Earthquake Theories and the San Andreas Fault August 26, 2011 | USGS on YouTube This USGS video relates the theories of plate tectonics and elastic rebound to motion... California Fault Maps at 7.5′ Scale February 19, 2011 | California Geological Survey The California Geological Survey has posted a collection of fault maps, detailing the location of... State Geological Survey Staffing and Budgets June 22, 2011 | Arizona Geology The Arizona Geology blog shares some informative graphs of budget and staffing levels at State... The Beginning of Plate Tectonics April 18, 2012 | ScienceNews An article on the ScienceNews website titled "Stop-and-go plate tectonics" explores how the process of... |