Map of the Cascadia Subduction Zone
![Map of the Cascadia Subduction Zone The Cascadia Subduction Zone off the coast of North America spans from northern California to southern British Columbia.](https://webarchive.library.unt.edu/web/20161121222723im_/https://www.fema.gov/media-library-data/1459793872818-e5eb3428c609347ac6694298128b8d42/map_cascadia_subduction_zone_medium.jpg)
The Cascadia Subduction Zone off the coast of North America spans from northern California to southern British Columbia. This subduction zone can produce earthquakes as large as magnitude 9 and corresponding tsunamis.
Photo by Mustafa Lazkani - Feb 02, 2016In Collection:
Last Updated: April 5, 2016