How the Pacific Northwest is preparing for a major tsunami

Aired: 3/22/2016 | 0:09:26 | Clip
It’s when, not if, the Pacific Northwest is due for a major seismic disaster; scientists say there’s a 37 percent chance one could strike in the next 50 years. FEMA estimates such an earthquake and resulting tsunami could kill thousands and leave a million more homeless. But some concerned coastal communities are working to make sure they’re ready when it hits. William Brangham reports.

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