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CITY OF SANTA ANA <br />2/4/25, 9:52 PM U.S. Seismic Design Maps <br />Planning and Building Agency <br />USGS web services were down for some period of time and as a result this tool wasn't operational, resulting ir tirneout error. <br />USGS web services are now operational so this tool should work as expected. <br />Approved <br />(zi-'ll <br />ki <br />r-D <br />SUANCE <br />I <br />Master ID: <br />2218 Richmond St, Santa Ana, CA 92705, USA Date: <br />Latitude, Longitude: 33.7668652,-117.8420657 <br />Beechwood St Z <br />r <br />0 <br />Aspen St <br />OOrange County First <br />Assembly of God <br />0 <br />0 <br />0 <br />E. Avalon Ave OL <br />Go gle <br />Date <br />Design Code Reference Document <br />Risk Category <br />Site Class <br />Type <br />Value <br />Ss <br />1.321 <br />St <br />0.471 <br />SMs <br />1.585 <br />SMt <br />null -See Section 11.4.8 <br />SDS <br />1.057 <br />SDt <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 />0.553 <br />FPGA <br />1.2 <br />PGAM <br />0.664 <br />Tt_ <br />8 <br />SsRT <br />1.321 <br />SsUH <br />1.416 <br />SsD <br />1.5 <br />S 1 RT <br />0.471 <br />S1UH <br />0.508 <br />S1D <br />0.6 <br />PGAd <br />0.582 <br />PGAUH <br />0.553 <br />CRS <br />0.933 <br />CRt <br />0.927 <br />Cv <br />1.364 <br />https://www.seismicmaps.org <br />Stater Bros. Markets <br />E Santa Clare <br />Q Tennis Court Santa Clara East <br />Apartments 0 <br />Santa Clara Plaza <br />Portola Park Mango Tree Apartments O 40 <br />Map data 02025 Google <br />2/4/2025, 9:34:58 PM <br />ASCE7-16 <br />11 <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 />Uniform -hazard (2% probability of exceedance in 50 years) Peak Ground Acceleration <br />Mapped value of the risk coefficient at short periods <br />Mapped value of the risk coefficient at a period of 1 s <br />Vertical coefficient <br />1/2 <br />