05:32
Look Out Below: Growth of a Tsunami
A tsunami wave usually begins as barely a ripple above the surface out in the open ocean, often thousands of miles from its ultimate destination. By the time it reaches shore, a tsunami may have grown to nearly a hundred feet in height, and can be a...
02:06
Look Out Below: Tsunami and Tectonic Events
Tsunami are usually the product of a tectonic event, such as an earthquake. They most commonly take place in the Pacific Rim region, because of the relatively higher frequency of large, shallow earthquakes in this area.