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On 25 March 2011, officials announced the reactor vessel might be breached and leaking radioactive material. High radiation levels from contaminated water prevented work. [53] Japan Nuclear and Industrial Safety Agency (NISA) reiterated concerns about a Unit 3 breach on 30 March. [54]
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 ...
On 23 March 2011, ten days after the hydrogen explosions, the recommendations of the Nuclear Safety Commission of Japan to protect the people living near the exploded Fukushima reactors were put aside by the Japanese government. The proposed measures were based on the results provided by a computer program named SPEEDI (System for Prediction of ...
Japan’s Fukushima nuclear plant was heavily damaged by a major earthquake and tsunami in March 2011, ... roughly 8.5 per cent of the country’s energy needs and renewables about 23 per cent ...
On 23 March, it became possible to inject water into the reactor using the feed water system rather than the fire trucks, raising the flow rate from 2 to 18 m 3 /h (later reduced to 11m 3 /h. [ 68 ] [ 69 ] By 24 March the spent fuel pool was "thought to be fully or partially exposed". [ 70 ]
The operator of the wrecked Fukushima nuclear plant began tests on Monday of newly constructed facilities for discharging treated radioactive wastewater into the sea, a plan strongly opposed by ...
The Fukushima Daiichi Nuclear Power Plant (福島第一原子力発電所, Fukushima Daiichi Genshiryoku Hatsudensho, Fukushima number 1 nuclear power plant) is a disabled nuclear power plant located on a 350-hectare (860-acre) site [1] in the towns of Ōkuma and Futaba in Fukushima Prefecture, Japan. The plant suffered major damage from the ...
On 23 March – after the Americans – Japan released its own fallout maps, compiled by Japanese authorities from measurements and predictions from the computer simulations of SPEEDI. On 19 June 2012 Minister of Science Hirofumi Hirano said that Japan would review the decision of the Science Ministry and the Nuclear-Safety Agency in 2011 to ...