Description: Nuclear material leak |
Incident: PaksINES level: 3Year: 2003 Description: Partially spent fuel rods undergoing cleaning in a tank of heavy water ruptured and spilled fuel pellets | Incident: TokaimuraINES level: 4Year: 1999 Description: Fatal overexposures of workers following a criticality event at a nuclear facility |
Incident: YanangioINES level: 3Year: 1999 Description: Incident with radiography source resulting in severe radiation burns | Incident: IkitelliINES level: 3Year: 1999 Description: Loss of a highly radioactive Co-60 source |
Incident: IshikawaINES level: 2Year: 1999 Description: Control rod malfunction | Incident: TomskINES level: 4Year: 1993 Description: Pressure buildup led to an explosive mechanical failure |
Incident: CadaracheINES level: 2Year: 1993 Description: Spread of contamination to an area not expected by design | Incident: VandellosINES level: 3Year: 1989 Description: Near accident caused by fire resulting in loss of safety systems at the nuclear power station |
Incident: GreifswaldINES level:Year: 1989 Description: Excessive heating which damaged ten fuel rods | Incident: GoilniaINES level: 5Year: 1987 Description: Four people died and six received doses of a few Gy from an abandoned and ruptured highly radioactive Cs-137 source |
Incident: ChernobylINES level: 7Year: 1986 Description: Widespread health and environmental effects. External release of a significant fraction of reactor core inventory | Incident: Hamm-UentropINES level:Year: 1986 Description: Spherical fuel pebble became lodged in the pipe used to deliver fuel elements to the reactor |
Incident: TsuragaINES level: 2Year: 1981 Description: More than 100 workers were exposed to doses of up to 155 millirem per day radiation | Incident: Saint Laurent des EauxINES level: 4Year: 1980 Description: Melting of one channel of fuel in the reactor with no release outside the site |
Incident: Three Mile IslandINES level: 5Year: 1979 Description: Severe damage to the reactor core | Incident: Jaslovsk BohuniceINES level: 4Year: 1977 Description: Damaged fuel integrity, extensive corrosion damage of fuel cladding and release of radioactivity |
Incident: ChapelcrossINES level:Year: 1967 Description: Graphite debris partially blocked a fuel channel causing a fuel element to melt and catch fire | Incident: MonroeINES level:Year: 1966 Description: Sodium cooling system malfunction |
Incident: CharlestownINES level:Year: 1964 Description: Error by a worker at a United Nuclear Corporation fuel facility led to an accidental criticality | Incident: Santa Susana Field LaboratoryINES level:Year: 1959 Description: Partial core meltdown |
Incident: Chalk RiverINES level:Year: 1958 Description: Due to inadequate cooling a damaged uranium fuel rod caught fire and was torn in two | Incident: VincaINES level:Year: 1958 Description: During a subcritical counting experiment a power buildup went undetected - six scientists received high doses |
Incident: KyshtymINES level: 6Year: 1957 Description: Significant release of radioactive material to the environment from explosion of a high activity waste tank. | Incident: Windscale PileINES level: 5Year: 1957 Description: Release of radioactive material to the environment following a fire in a reactor core |
Incident: Chalk RiverINES level: 5Year: 1952 Description: A reactor shutoff rod failure, combined with several operator errors, led to a major power excursion of more than double the reactor's rated output at AECL's NRX reactor |