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8.A. - Page 71 <br /> Section 4: Evaluation of Environmental Impacts <br /> 4.6 - GEOLOGY AND SOILS <br /> Would the project: <br /> Potentially Less Than Less Than No <br /> Significant Significant with Significant Impact <br /> Impact Mitigation Impact <br /> Incorporation <br /> a) Expose people or structures to potential <br /> substantial adverse effects, including the risk of <br /> loss, injury, or death involving: <br /> i) Rupture of a known earthquake fault, as <br /> delineated on the most recent Alquist - Priolo <br /> Earthquake Fault Zoning Map issued by the <br /> State Geologist for the area or based on other ❑ ❑ ❑ ❑ <br /> substantial evidence of a known fault? Refer <br /> to Division of Mines and Geology Special <br /> Publication 42. <br /> ii) Strong seismic ground shaking? ❑ ❑ ® ❑ <br /> iii) Seismic - related ground failure, including ❑ ❑ ® ❑ <br /> liquefaction? <br /> iv) Landslides? ❑ ❑ ® ❑ <br /> b) Result in substantial soil erosion or the loss of ❑ ❑ ® ❑ <br /> topsoil? <br /> c) Be located on a geologic unit or soil that is <br /> unstable, or that would become unstable as a <br /> result of the project, and potentially result in on- or ❑ ❑ ® ❑ <br /> off -site landslide, lateral spreading, subsidence, <br /> liquefaction or collapse? <br /> d) Be located on expansive soil, as defined in Table <br /> 18 -1 -B of the Uniform Building Code (1997), ❑ ❑ ® ❑ <br /> creating substantial risks to life or property? <br /> e) Have soils incapable of adequately supporting the <br /> use of septic tanks or alternative wastewater ❑ ❑ ❑ <br /> disposal systems where sewers are not available <br /> for the disposal of wastewater? <br /> a.i) Less than Significant Impact. Redwood City is located on the San Francisco Peninsula. The Peninsula is <br /> traversed by three large faults of the San Andreas Fault System: San Andreas, the Pilarcitos, and the San <br /> Gregorio faults. The City is located 2,000 feet east of the San Andreas fault in the San Francisco Block <br /> (block). Although mapping completed under the Alquist - Priolo Earthquake Fault Zoning Act indicates that <br /> no active earthquake fault zones are located in the city, several major regional active fault zones are of <br /> concern. These major regional active faults include Hayward, Rodgers Creek, Calaveras, San Gregorio -Seal <br /> Cove, Maacama, West Napa, Green Valley, Concord, and Greenville faults. <br /> 95 State of California Departrnent of Conservation. Alquist- Priolo Earthquake Fault Zone Maps. <br /> <http: //www. quake. ca .gov /gmaps/VVH /regulatorymaps.htm> [July 24, 2014] <br /> 32 Redwood City Housing Element Initial Study <br />