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8/8122, 9:47 AM <br />U.S. Geological Survey - Earthquake Hazards Program <br />Unified Hazard Tool <br />Unified Hazard Tool <br />Please do not use this tool to obtain ground motion parameter values for the design <br />documents covered by the U.S. Seismic Design Maps web tools (e.g., the Internation <br />CITY OF SANTA ANA <br />Planning and Building Agency <br />Approved <br />FOR PERMIT ISSUANCE <br />Master <br />"gtiLpferek <br />al Building Code and <br />the ASCE 7 or 41 Standard). The values returned by the two applications are not identical. <br />^ Input <br />Edition <br />Spectral Period <br />Dynamic: Conterminous U.S. 2014 (update... Peak Ground Acceleration <br />Latitude <br />Decimal degrees <br />Time Horizon <br />Return period in years <br />33.7588 475 <br />Longitude <br />Decimal degrees, negative values for western longitudes <br />-117.8847 <br />Site Class <br />259 m/s (Site class D) <br />https://earthquake.usgs.gov/hazards/interactive/ 115 <br />