00:00What if I told you one volcano in the U.S. could wipe out humanity?
00:04That's not science fiction. That's Yellowstone.
00:07Beneath its stunning geysers and colorful thermal pools
00:10lies a sleeping giant, the Yellowstone Supervolcano.
00:14It spans three states and has the power to change the world forever.
00:18Experts have long feared it could erupt with enough force
00:20to trigger a global extinction event.
00:23Ash, gas, and lava spreading across continents,
00:26blocking sunlight, collapsing ecosystems.
00:28But, will it actually erupt?
00:31Here's the good news.
00:33According to the lead scientist at Yellowstone Volcano Observatory,
00:36a massive eruption is extremely unlikely.
00:39In fact, the most we might ever see?
00:42A small lava flow, and even that is pretty rare.
00:45So when was the last eruption?
00:47Roughly 70,000 years ago, with lava flows stretching over 140 miles.
00:52Major eruptions?
00:53Those occurred every 7,25,000 years on average.
00:56That doesn't mean we're due for one.
00:59But it does mean the danger isn't totally gone.
01:02For now, though, you can breathe easy.
01:04Yellowstone may be powerful, but it's staying quiet.
01:07For now.
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