Locations Mentioned in the Text (image) Geological Society of America Share Print E-Mail Caption This is a map showing the locations mentioned in the text as well as the major tectonic features of the Pacific coast of North America. CA -- California, SAF -- San Andreas fault, CSZ -- Cascadia subduction zone. Credit GSA Bulletin and Simms et al. Usage Restrictions GSA Bulletin and Simms et al. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.