Washington’s Blog 
Oct 22, 2012
As such, it is disturbing news that the ground beneath unit 4 is sinking.
Specifically, Unit 4 sunk 36 inches right after the earthquake, and has sunk another 30 inches  since then.
Moreover, Unit 4 is sinking unevenly , and the building may begin tilting.
Given the precarious situation at Unit 4, it is urgent that the world community pool its scientific resources to come up with a fix.