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"copyrightText": "Washington Geological Survey, 2021, Shear wave database--GIS data: Washington Geological Survey Digital Data Series 17, version 1.3, previously released June, 2019.\n [https://fortress.wa.gov/dnr/geologydata/publications/data_download/ger_portal_shear_wave.zip]",
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"Title": "Shear Wave Data",
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"Comments": " This data is a compilation of shear-wave data from studies performed by the Washington Geological Survey, the U.S. Geological Survey, and the Environmental and Engineering Geophysical Society. This dataset contains one feature class providing strong-motion sensor site locations and two related GIS tables that provide S-wave and P-wave velocity data obtained from those sites.<\/SPAN><\/P> Shear wave data are used to quantify and classify the National Earthquake Hazard Reduction Program (NEHRP) site-class data and to construct accurate ShakeMaps in Washington and Oregon. This data is also used to refine ground-motion prediction equations for Pacific Northwest earthquakes.<\/SPAN><\/P><\/DIV><\/DIV><\/DIV>",
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"Keywords": "ANSS,MAM,MASW,active seismic survey,passive seismic survey,PNSN,seismic station,shear-wave velocity,vs30m,broadband,short period,strong-motion,S-wave,P-wave,earthquake,Advanced National Seismic System,Pacific Northwest Seismic Network,ShakeMap"
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