Laserfiche WebLink
Unified Hazard Tool Page 1 of 6 <br />Unified Hazard Tool <br />Please do not use this tool to obtain ground motion parameter values for the design code <br />reference documents covered by the U.S. Seismic Design Maps web tools (e.g., the <br />International Building Code and the ASCE 7 or 41 Standard). The values returned by the two <br />applications are not identical. <br />^ Input <br />Edition <br />Dynamic: Conterminous U.S. 2008 (v3 <br />Latitude <br />Decimal degrees <br />33.775505 <br />Longitude <br />Decimal degrees, negative values for western longitudes <br />-117.869651 <br />Site Class <br />259 m/s (Site class D) <br />Spectral Period <br />Peak ground acceleration <br />Time Horizon <br />Return period in years <br />2475 <br />https://earthquake.usgs.gov/hazardslnteractivel 10/25/2018 <br />