Response Spectra Station: Twentynine Palms - Zelda & Amboy Rd Station Owner: California Strong Motion Instrumentation Program Station Latitude & Longitude: 34.1657, -115.7470 Earthquake: Ridgecrest Foreshock Hypocentral Distance: 234.6 km Processing Info: CSMIP (Use the back button on your browser to return to the previous page)  Reconfigure Plots: % Damping 0251020 Accleration Units cm/s/s g Max Period (sec) Scale Factor for Data Overlay response spectrum:   None   UBC 1997 Help   Ca   Cv   IBC 2000   or    Ground-motion Help   SDS   SD1   Generic design spectrum Help   Max   Ca   T1   T2   T3  Component: Up Free field  PGA: -7.99 cm/s/s        accelerogram bandpass filtered with 3 db pts at 0.08 and 40.00 cyc/sec    Component: 90 Free field  PGA: -11.91 cm/s/s        accelerogram bandpass filtered with 3 db pts at 0.08 and 40.00 cyc/sec    Component: 180 Free field  PGA: 11.79 cm/s/s        accelerogram bandpass filtered with 3 db pts at 0.08 and 40.00 cyc/sec   Home + Login + Download + About Us + Contact Earthquakes + stations + Search + Map + Advanced Search