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3/9/2026 • U.S.Seismic Design Maps • <br /> ;IN OSHPD <br /> gS <br /> CAUFORMA <br /> Latitude, Longitude: 47.931311, -122.247531 <br /> 6 a, <br /> o D <br /> FedEx Ship.Center 8 p <br /> a <br /> Jimmy John's`c. <br /> a; <br /> orb . Westwood Precision <br /> Mahal Indian Cuisine °t SQ <br /> c.. a Safran Ventilation <br /> Googie .0 Systems Usa Map data©2020 <br /> Date 3/9/2020,9:53:19 AM <br /> Design Code Reference Document ASCE7-10 <br /> IRisk Category II <br /> I Site Class D-Stiff Soil <br /> Type Value Description <br /> Ss 1.436 MCER ground motion.(for 0.2 second period) <br /> Si 0.55 MCER ground motion.(for 1.0s period) <br /> SMS 1.436 Site-modified spectral acceleration value <br /> SMt 0.825 Site-modified spectral acceleration value <br /> Sps 0.957 Numeric seismic design value at 0.2 second SA <br /> SD-1 0.55 Numeric seismic design value at 1.0 second SA <br /> Type Value Description <br /> SDC D Seismic design category <br /> Fa 1 Site amplification factor at 0.2 second <br /> Fv 1.5 Site amplification factor at 1.0 second ! g <br /> PGA 0.609 MCEG peak ground acceleration <br /> i j p <br /> FPGA 1 Site amplification factor at PGA I { <br /> PGAM 0.609 Site modified peak ground acceleration <br /> TL 6 Long-period transition period in seconds <br /> SsRT 1.436 Probabilistic risk-targeted ground motion.(0.2 second) <br /> SsUH 1.571 Factored uniform-hazard(2%probability of exceedance in 50 years)spectral acceleration <br /> SsD 3.195 Factored deterministic acceleration value.(0.2 second) IIII <br /> i 1 <br /> S1RT 0.55 Probabilistic risk-targeted ground motion.(1.0 second) <br /> S1 UH 0.609 Factored uniform-hazard(2%probability of exceedance in 50 years)spectral acceleration. { I <br /> S1D 1.29 Factored deterministic acceleration value.(1.0 second) <br /> PGAd 1.233 Factored deterministic acceleration value.(Peak Ground Acceleration) <br /> CRS 0.914 Mapped value of the risk coefficient at short periods <br /> CR1 0.903 Mapped value of the risk coefficient at a period of 1 s <br /> 3 <br /> 11 <br /> https://seismicmaps.org 1/2 <br />