Near-source ground motion attenuation relationship for PGA and PSA of the vertical and horizontal components |
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| Authors: | H Aghabarati M Tehranizadeh |
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| Institution: | (1) Department of Civil and Environmental Engineering, Amirkabir University of Technology, Hafez St., Tehran, Iran |
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| Abstract: | In this paper, empirical ground-motion models for the vertical and average horizontal components of peak ground-motion and
acceleration response spectra from shallow crustal earthquakes are derived using near-source database. These attenuation relationships
were derived using a worldwide dataset consisted of corrected and processed accelerograms of 678 strong-motion records recorded
with 60 km of the rupture plane of earthquakes between Mw 5.2 and 7.9. Ground motion models are functions of earthquake mechanism, distance from source to site, local average shear
wave velocity, nonlinear soil response, sediment depth, depth-to-top of the rupture, hanging wall effects and faulting mechanism. |
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| Keywords: | Empirical ground-motion Shallow crustal earthquake Near-source Faulting mechanism Hanging wall Depth-to-top of the rupture Nonlinear soil response Sediment depth |
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