The fukushima earthquake in Japan affected the cooling systems of spent fuel pools at several nuclear power plants

2022-06-21 0 By

Beijing, March 17 (Xinhua) –The cooling system of some spent fuel pools at fukushima Dai-ichi and Dai-ichi nuclear power plants stopped working for a time after a strong earthquake hit waters off Fukushima Prefecture on The night of 16.A strong earthquake hit waters off Fukushima Prefecture at 23:36 local time (22:36 Beijing time).The Japan Meteorological Agency raised the magnitude of the quake from 7.3 to 7.4 on The 17th, and the focal depth was revised from 60 km to 57 km.The quake caused a power outage at a shopping mall in Tokyo’s Shinbashi neighborhood on March 16.Xinhua/Kyodo news agency according to the Japanese earthquake magnitude division standard, the earthquake reached the maximum magnitude of 6, second only to the highest level of 7.Tsunami waves of 20 to 30 centimeters were seen off the coast of Fukushima prefecture and neighboring Miyagi Prefecture.The tsunami warning was lifted early Monday morning.According to NHK, three people were confirmed dead and at least 194 injured in the quake as of 12:00 local time Sunday.Photo taken on March 16, 2019 shows the damaged wall of a house in Fukushima City.After the quake, cooling systems for spent fuel pools at units 2 and 5 and no. 1 and No. 3 of the Fukushima Daiichi nuclear Power Plant stopped working, Kyodo news agency reported, citing Tokyo Electric Power Co.The cooling system of the spent fuel pool of the No. 2 unit of the Fukushima Daiichi Nuclear Power Plant has not been restored as of 4 am Monday, while the cooling system of the spent fuel pool of the other three affected units has been restored.Separately, a tank storing contaminated water at the Fukushima Daiichi nuclear power plant was moved by the quake.Tepco said that while the cooling system for the spent fuel pool at unit 2 had not returned to work, the water temperature had not exceeded the upper limit.The cooling system for the spent fuel pool at Tohoku Electric Power Co. ‘s Onagawa Nuclear Power Plant in Miyagi Prefecture also stopped working, mainichi Shimbun reported.Goods from a convenience store fall to the ground after an earthquake in Fukushima City, Fukushima Prefecture, Japan, March 16, 2008.Xinhua/Kyodo News Prime Minister Fumio Kishida said at a meeting of the Diet’s Upper house budget Committee on the morning of 17 that “at present” no abnormality was found at the nuclear power plant.The quake came just days after the 11th anniversary of the March 11, 2011, earthquake and tsunami that devastated Japan.The fukushima Daiichi plant was severely damaged in that disaster and had to be decommissioned in the worst radiation release since Chernobyl in the Soviet Union.There are more than 1 million tons of contaminated water at the Fukushima Daiichi plant, all stored in large tanks.The Japanese government decided in April last year to dispose of contaminated water into the sea.The decision has been widely questioned and opposed by the international community, especially stakeholders, as well as by fishing groups and opposition parties in Japan.Photo taken on Feb. 13, 2021 shows a storage tank for contaminated water at the Fukushima Daiichi nuclear power plant in Japan.Xinhua/Kyodo News On February 13 last year, 53 water storage tanks at the Fukushima Daiichi nuclear Power Plant were displaced after a 7.3 magnitude earthquake hit waters off Fukushima Prefecture.Tepco and Japanese government regulators say there was no impact on the plant or the outside world, but a fish caught off the coast of Fukushima Prefecture on Feb. 22 tested positive for excessive levels of radioactive material.It was the first time in about two years that fish caught off the coast of Fukushima were found to have excessive levels of radioactive material, Japanese media reported.Japan meteorological Agency staff 17 early morning at a press conference, the next week is still likely to occur 6 strong earthquake.(Hui Xiaoshuang) Source: Xinhua News Agency