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Journal: Bulletin of Seismological Society of America  2018 No.5A  Share to Sinaweibo  Share to QQweibo  Share to Facebook  Share to Twitter    clicks:256   
Title:
Stochastic Strong‐Motion Simulation in Borehole and on Surface for the 2011 Mw 9.0 Tohoku‐Oki Megathrust Earthquake Considering P, SV, and SH Amplification Transfer Functions
Author: cSergio Ruiz ; Javier Ojeda ; César Pastén ; Cristian Otarola ; Rodrigo Silva
Adress: Geophysics Department, Universidad de Chile, Blanco Encalada 2002, Santiago, Chile, sruiz@dgf.uchile.cl
Abstract: The 2011 Tohoku‐Oki megathrust earthquake and its aftershocks were well recorded by the KiK‐net network in accelerographs placed inside boreholes and on the surface. These data allow comparing strong‐motion records with synthetic acceleration time histories for this large magnitude earthquake that caused extensive damage in Japan. Generating synthetic accelerograms at high frequencies can be approached using different techniques. We use the stochastic method to simulate horizontal and vertical strong‐motion accelerograms in hard‐rock boreholes; additionally, we incorporate P, SV, and SH soil amplification transfer functions to generate surface accelerograms. We reproduce the three components of the strong motion for 18 stations of the 

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