Much is being done to help survivors, and refugees from the effects of the tsunami and radiation, but the American press doesn't cover much of it.
Look at the online English versions of the major Japanese media, or Japanese TV if your cable company carries it.

Japan, along with South Korea, are the most "wired" nations, with countless small news media, private as well as government television, and most Japanese use cell phones and internet heavily.

The problems of assistance and reconstruction are many, the costs are estimated at $300-600 billion, and a long time before anything approaching normality returns.

Looking at Katrina, I doubt that the response in the U. S. would be as good.