Dare to confront one of the sea's most deadly monsters—the tsunami. Its freak waves can race undetected across an ocean at 600 miles per hour, crashing ashore like a bomb and pushing massive walls of water that swallow cities whole. In the past century, tsunamis (literally "harbor waves") have taken the lives of 50,000 people—with almost no warning. And scientists tell us another destructive tsunami—perhaps Pacific-wide—could strike at any time.

Now, National Geographic lets you encounter these killers up close, through heart-stopping footage and survivors' stories. You'll witness unimaginable devastation in Hawaii, California, and Japan, travel the Pacific Rim to track underwater earthquakes that spawn tsunamis, and watch as residents of this seismically volatile region brace for the next Killer Wave. Approximately 55 minutes. © 1997

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