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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 ...
Fukushima nuclear accident casualties. Satellite image on 16 March 2011 of the four damaged reactor buildings. Date. 11 March 2011. ( 2011-03-11) Location. Ōkuma, Fukushima, Japan. Coordinates. 37°25′17″N 141°1′57″E.
[47] [48] [49] American nuclear engineer Arnold Gundersen, noting the much greater power and vertical debris ejection compared to the Unit 1 hydrogen blast, has theorized that the Unit 3 explosion involved a prompt criticality in the spent fuel pool material, triggered by the mechanical disruption of an initial, smaller hydrogen gas explosion ...
The radiation effects from the Fukushima Daiichi nuclear disaster are the observed and predicted effects as a result of the release of radioactive isotopes from the Fukushima Daiichii Nuclear Power Plant following the 2011 Tōhoku 9.0 magnitude earthquake and tsunami (Great East Japan Earthquake and the resultant tsunami).
As the incident unfolded in March, 2011, the stricken power plant released massive amounts of cesium-137 into the surrounding environment (roughly 80 percent of the material running into the ...
Coordinates: 36°28′47″N 140°33′13″E. Tokai Nuclear Plant, Japan's first nuclear power station. The Tokaimura nuclear accidents refer to two nuclear related incidents near the village of Tōkai, Ibaraki Prefecture, Japan. The first accident occurred on 11 March 1997, producing an explosion after an experimental batch of solidified ...
More than 70,000 fatalities were estimated. 9 August 1945. Nuclear bombing. Nagasaki. Bomb flown in on airplane and dropped over urban area; 21kt explosion. Main article: Atomic bombings of Hiroshima and Nagasaki. United States of America aviators detonated nuclear bomb over Nagasaki.
Serious nuclear power plant accidents include the Fukushima nuclear disaster (2011), the Chernobyl disaster (1986), the Three Mile Island accident (1979), and the SL-1 accident (1961). [ 11] Nuclear power accidents can involve loss of life and large monetary costs for remediation work.