Tsunami warning system

Another genius column from Robert X. Cringley:

What we need is a tsunami warning system not just for parts of Asia, but for anywhere in the world that might be subject to such conditions. And that decision about what beaches to protect ought to come not from Washington, D.C., or Jakarta, or any other capital city, but from the beach people, themselves. If you are concerned about a giant tidal wave taking out your village, it might be a good idea to build your own warning system, you retired engineer, you Radio Shack manager, you harbor master, you radio amateur, you nerd with a suntan.

It can be done.