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- The disaster left 18,000 people dead, wiped entire towns off the map and forced more than 150,000 people from their homes as radiation leaked from the plant. The government estimates the disaster could cost nearly $200bn, and the clean-up may take until 2051.
www.bbc.com/news/world-asia-56340249Fukushima 10 years on: How the 'triple disaster' unfolded - BBC
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3 days ago · Fukushima accident, disaster that occurred in 2011 at the Fukushima Daiichi (‘Number One’) nuclear power plant on the Pacific coast of northern Japan, which was caused by a severe earthquake and powerful series of tsunami waves and was the second worst nuclear power accident in history.
- The Editors of Encyclopaedia Britannica
- The Fukushima accident was an accident in 2011 at the Fukushima Daiichi (“Number One”) nuclear power plant in Japan. It is the second worst nuclear...
- An earthquake and tsunami led to power loss in the Fukushima Daiichi plant. Without power, the cooling systems failed in three reactors, and their...
- Immediately after the Fukushima accident in 2011, radiation levels increased in food, water, and the ocean near the Fukushima Daiichi plant. Becaus...
- Nobody died as a direct result of the Fukushima nuclear disaster. However, in 2018 one worker in charge of measuring radiation at the plant died of...
Aug 23, 2023 · At the Fukushima nuclear power plant, the gigantic wave surged over coastal defences and flooded the reactors, sparking a major disaster.
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 sources.
Mar 10, 2021 · The disaster left 18,000 people dead, wiped entire towns off the map and forced more than 150,000 people from their homes as radiation leaked from the plant. The government estimates the...
- March 11, 2011: An Earthquake Precipitates Crisis
- March 12: Evacuation Area Expands, The Roof Blows
- March 13
- March 14: Explosions Continue
- March 15
- March 17
- March 19
- March 20: Things Start to Stabilize
- March 22
- March 25
2:46 pm: The westward-moving Pacific Plate, an oceanic tectonic plate, lurches downwards beneath the Okhotsk platealong the Japan Trench, causing an earthquake 43 miles off the northeastern coast of Honshu, Japan’s most populous island. The earthquake has a magnitude of 9.1, making it the largest earthquake in Japan’s history—and one of the five mo...
Shortly before 6 a.m.: Prime Minister Kan decides to go to Fukushima. He orders authorities to widen the evacuation zone to 6.2 miles (10 kilometers). With the loss of coolant, temperature and pressure builds inside the reactors. 10:09 a.m.:The Tokyo Electric Power Company (TEPCO) announces they have vented some steam from Unit 1 in an attempt to l...
6:23 a.m.:A NISA official announces that the emergency cooling system in the Unit 3 reactor has failed. 10:05 p.m.:TEPCO begins injecting seawater into Unit 3. 10:09 p.m.:TEPCO announces a plan to inject seawater into Unit 2, the first acknowledgment of an emergency at that reactor.
11:01 a.m.:There’s a hydrogen explosion at the Unit 3 reactor. 11 workers are injured, and the building’s structure is severely damaged.
6:14 a.m.:A hydrogen explosion occurs at the Unit 2 reactor. Throughout the day: Seawater pumping continues at Units 1, 2 and 3. Near the plant, radiation levels are measured at 400 millisieverts per hour. By comparison, the average person is exposed to about 2.4 millisieverts of radiation per year, meaning that radiation at Fukushima is 1.46 milli...
The military begins using helicopters to dump seawater onto Unit 3, where radiation levels are at 17 millisieverts per hour.
Replacement diesel generators are successfully implemented at Units 5 and 6, pumping water back into those reactor cores. Elsewhere, the extent of damage becomes clearer: Milk and water in the greater Fukushima Prefecture show excessively high levels of radioactive iodine.
Temperatures stabilize at Units 5 and 6, bringing about the safe harbor of “cold shutdown” conditions. Electrical power is restored to Unit 2.
Eleven days after the initial disaster, electrical power is restored to the control rooms of Units 1 and 2. In the wastewater just south of the plant, radioactive iodine is measured at 126.7 times higher than the legal limit.
The Unit 1 Reactor temperature is brought down to 204.5 degrees Celsius, safely inside its design limits. The Japanese government advises those residents who are between 20 and 30 kilometers away from the plant to voluntarily evacuate the area.
Mar 10, 2021 · On March 11, 2011, Koide Hiroaki was in his laboratory in Kyoto, Japan. It was a gray, wet afternoon, and the 61-year-old nuclear engineer was hard at work when the earthquake hit....
Although all three of the plant’s six reactors that were operating were successfully shut down, the power loss caused cooling systems to fail in each of them within the first few days of the disaster.
