Item talk:Q336606

{

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   "name": "GK15 GMPE - Graizer-Kalkan Ground-Motion Prediction Equations",
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       "abstract": "A ground-motion prediction equation (GMPE) for computing medians and standard deviations of peak ground acceleration and 5-percent damped pseudo spectral acceleration response ordinates of maximum horizontal component of randomly oriented ground motions was developed by Graizer and Kalkan (2007, 2009) to be used for seismic hazard analyses and engineering applications. This GMPE was derived from the greatly expanded Next Generation of Attenuation (NGA)-West1 database. In this study, Graizer and Kalkan\u2019s GMPE is revised to include (1) an anelastic attenuation term as a function of quality factor (Q0) in order to capture regional differences in large-distance attenuation and (2) a new frequency-dependent sedimentary-basin scaling term as a function of depth to the 1.5-km/s shear-wave velocity isosurface to improve ground-motion predictions for sites on deep sedimentary basins. The new model (GK15), developed to be simple, is applicable to the western United States and other regions with shallow continental crust in active tectonic environments and may be used for earthquakes with moment magnitudes 5.0\u20138.0, distances 0\u2013250 km, average shear-wave velocities 200\u20131,300 m/s, and spectral periods 0.01\u20135 s."
     },
     {
       "@type": "TextObject",
       "additionalType": "short description",
       "abstract": "Model item published in 2015-03-06 sourced from the USGS Model Catalog"
     }
   ],
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   "author": [
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       "@type": "Person",
       "name": "Erol Kalkan",
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         "value": "0000-0002-9138-9407",
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       "name": "Vladimir Graizer"
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