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10/1/23, 10:02 AM ATC Hazards by Location <br />https://hazards.atcouncil.org/#/seismic?lat=33.749501&lng=-117.8816253&address=1112 W 6th St%2C Santa Ana%2C CA 92703%2C USA <br />This is a beta release of the new ATC Hazards by Location website. Please contact us with feedback. <br />The ATC Hazards by Location website will not be updated to support ASCE 7-22. Find out why. <br />Hazards by Location <br />Search Information <br />Address:1112 W 6th St, Santa Ana, CA 92703, USA <br />Coordinates:33.749501, -117.8816253 <br />Elevation:108 ft <br />Timestamp:2023-10-01T17:02:01.556Z <br />Hazard Type:Seismic <br />Reference Document:ASCE7-16 <br />Risk Category:II <br />Site Class:D-default <br />Basic Parameters <br />Name Value Description <br />SS 1.297 MCER ground motion (period=0.2s) <br />S1 0.462 MCER ground motion (period=1.0s) <br />SMS 1.557 Site-modified spectral acceleration value <br />SM1 * null Site-modified spectral acceleration value <br />SDS 1.038 Numeric seismic design value at 0.2s SA <br />SD1 * null Numeric seismic design value at 1.0s SA <br />* See Section 11.4.8 <br />Additional Information <br />Name Value Description <br />SDC * null Seismic design category <br />Fa 1.2 Site amplification factor at 0.2s <br />Fv * null Site amplification factor at 1.0s <br />CRS 0.929 Coefficient of risk (0.2s) <br />CR1 0.925 Coefficient of risk (1.0s) <br />PGA 0.549 MCEG peak ground acceleration <br />FPGA 1.2 Site amplification factor at PGA <br />PGAM 0.659 Site modified peak ground acceleration <br />TL 8 Long-period transition period (s) <br />SsRT 1.297 Probabilistic risk-targeted ground motion (0.2s) <br />SsUH 1.397 Factored uniform-hazard spectral acceleration (2% probability of <br />exceedance in 50 years) <br />SsD 1.559 Factored deterministic acceleration value (0.2s) <br />S1RT 0.462 Probabilistic risk-targeted ground motion (1.0s) <br />S1UH 0.5 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 0.646 Factored deterministic acceleration value (PGA) <br />* See Section 11.4.8 <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 adoption process. Users should confirm any <br />output obtained from this tool with the local Authority Having Jurisdiction before proceeding with design. <br />Please note that the ATC Hazards by Location website will not be updated to support ASCE 7-22. Find out why. <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 liability for its accuracy. The material presented <br />in the report should not be used or relied upon for any specific application without competent examination and verification of its accuracy, suitability and applicability by engineers or other <br />licensed professionals. ATC does not intend that the use of this information replace the sound judgment of such competent professionals, having experience and knowledge in the field of <br />practice, nor to substitute for the standard of care required of such professionals in interpreting and applying the results of the report provided by this website. Users of the information from <br />this website assume all liability arising from such use. Use of the output of this website does not imply approval by the governing building code bodies responsible for building code approval <br />and interpretation for the building site described by latitude/longitude location in the report. <br />108 ft <br />Map data ©2023 Google Report a map error <br />5/25