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4/26/2019 ATC Hazards by Location <br /> CR1 1 . 14 Coefficient of risk ( 1 . 0s ) <br /> PGA 0 .255 MCEG peak ground acceleration <br /> FPGA 1 . 289 Site amplification factor at PGA <br /> PGAM 0.329 Site modified peak ground acceleration <br /> TL 12 Long-period transition period (s) <br /> SsRT 0 .74 Probabilistic risk-targeted ground motion (0 . 2s) <br /> SsUH 0 .674 Factored uniform-hazard spectral acceleration (2 % probability of <br /> exceedance in 50 years ) <br /> SsD 1 .5 Factored deterministic acceleration value (0 . 2s ) <br /> S1RT 0 . 298 Probabilistic risk-targeted ground motion ( 1 . 0s ) <br /> S1 UH 0.261 Factored uniform-hazard spectral acceleration (2% probability of <br /> exceedance in 50 years) <br /> S1D 0 .6 Factored deterministic acceleration value ( 1 .0s ) <br /> PGAd 0 . 5 Factored deterministic acceleration value ( PGA) <br /> The results indicated here DO NOT reflect any state or local amendments to the values or any delineation lines made during the building code <br /> adoption process. Users should confirm any output obtained from this tool with the local Authority Having Jurisdiction before proceeding with <br /> design. <br /> Disclaimer <br /> Hazard loads are provided by the U .S . Geological Survey Seismic Design Web Services . <br /> While the information presented on this website is believed to be correct, ATC and its sponsors and contributors assume no responsibility or <br /> liability for its accuracy. The material presented in the report should not be used or relied upon for any specific application without competent <br /> examination and verification of its accuracy, suitability and applicability by engineers or other licensed professionals . ATC does not intend that the <br /> use of this Information replace the sound judgment of such competent professionals, having experience and knowledge in the field of practice , nor <br /> to substitute for the standard of care required of such professionals in interpreting and applying the results of the report provided by this website . <br /> Users of the information from this website assume all liability arising from such use . Use of the output of this website does not imply approval by <br /> the governing building code bodies responsible for building code approval and interpretation for the building site described by latitude/longitude <br /> location in the report. <br /> https ://hazards .atcouncii .org/#/seismic?lat=38 . 1176&Ing=- 121 .2590&address = 2/2 <br />