A massive fault line is discovered 80 miles off the Pacific Northwest coast, with pent-up pressure building for over three centuries. If it were to rupture, it would unleash a catastrophic megaquake and tsunami, putting 15 million people at risk of devastation.
Aired: May 6, 2020 A massive fault line is discovered 80 miles off the Pacific Northwest coast, ...
Aired: May 13, 2020 The next episode of "X-Raying the Earth" reveals that the Atlantic island of ...
Aired: May 20, 2020 The largest volcano on Earth lies hidden beneath Yellowstone National Park, w...
Main Cast
Creators
Current Status: Ended
Network: National Geographic Channel
Production Countries: United Kingdom, United States
Genres:Documentary
