No, Fukushima has to be real. AJ had one of the last cases of potassium iodide tablets and was even nice enough to sell those last few bottles to his listeners for only a 5X markup. Why would he do that if it was fake?
(That's actually why I stopped listening to him even for entertainment value.)
Back on topic, I know it's the NYT but it's still good info: https://www.nytimes.com/2009/09/11/science/earth/11quake.html