Keywords: Tacoma fault zone.png en Map of the Tacoma WA fault zone Extract of figure 1 from Pratt et al Field and laboratory data from an earthquake history study of scarps in the hanging wall of the Tacoma fault Mason and Pierce Counties Washington U S Geological Survey Scientific Investigations Map 3060 2008 http //pubs usgs gov/sim/3060/pdf/Sheet_1 pdf Pratt et al USGS staff 2008 PD-USGov-USGS PD-USGov Faults in the United States Geological maps of Washington state Hanging walls geology Maps of earthquakes in North America Tacoma Fault Maps of basins |