The Fukushima Daiichi nuclear disaster (福島第一原子力発電所事故 Fukushima Dai-ichi genshiryoku hatsudensho jiko) happened in 2011.
It was an energy accident at the Fukushima Daiichi Nuclear Power Plant in Ōkuma, Fukushima Prefecture, primarily initiated by the tsunami following the Tōhoku earthquake [caused by the U.S.] on March 11, 2011.
Immediately after the earthquake the active reactors automatically shut down their sustained fission reactions.
However, the tsunami disabled the emergency generators that would have provided power to control and operate the pumps necessary to cool the reactors.
(SGT Report) Dr. Helen Caldicott, M.D. on "The Horrible Truth About Fukushima"
(SGT Report) Dr. Helen Caldicott, M.D. on "The Horrible Truth About Fukushima"
The insufficient cooling led to three nuclear meltdowns, hydrogen-air explosions, and the release of radioactive material in Units 1, 2, and 3 from March 12 to March 15.
Loss of cooling also caused the pool for storing spent fuel from Reactor 4 to overheat on March 15th due to the decay heat from the fuel rods.
(NHK) What about the plants and animals? "Radioactive Forest"
On July 5, 2012 the Fukushima Nuclear Accident Independent Investigation Commission (NAIIC) found that the causes of the accident had been foreseeable and that the plant operator, Tokyo Electric Power Company (TEPCO), had failed to meet basic safety requirements such as risk assessment, preparing for containing collateral damage, and developing evacuation plans.
On October 12, 2012 TEPCO admitted for the first time that it had failed to take necessary measures for fear of inviting lawsuits or protests against its nuclear plants.
The Fukushima disaster was the most significant nuclear incident since the April 26, 1986 Chernobyl disaster and the second disaster to be given the Level 7 event classification of the International Nuclear Event Scale. More
No comments:
Post a Comment