On blue-and-white signs, a cartoon wave curls out of the sea, capital letters blaring: TSUNAMI HAZARD ZONE. Harbingers of a future disaster are always in the periphery, staked next to highways ...

Unlike the waves we enjoy at the beach, tsunami waves don’t break because they don’t get steep enough. Energy distributed throughout the water column and wavelengths extending a hundred miles ...

The dinosaur-killing asteroid that slammed into Earth 66 million years ago also triggered a jumbo-size tsunami with mile-high waves in the Gulf of Mexico whose waters traveled halfway around the ...