On the Great East Japan Earthquake and the Fukushima Daiichi Nuclear Power Plant Accident

<Recent work of the Nuclear Power Plant>
Remodeling construction of the building cover for removing debris at the upper part of the nuclear reactor building
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Fukushima Prefecture was hit by a huge earthquake of Magnitude 9.0 with epicenter of 130 km off Sanriku on 11 March, 2011. This earthquake, which became the largest in the history of observation in Japan, caused damage to the coastal area by large tsunamis, and the number of deaths and missing people in Fukushima Prefecture recorded more than 1,800.

On the following 12 March, a hydrogen explosion accident occurred at Tokyo Electric Power Company (TEPCO) Fukushima Daiichi Nuclear Power Plant, causing radioactive contamination by spreading radioactive materials to various places. Radioactive substances such as radioactive iodine and radioactive cesium mainly scattered not only inside of Fukushima but also outside. In addition, they were spread with the wind and spread to distant areas. Also, contaminated water containing a large amount of radioactive substances leaked into the ocean, so many marine organisms were contaminated.

Evacuation and Return by Decontaminating

More than 160,000 people were forced to evacuate to inside or outside areas of the prefecture, and more than 50,000 people are still evacuated from the original place. However, after seven years have passed since the accident, the number of areas that can be returned are increasing, and only there are seven evacuated areas in the end of 2017. Most damaged areas except the evacuated areas are little by little regaining their appearance as it used to be before.

Air radiation dose rate map for the entire Fukushima Prefecture, based on Fukushima Prefecture's environmental radiation monitoring mesh survey results.

Trend of Radiodensity of Marine Organisms

In addition, generations of marine organisms that received large radiation contamination by the accident also changed over time, and contamination of marine organisms born after the accident have become extremely decreased. Only small amount of fish are contaminated with radioactive cesium, and all of them are older than nine years or over, and its radioactivity is also very low compared to a standard value of the food. Currently, the fishery off Fukushima Prefecture is resumed experimentally at the fishing ground considering the distance from the nuclear power plant, water depth, and fish species. Caught fish are monitored for radiodensity and then distributed.

Onahama fish market

Landing of the fishing trials off Fukushima
Landing of the fishing trials off Fukushima

Monitoring of landing fish
Monitoring of landing fish

Our Monitoring Activities

Aquamarine Fukushima continues to address radiation issues after the Fukushima Daiichi Nuclear Power Plant accident. In order to understand invisible radiation and not to be too afraid of it, we are conducting researches and collaborating with research institutes and universities, and we also provide information. We hope people know that the "Sea of Fukushima" where children can safely play has come back already.

Our Monitoring Activities
Survey of Coastal Radiation of Woods Hole Oceanographic Institute, Kanazawa University and Aquamarine Fukushima

Fukushima NOW

Some people in the world seem to still keep images of Fukushima just after the earthquake disaster and the Nuclear Power Plant accident. However, people in Fukushima are trying to restore their lives and make them better.
You can get recent and accurate information of Fukushima at the following site. Not only English but Chinese and Korean are also available.



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