Question: what event took place in fukushima japan after a tsunami
Answer: The Fukushima Daiichi nuclear disaster ( 福島 第 一 原子力 発電 所 事故 , Fukushima Dai - ichi ( pronunciation ) genshiryoku hatsudensho jiko ) was an energy accident at the Fukushima Daiichi Nuclear Power Plant in Ōkuma , Fukushima Prefecture , initiated primarily by the tsunami following the Tōhoku earthquake on 11 March 2011 .