Well, it’s not exactly like Haiti is a built up area...
A tsunami down there would be more like flushing a toilet from what I’ve seen of Haiti, kind of like a really run-down New Orleans or Detroit if you can imagine such squalor.
Port-au-Prince is similar to that of an amphitheatre; commercial districts are near the water, while residential neighborhoods are located on the hills above. Its population is difficult to ascertain due to the rapid growth of slums in the hillsides above the city; however, recent estimates place the city's population at between 2.5 and 3 million people.
wikipedia
The quake was 10 miles from Port-au-Prince.
The nation may be squalid, but the people of Haiti are just as valuable as the people of the USA. God is no respecter of persons.