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3/28/25. 1:29 PM <br />U.S. Seismic Design Maps <br />USES web services were down for some Period of time and as a result this tool wabn't operational. n <br />USGS web services are now operational so this tool should work as expected <br />673 Young St, Santa Ana, CA 92705, USA <br />Latitude, Longitude: 33.7110457,-117.8571832 <br />CITY OF SANTA ANA <br />Planning and Building Agency <br />in rimeout error. <br />iI Approved <br />F0 T I I&NCE <br />Master ID: <br />Date: <br />Weddy's Studio Cornf rt 1wi & ult M . <br />0-ai c'. Col-tnty john.. Hotel Terrace <br />Holovision Ernmett St <br />Goetz Ave <br />L a1:=1'3 Plus Ors#t-ce <br />. <br />ALAO'Ch10r System Cotjnty :tt'Na",")part INI­ith <br />Costa Mesa, Moving �� �t� ts.: �� Holiday inn <br />Go gle Delivery Station <br />Date <br />Design Code Reference Document <br />Risk Category <br />Site Class <br />Type <br />Value <br />Ss <br />1.272 <br />St <br />0.455 <br />SMs <br />1.526 <br />SMt <br />null -See Section 11.4.8 <br />SDS <br />1.017 <br />SD1 <br />null -See Section 11.4.8 <br />Type <br />Value <br />SDC <br />null -See Section 11.4.8 <br />Fa <br />1.2 <br />Fv <br />null -See Section 11.4.8 <br />PGA <br />0.538 <br />FPGA <br />1.2 <br />PGAM <br />0.646 <br />T, <br />8 <br />SsRT <br />1.272 <br />SsUH <br />1.367 <br />SsD <br />1.78 <br />S 1 RT <br />0.455 <br />S 1 U H <br />0.491 <br />31 D <br />0.609 <br />PGAd <br />0.729 <br />3/28/2025, 1:28:45 PM <br />ASCE7-16 <br />I I <br />D - Default (See Section 11.4.3) <br />Description <br />MCER ground motion. (for 0.2 second period) <br />MCER ground motion. (for 1.0s period) <br />Site -modified spectral acceleration value <br />Site -modified spectral acceleration value <br />Numeric seismic design value at 0.2 second SA <br />Numeric seismic design value at 1.0 second SA <br />Description <br />Seismic design category <br />Site amplification factor at 0.2 second <br />Site amplification factor at 1.0 second <br />MCEG peak ground acceleration <br />Site amplification factor at PGA <br />Site modified peak ground acceleration <br />Long -period transition period in seconds <br />Probabilistic risk -targeted ground motion. (0.2 second) <br />Factored uniform -hazard (2% probability of exceedance in 50 years) spectral acceleration <br />Factored deterministic acceleration value. (0.2 second) <br />Probabilistic risk -targeted ground motion. (1.0 second) <br />Factored uniform -hazard (2% probability of exceedance in 50 years) spectral acceleration. <br />Factored deterministic acceleration value. (1.0 second) <br />Factored deterministic acceleration value. (Peak Ground Acceleration) <br />Map data (02025 <br />hftps://www.seismicmaps.org 1/3 <br />