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1975. Greifswald, East Germany. A near core meltdown at Greifswald Nuclear Power Plant: Three out of six cooling water pumps were switched off for a failed test. A fourth pump broke down by loss of electric power and control of the reactor was lost. 10 fuel elements were slightly damaged before recovery.
Nuclear meltdown. A simulated animation of a core melt in a light-water reactor after a loss-of-coolant accident. After reaching an extremely high temperature, the nuclear fuel and accompanying cladding liquefies and flows to the bottom of the reactor pressure vessel. Three of the reactors at Fukushima I overheated because the cooling systems ...
Fukushima nuclear accident. Coordinates: 37°25′17″N 141°1′57″E. Fukushima nuclear accident. Part of the 2011 TÅhoku earthquake and tsunami. The four damaged reactor buildings (from left: Units 4, 3, 2, and 1) on 16 March 2011. Hydrogen-air explosions in Units 1, 3, and 4 caused structural damage. [1] Date.
The tsunami, which topped 15 meters (50 feet) in some areas, slammed into the nuclear plant, destroying its power supply and fuel cooling systems, and causing meltdowns at reactors No. 1, 2 and 3.
An official in charge of the wrecked Fukushima nuclear power plant says the upcoming release of treated radioactive water into the sea more than 12 years after the reactors' meltdown marks “a ...
Nuclear reactor accidents continued into the 1960s with a small test reactor exploding at the Stationary Low-Power Reactor Number One in Idaho Falls in January 1961 resulting in three deaths which were the first fatalities in the history of U.S. nuclear reactor operations. [6] There was also a partial meltdown at the Enrico Fermi Nuclear ...
Similar explosions occur at the two other damaged reactors over the following days. ... removal of spent nuclear fuel rods from the No. 4 reactor cooling pool, an initial milestone in the plant ...
Soviet submarine K-19 reactor accident 1961, July 4 More than 30 people were over-exposed to radiation when the starboard reactor cooling system failed and the reactor temp rose uncontrollably. Emergency repairs ordered by the captain successfully cooled the reactor and avoided meltdown, but exposed the workers to high levels of radiation. [17] 8