Wikipedia (sorry), has a nice diagram that shows the different categories; the "crustal" and " deep" earthquakes being different from the subduction zone earthq

Wikipedia (sorry), has a nice diagram that shows the different categories; the "crustal" and " deep" earthquakes being different from the subduction zone earthquakes that this article is specifically about: https://en.wikipedia.org/wiki/Cascadia_subduction_zone#/media/File:Cascadia_earthquake_sources.png https://en.wikipedia.org/wiki/Cascadia_subduction_zone#/medi...