1. Types of Plate Boundaries in California The Great California ShakeOut

2. Divergent Boundaries: Two plates pull apart Convergent Boundaries: Two plates push together Transform Boundaries: Two plates slide horizontally against one another Plate boundary zones: Sometimes boundaries are not well defined, especially if they involve more than two plates. Types of Plate Boundaries The Great California ShakeOut

3. Transform boundary between the Pacific and North American plates along the San Andreas Fault Convergent boundary at the Cascadia Subduction Zone Convergent zone at the bend in the San Andreas Fault Divergent boundary at the Brawley Seismic Zone Plate Boundaries in California The Great California ShakeOut

4. References Kious, W. J., and Robert I. Tilling. "Understanding Plate Motions." This Dynamic Earth, USGS. United States Geological Survey, Feb. 1996. Web. 18 June 2013.. "The Salton Seismic Imaging Project." Earthquake Hazards Program. United States Geological Survey, 11 Dec. 2012. Web. 18 June 2013.. "Plate Boundaries." Department of Earth Sciences. Freie Universität Berlin, 31 Mar. 2008. Web. 18 June 2013.. The Great California ShakeOut