In just over 24 hours 10 years ago the world learnt of one of the largest natural disasters in modern history.
Dr. Herman Fritz, a renowned tsunami expert who I have had the honour of meeting recently wrote the following news release
http://www.ce.gatech.edu/media/news/6527
GIS is of course a huge part of the data used to help model.
Lets keep doing what we do.
To our GIS friends from Indonesia to Somalia, keep collecting data, modeling the data and most important, sharing the data so people like Dr. Fritz can develop the models further which in turn can help save more lives so that we never have wake up to that sort of news again.