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The Fukushima nuclear accident was a major nuclear accident at the Fukushima Daiichi Nuclear Power Plant in Ōkuma, Fukushima, Japan, which began on 11 March 2011. The proximate cause of the accident was the 2011 Tōhoku earthquake and tsunami, which resulted in electrical grid failure and damaged nearly all of the power plant's backup energy ...
However, the tsunami following the earthquake quickly flooded the low-lying rooms in which the emergency generators were housed. The flooded generators failed, cutting power to the critical pumps that must continuously circulate coolant water through a nuclear reactor for several days in order to keep it from melting down after being shut down.
In Japan, the 2011 off the Pacific coast of Tohoku Earthquake occurred at 14:46 on 11 March 2011. [7] At the Fukushima Daiichi Nuclear Power Station (Fukushima Daiichi NPS), [8] operated by the Tokyo Electric Power Company (TEPCO), the earthquake and tsunami caused the compound accident (hereinafter called Fukushima Daiichi Nuclear Accident) consisting of Station BlackOut (SBO) incident, Unit ...
[16] [17] At 15:37, the quake's tsunami inundated the plant and all electrical power to the facility was lost, leaving only emergency batteries. Some of the monitoring and control systems were still operational, though Unit 1's batteries had been damaged by the flood waters.
Japan’s Fukushima nuclear plant was heavily damaged by a major earthquake and tsunami in March 2011, sparking a series of meltdowns and the release of radioactive materials in the biggest ...
The head of the U.N. atomic agency toured Japan's tsunami-wrecked Fukushima nuclear power plant on Wednesday and said he is satisfied with still-contentious plans to release treated radioactive ...
Fukushima was the first nuclear plant to be designed, constructed, and run in conjunction with General Electric and Tokyo Electric Power Company (TEPCO). [3] The sister nuclear plant Fukushima Daini ("number two"), 12 kilometres (7.5 mi) to the south, is also run by TEPCO. It also suffered serious damage during the tsunami, at the seawater ...
An attempt to use an extendable robot to remove a fragment of melted fuel from a wrecked reactor at Japan’s tsunami-hit Fukushima Daiichi nuclear power plant was suspended Thursday due to a ...