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Normal radiation dose rates at the Fukushima I site as established by the stream of monitoring post readings in the 3 months preceding the accident. (03/01=1 March 2011, 1 Gray= 1 Sv for gamma radiation) [98] Radiation fluctuated widely on the site after the tsunami and often correlated to fires and explosions on site.
On 15 June 2012 TEPCO reported that a robot that was sent into the No. 2 reactor building on 13 June 2012 to take video images and radiation measurements, detected a reading of 880mSv (millisieverts) per hour of radiation on the fifth floor, which one floor (4.5 meters) directly above the reactor containment vessel.
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 ...
Watch a view of Japan's Fukushima nuclear power plant on Friday, 25 August, as it begins to discharge treated radioactive water into the Pacific Ocean. A massive earthquake and tsunami caused ...
Images taken by miniature drones from deep inside a badly damaged reactor at the Fukushima nuclear plant show displaced control equipment and misshapen materials but leave many questions ...
The shelters have required the evacuees to present certificates obtained by the government of Fukushima prefecture stating that the evacuees are "radiation free". [ 49 ] [ 50 ] As of September 2011, more than 100,000 Fukushima Prefecture residents are still subject to a range of evacuation measures, forcing them to live outside their home ...
The Fukushima prefectural government reported radiation dose rates at the plant reaching 1.015 m Sv/h. [59] The IAEA stated on 13 March that four workers had been injured by the explosion at the Unit 1 reactor, and that three injuries were reported in other incidents at the site. They also reported one worker was exposed to higher-than-normal ...
TEPCO claimed no significant change in radiation levels, and the smoke subsided later the same day. [40] On 23 March, black smoke billowed from Unit 3, prompting another evacuation of workers from the plant, though Tokyo Electric Power Co. officials said there had been no corresponding spike in radiation at the plant.