"Just throw two stones in a pond and observe the complex wave pattern they form ... of tsunamis is not experienced evenly: the poor and those facing societal barriers often suffer the most." ...

But often the lowest-lying areas of the coast – and the most vulnerable to tsunamis – are often hubs of urban development.

However, powerful undersea earthquakes are responsible for most tsunamis ... to the undersea quake, often because the fast-moving waves will hit land so quickly. Tsunamis radiate out from the ...

Tsunami waves can cross entire ocean basins at speeds of 400 to 500 mph in deep water. Vessels at sea often do not notice these waves as they pass beneath them. However, as tsunamis approach ...