00:00What if a wave taller than the Empire State Building hit the U.S. coast in minutes?
00:04Scientists say it could really happen, and soon, a terrifying mega-tsunami
00:09could drown entire cities along the U.S. west coast,
00:12and scientists are warning the clock is ticking.
00:15It all starts with the Cascadia Subduction Zone,
00:17a 600-mile fault line from Canada to California.
00:21If it ruptures with an earthquake of magnitude 8 or higher,
00:24it could trigger a tsunami up to 1,000 feet tall.
00:27That's taller than almost any skyscraper.
00:30And it wouldn't take hours to hit, just minutes.
00:33Washington, Oregon, and Northern California would be swallowed almost instantly.
00:38Cities like Seattle and Portland? Gone.
00:40Land could sink six feet.
00:42Buildings, roads, submerged.
00:45And here's the twist.
00:46Experts say the sooner it happens, the better.
00:49Because rising sea levels could make the wave even more deadly.
00:52The FEMA death toll estimate?
00:55Over 13,000 lives, in minutes.
00:57And shockingly, current maps don't even reflect how bad it could be.
01:01The last time this happened was in 1700.
01:04Now, scientists say it's not if, but when.
01:07This isn't science fiction.
01:08It's future fact.
01:10Are we ready?
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01:25It's future fact.
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