the Fukushima I Nuclear Power Plant → the Fukushima I Nuclear Power Plant at Fukushima I Nuclear Power Plant(1) a nuclear power station that was on Honshu island in Japan. In March 2011 a huge earthquake and tsunami seriously damaged the cooling system of the reactor. As a result of the accident, radiation got into the air. Local people were forced to leave the area and many people were worried about the safety of food and water.