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ATCHazards by Location <br />Search Information <br />Coordinates: <br />47.93027778,-122.2165278 <br />Elevation: <br />506 ft <br />Timestam p: <br />2019-06-24T22:26:03.875Z <br />Hazard Type: <br />Seismic <br />Reference <br />ASCE7-10 <br />Document: <br />Risk Category: <br />II <br />Site Class: <br />D <br />MCER Horizontal <br />Response Spectrum <br />Sa(g) , <br />s <br />lot OSequim <br />v <br />506 ft,,le <br />Whidbey Ett <br />Island <br />v <br />Redmond <br />Seattle ° <br />0 <br />E3 <br />Map, Report a map error, <br />Design Horizontal Response Spectrum <br />Sa(a) <br />1.20 0.80 <br />1.00 <br />0.80 0.60 <br />0.60 0.40 <br />0.40 <br />0 <br />0.20 .20 <br />0.00 0.00 <br />0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 Period (s) 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 Period (s) <br />Basic Parameters <br />Name Value Description <br />SS <br />1.399 <br />MCER ground motion (period=0.2s) <br />S, <br />0.535 <br />MCER ground motion (period=1.Os) <br />SMS <br />1.399 <br />Site -modified spectral acceleration value <br />SMi <br />0.802 <br />Site -modified spectral acceleration value <br />SDS <br />0.933 <br />Numeric seismic design value at 0.2s SA <br />SDI <br />0.535 <br />Numeric seismic design value at 1.0s SA <br />Additional Information <br />Name <br />Value <br />Description <br />SDC <br />D <br />Seismic design category <br />Fa <br />1 <br />Site amplification factor at 0.2s <br />F„ <br />1.5 <br />Site amplification factor at 1.0s <br />CRS <br />0.92 <br />Coefficient of risk (0.2s) <br />9 122 <br />