Nuclear incidents and meltdowns – far more than we realised

Incidents AND MELTDOWNS AND THERE ARE FAR MORE THAN WE REALISED
FUKUSHIMA
CHERNOBYL SELLAFIELD THE INLAND SANTA SUSANA FIRES SANTA SUSANNA MELTDOWNS. INCIDENTS ANS WILDFIRES AT LOS ALAMOS
WILD FIRES AT HANFORD
THE GREEN RUN
THE NUCLEAR MELTDOWN IN 1969 IN SWITZERLAND
The recent chinese reactor nuclear incident.
INCIDENTS 1957 to 2011
with multiple fatalitIies

September 29, 1957 Mayak, Kyshtym, Soviet Union The Kyshtym disaster was a radiation contamination accident (after a chemical explosion that occurred within a storage tank) at Mayak, a Nuclear fuel reprocessing plant in the Soviet Union.
October 10, 1957 Sellafield, Cumberland, United Kingdom Windscale fire was a fire at the British atomic bomb project (in a plutonium-production-reactor) damaged the core and released an estimated 740 terabecquerels of iodine-131 into the environment. A rudimentary smoke filter constructed over the main outlet chimney successfully prevented a far worse radiation leak.

March – July 1959 , Santa Susana Field Lab , Western San Fernando Valley, USA. At least four of the ten nuclear reactors suffered accidents incl Partial meltdown, 1964, 1969 further accidents
January 3, 1961 Idaho Falls, Idaho, United States Explosion at SL-1 prototype at the National Reactor Testing Station. All 3 operators were killed when a control rod was removed too far.
October 5, 1966 Frenchtown Charter Township, Michigan, United States Meltdown of some fuel elements in the Fermi 1 Reactor at the Enrico Fermi Nuclear Generating Station. Little radiation leakage into the environment
January 21, 1969 Lucens reactor, Vaud, Switzerland On January 21, 1969, it suffered a loss-of-coolant accident, leading to meltdown of one fuel element and radioactive contamination of the cavern, which before was sealed.
December 7, 1975 Greifswald, East Germany Electrical error in Greifswald Nuclear Power Plant causes fire in the main trough that destroys control lines and five main coolant pumps
January 5, 1976 Jaslovské Bohunice, Czechoslovakia Malfunction during fuel replacement. Fuel rod ejected from reactor into the reactor hall by coolant
March 28, 1979 Three Mile Island, Pennsylvania, United States Loss of coolant and partial core meltdown due to operator errors and technical flaws. There is a small release of radioactive gases.
September 15, 1984 Athens, Alabama, United States Safety violations, operator error and design problems force a six-year outage at Browns Ferry Unit 2
March 9, 1985 Athens, Alabama, United States Instrumentation systems malfunction during startup, which led to suspension of operations at all three Browns Ferry
April 11, 1986 Plymouth, Massachusetts, United States Recurring equipment problems force emergency shutdown of Boston Edison’s Pilgrim Nuclear Power

April 26, 1986 Chernobyl, Chernobyl Raion (Now Ivankiv Raion), Kiev Oblast, Ukraininan SSR, Soviet Union A flawed reactor design and inadequate safety procedures led to a power surge that damaged the fuel rods of reactor no. 4 of the Chernobyl power plant. This caused an explosion and meltdown, necessitating the evacuation of 300,000 people and dispersing radioactive material across Europe (see Effects of the Chernobyl disaster).
Around 5% (5200 PBq) of the core was released into the atmosphere and downwind.
May 4, 1986 Hamm-Uentrop, West Germany Experimental THTR-300 reactor releases small amounts of fission products (0.1 GBq Co-60, Cs-137, Pa-233) to surrounding area 0 267
December 9, 1986 Surry, Virginia, United States Feedwater pipe break at Surry Nuclear Power Plant kills 4 workers 4
March 31, 1987 Delta, Pennsylvania, United States Peach Bottom units 2 and 3 shutdown due to cooling malfunctions and unexplained equipment problems 0 400
December 19, 1987 Lycoming, New York, United States Malfunctions force Niagara Mohawk Power Corporation to shut down Nine Mile Point Unit 1 0 150
March 17, 1989 Lusby, Maryland, United States Inspections at Calvert Cliff Units 1 and 2 reveal cracks at pressurized heater sleeves
October 19, 1989 Vandellòs, Spain A fire damaged the cooling system in unit 1 of the Vandellòs nuclear power plant, getting the core close to meltdown. The cooling system was restored before the meltdown but the unit had to be shut down due to the elevated cost of the repair
March 1992 Sosnovyi Bor, Leningrad Oblast, Russia An accident at the Sosnovy Bor nuclear plant leaked radioactive iodine into the air through a ruptured fuel channel.
February 20, 1996 Waterford, Connecticut, United States Leaking valve forces shutdown Millstone Nuclear Power Plant Units 1 and 2, multiple equipment failures found 0 254
September 2, 1996 Crystal River, Florida, United States Balance-of-plant equipment malfunction forces shutdown and extensive repairs at Crystal River
September 30, 1999 Ibaraki Prefecture, Japan Tokaimura nuclear accident killed two workers, and exposed one more to radiation levels above permissible limits.
February 16, 2002 Oak Harbor, Ohio, United States Severe corrosion of reactor vessel head forces 24-month outage of Davis-Besse reactor
April 10, 2003 Paks, Hungary Collapse of fuel rods at Paks Nuclear Power Plant unit 2 during its corrosion cleaning led to leakage of radioactive gases. It remained inactive for 18 months.
August 9, 2004 Fukui Prefecture, Japan Steam explosion at Mihama Nuclear Power Plant kills 4 workers and injures 7
July 25, 2006 Forsmark, Sweden An electrical fault at Forsmark Nuclear Power Plant caused multiple failures in safety systems that had the reactor to cool down
March 11, 2011 3 meltdowns Fukushima, Japan A tsunami flooded and damaged the plant’s 3 active reactors, drowning two workers. Loss of backup electrical power led to overheating, meltdowns, and evacuations.] One man died suddenly while carrying equipment during the clean-up. The plant’s reactors Nr. 4, 5 and 6 were inactive at the time.
September 12, 2011 Marcoule, France One person was killed and four injured, one seriously, in a blast at the Marcoule Nuclear Site. The explosion took place in a furnace used to melt metallic waste.
And this is the tip of the iceberg
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