Fukushima was caused by the decision to build on top of a known earthquake zone ..
To say that the plants construction in an earthquake prone environment, solely, would inevitably lead to the incident is false. Just like with most incidents (e.g aircraft) it is a compound of faults but most importantly obtuse human error and/or mishandling.
http://www.theguardian.com/artanddesign/gallery/2015/oct/11/...