Reactor 4 is falling apart
• fukishima-diary.comReactor 4 is in the most serious situation. It is assumed that if another aftershock hits it to drop the spent fuel pool hung in the building, the entire area in eastern Japan would be too contaminated to be inhabitable.
http://www.nytimes.com/2011/12/15/world/asia/japan-set-to-declare-control-over-damaged-nuclear-reactors.html