Driving south on I-5 into Seattle, the Cascadia Subduction Zone came to mind, especially when the highway dipped into a gloomy tunnel beneath Seattle’s relatively new skyscraper district. This fault line runs along the Pacific coast from north of Vancouver down into California. The western “plates” move implacably east and downward under the North American plate, building up massive tectonic forces that can produce some of the most violent megathrust earthquakes on the planet.
The zone also a...
Published on June 04, 2018 21:01