Earthquake after-effects in Japan: Nuclear plant problems?

http://abcnews.go.com/International/japanese-earthquake-stokes-nuclear-fears-damaged-power-plants/story?id=13114181

Nuclear Scientists Warn of 'Very Serious' Radioactive Event if Japanese Reactor Not Cooled

Another reminder of why people prepare.  Hopefully they'll figure this out before it becomes another Chernobyl...  I just heard on the news that they are releasing radioactive material to relieve some of the pressure.  This could get serious folks.