This website uses cookies to ensure you get the best experience on our website. Learn more
Fukushima Daiichi nuclear disaster
3:28
Video analysis prompts new theory on Fukushima explosion
1:48
Fukushima nuclear disaster
3:44
Fukushima's nuclear emergency - by Nature Video
2:43
Fukushima nuclear disaster: Japan may release 1M tonnes of contaminated water into sea
1:03
The Fukushima Nuclear Disaster, 5 Years Later
The Fukushima nuclear disaster was a 2011 nuclear accident at the Fukushima Daiichi Nuclear Power Plant in Ōkuma, Fukushima, Japan. The proximate cause of the disaster was the 2011 Tōhoku earthquake and tsunami that occurred 11 March 2011.
Plant description
Cooling
Backup generators
Zircaloy
Background
Initial effects of earthquake
Arrival of tsunami
Disabling of emergency generators
Hydrogen explosions
Core meltdowns in units 1, 2, and 3
Damage to unit 4
Units 5 and 6
Analysis of the response
Poor communication and delays
1967: Layout of the emergency-cooling system
1991: Backup generator of Reactor 1 flooded
2000 and 2008: Tsunami studies ignored
Vulnerability to earthquakes
Releases of radioactive contamination
Contamination in the eastern Pacific
Event rating
Aftermath
Contaminated water
Risks from ionizing radiation
Thyroid screening program
Effects on evacuees
Radioactivity releases
Insurance
Compensation
Energy policy implications
Equipment, facility, and operational changes
Japan
International
Investigations
Investigation Committee
Video, drawings, and images
Other