Tsunamis in the United States?
Do you remember the massive earthquake and tsunami that devastated coastal communities in Southeast Asia on December 26, 2004?

2004 Tsunami Tsunami Damage Pacific Northwest

Indian Ocean Tsunami

A tsunami arrives as a series of waves. The first wave may not be the most dangerous.

The waves in a tsunami "wave train" may arrive five minutes to an hour apart. The ocean may retreat before the first wave and between each wave.

This movie shows the second wave arriving on the coast.