Tokyo Electric Power Co. (TEPCO) announces new plans to tackle the ongoing Fukushima I nuclear crisis, after it is discovered that the problems with the number 1 reactor at the Fukushima I plant are worse than thought.
A magnitude 7.2 earthquake strikes off the coast of Miyagi Prefecture, Japan, causing tsunami waves of up to 1 m. As a precaution, Tohoku Electric Power shuts down the Onagawa Nuclear Power Plant and Tokyo Electric Power Company checks the condition of the Fukushima Daiichi Nuclear Power Plant, which was struck by the massive earthquake and tsunami of March 11, 2011.
Toshiba Corporation unveil a robot that they believe will help in nuclear disasters and could enter the crippled Fukushima Daiichi Nuclear Power Plant damaged during the Fukushima Daiichi nuclear disaster.
Two of the reactors damaged in the March earthquake and tsunami at the Fukushima Daiichi nuclear power plant in Japan may be riddled with holes, according to the facility's owner, Tokyo Electric Power Co.
The Tokyo Electric Power Company (TEPCO) claims that three reactors at the Fukushima Daiichi Nuclear Power Plant suffered partial meltdowns following the 2011 Tōhoku earthquake and tsunami; it had previously announced that only one reactor had suffered a meltdown.