Follow me on Substack: https://geographybygeoff.substack.com/ Follow me on Instagram: https://www.instagram.com/geographic_geoff/ Listen to the podcast: https://www.spreaker.com/show/what-if-geography Off the coast of northern California, Oregon, Washington, and British Columbia sits the Cascadia Subduction Zone, a particular kind of fault line that will eventually unleash an earthquake not seen since the year 1700. When it does eventually hit, it's estimated to be the largest earthquake to ever strike the modern United States. Unfortunately, the Pacific Northwest has not prepared for such an incredibly devastating disaster. So what happens if it the big earthquake hits tomorrow? Enjoy the video? Subscribe for more! https://www.youtube.com/channel/UC7-Z34pbJ0ZAOJRmUCEz0Cg Source links: https://www.newyorker.com/magazine/2015/07/20/the-really-big-one https://en.wikipedia.org/wiki/1700_Cascadia_earthquake https://en.wikipedia.org/wiki/Cascadia_subduction_zone https://en.wikipedia.org/wiki/2004_Indian_Ocean_earthquake_and_tsunami#Tsunami Photos and videos come from Pexels, Pixabay. Attribution below: Andrey Kirievskiy Chait Goli CityXcape Dean Diemert Everett Bumstead Evgenia Kirpichnikova FEMA Florian Delee Kelly L Kickstarter Marcus Morosan Mart Production Meysa Soheili Rodnae Productions Roman Odintsov Ruvim Miksanksiy Stephen Pierce Taryn Elliott Tom Fisk WeStarMoney Wikimedia images are all public domain unless otherwise noted above.