The search and rescue phase of this response is still underway with 15 international teams augmenting the Japanese resources. The American College of Surgeons sent out this handy reference page for news updates and aid organizations, which I am reproducing here.
Please refer to the following sites for situational updates:
American College of Surgeons Relief Effort
Information on Tsunamis:
Observations and Lessons Learned in the Recovery Phase of the 2004 Asian Tsunami Bridgewater et al, Prehospital and Disaster Medicine, Special Report – Vol 21, No 1, Jan-Feb 2006
Information on Radiation Exposure and Treatment:
NIH’s Medline Plus page on Radiation Exposure (extensive resources found here)
For information on donating to organizations responding to this disaster: