Chernobyl was a lot more serious? Fukishima hasn't killed anyone [1] where as Chernobyl killed at least 40 people directly [2].
[1] http://en.wikipedia.org/wiki/Fukushima_Daiichi_nuclear_disas...
[2] http://en.wikipedia.org/wiki/Deaths_due_to_the_Chernobyl_dis...