Scientists warn that the Cascadia Subduction Zone is capable of unleashing a massive 9.2 earthquake and tsunami that could cripple the Pacific Northwest. This video explains why the region is ...
By tracking swarms of very small earthquakes, seismologists are getting a new picture of the complex region where the San ...
More than 300 years ago, a massive earthquake rocked the Pacific Northwest. That event came from the Cascadia subduction zone, a 700 mile fault line stretching from Northern California to British ...