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by Tiziana Di Giovannandrea December 26, 2018For the nuclear disaster following the earthquake and tidal wave of March 11, 2011 in the Fukushima power plant in Japan, five years of prison were asked for three former managers of the atomic plant.The Japanese magistrates have accused the former director of Tokyo Electric Power (Tepco), Tsunehisa Katsumata, and two former vice presidents, Sakae Muto and Ichiro Takekuro, of negligence resulting in death. The defendants pleaded not guilty.
They are the only ones to have been indicted due to reactor problems and radioactive leakage. According to the prosecutors, the three managers knew the data that indicated the danger and the risk of accidents related to possible earthquakes and tsunamis with waves over 15 meters high. "They should have stopped the operations", according to the judges and they did not.
On 11 March 2011, due to the earthquake of magnitude 9.0 and the subsequent tsunami that struck the region of Tōhoku, in northern Japan, the Fukushima nuclear power plant suffered serious damage, which caused the decommissioning of the various cooling systems of the installation and several explosions with the interest of reactors number 1, 2 and 3 which led to the dispersion of large quantities of radioactive material in the environment.
There was the fusion of the level 7 core, the maximum in the measurement scale.
The accident was classified to the maximum degree of gravity on the INES scale (the international scale that measures nuclear and radiological events) and involved the evacuation of a radius of over 30 km. This is the most serious nuclear catastrophe after that of Chernobyl. The victims were 20 thousand, including dead and missing, while 120 thousand people had to leave the area where they lived. To date, in the region affected by the atomic disaster there would still be problems related to radiativity