In 2011, Japan was ravaged by a magnitude 9 earthquake, followed by a massive tsunami. In Fukushima prefecture, TEPCO’s Daiichi Nuclear Reactor exploded and exposed the surrounding area to radiation. Now, this radioactive material is seeping into the Pacific ocean, and it has made the surrounding areas into a post-apocalyptic nightmare. Few people outside of Japan know what really happened at Fukushima, or how the consequences of this one disaster could potentially affect the whole world. On today’s Geographics, we bring you the story of Fukushima.