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11/8/22, 3:11 PM U.S. Seismic Design Maps <br />https://www.seismicmaps.org 1/2 <br />2045 S Garnsey St, Santa Ana, CA 92707, USA <br />Latitude, Longitude: 33.720883, -117.8746627 <br />Date 11/8/2022, 3:11:01 PM <br />Design Code Reference Document ASCE7-16 <br />Risk Category II <br />Site Class D - Default (See Section 11.4.3) <br />Type Value Description <br />SS 1.285 MCE R ground motion. (for 0.2 second period) <br />S1 0.46 MCE R ground motion. (for 1.0s period) <br />SMS 1.541 Site-modified spectral acceleration value <br />SM1 null -See Section 11.4.8 Site-modified spectral acceleration value <br />SDS 1.028 Numeric seismic design value at 0.2 second SA <br />SD1 null -See Section 11.4.8 Numeric seismic design value at 1.0 second SA <br />Type Value Description <br />SDC null -See Section 11.4.8 Seismic design category <br />Fa 1.2 Site amplification factor at 0.2 second <br />Fv null -See Section 11.4.8 Site amplification factor at 1.0 second <br />PGA 0.545 MCE G peak ground acceleration <br />FPGA 1.2 Site amplification factor at PGA <br />PGAM 0.654 Site modified peak ground acceleration <br />T L 8 Long-period transition period in seconds <br />SsRT 1.285 Probabilistic risk-targeted ground motion. (0.2 second) <br />SsUH 1.384 Factored uniform-hazard (2% probability of exceedance in 50 years) spectral acceleration <br />SsD 1.664 Factored deterministic acceleration value. (0.2 second) <br />S1RT 0.46 Probabilistic risk-targeted ground motion. (1.0 second) <br />S1UH 0.496 Factored uniform-hazard (2% probability of exceedance in 50 years) spectral acceleration. <br />S1D 0.6 Factored deterministic acceleration value. (1.0 second) <br />PGAd 0.681 Factored deterministic acceleration value. (Peak Ground Acceleration) <br />PGAUH 0.545 Uniform-hazard (2% probability of exceedance in 50 years) Peak Ground Acceleration <br />CRS 0.928 Mapped value of the risk coefficient at short periods <br />CR1 0.926 Mapped value of the risk coefficient at a period of 1 s <br />CV 1.357 Vertical coefficient <br />2045 S Garnsey St <br />03/06/23