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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 ...
Most nuclear power plants feature a containment building whose role is to be the ultimate barrier, as per the defense-in-depth principle, against the release of radionuclides in the environment during accidents involving partial or total reactor core damage, that is, in which the integrity of the nuclear fuel (first barrier) is lost.
Yoshida (right, in white vest) meets with Prime Minister Kan (center left) on 12 March 2011, the morning after a tsunami struck the Fukushima plant. Shortly before midnight on 11 March, the day of the tsunami, Yoshida decided to vent the plant's Daiichi Unit 1 as a core meltdown was causing the reactor to exceed its maximum internal pressure.
Nearly 20,000 people died, whole towns were wiped out and the Fukushima Daiichi nuclear power plant was destroyed, creating deep fears of radiation that linger today. A magnitude 9.0 earthquake ...
Highly radioactive water leaked from a treatment machine at the tsunami-hit Fukushima Daiichi nuclear power plant, but no one was injured and radiation monitoring shows no impact to the outside ...
The IAEA later revealed that no venting had taken place at the plant. [9] The following day at 09:00 JST, the RCIC was reported to be operating again. [ 10 ] A New York Times report suggested that plant officials initially concentrated efforts on a damaged fuel storage pool at Unit 2, diverting attention from problems arising at the other ...
A wall of water over 15 meters (50 feet) tall slammed into the coastal Fukushima Daiichi nuclear power plant, destroying its power supply and cooling systems, triggering meltdowns in three of its ...
Fukushima report: Key points in nuclear disaster report - An outline of key quotes, findings and recommendations from the 88-page executive summary of the Nuclear Accident Independent Investigation Commission's report, as provided by the BBC, 5 July 2012; Webcam Fukushima nuclear power plant I, Unit 1 through Unit 4