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v J i v <br /> reified Hazard Tool <br /> Please do not use this tool to obtain ground motion parameter values for the design code reference documents covered <br /> by the U.S. Seismic Design Maps web tools (e.g.,the International Building Code and the ASCE 7 or 41 Standard).The <br /> values returned by the two applications are not identical. <br /> Please also see the new USGS Earthquake Hazard Toolbox for access to the most recent NSHMs for the conterminous U.S. <br /> and Hawaii. <br /> Input <br /> dition Spectral Period <br /> Conterminous U.S.2014(v4.0.x) Peak Ground Acceleration <br /> atitude Time Horizon <br /> ecimal degrees Return period in years <br /> 40.41 2475 <br /> ongitude <br /> ecimal degrees.negative values for western longitudes <br /> -104.609 <br /> ite Class <br /> 760 m/s (B/C boundary) <br />