Who is responsible for Tsunamis?

The tsunami of 2004 seems like an “Act of God” over which humans have no control or influence. Except that we do: just not on the causes, but on the effects. Where and how we build and live can affect what happens. And just as many large animals are reported to have left the scene shortly before disaster struck, perhaps, in our own way, we can be more sensitive to hazards. And we could probably get very good at being alert to those which defiinitely are of our own making…