Seismic Hazard Assessment of Hengshui Area by the Modified Stochastic Finite Fault Modeling

Bo Yan Liu; Wen Hao Shen; Bao Ping Shi

doi:10.4028/www.scientific.net/AMM.744-746.894

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 744-746Seismic Hazard Assessment of Hengshui Area by the...

Seismic Hazard Assessment of Hengshui Area by the Modified Stochastic Finite Fault Modeling

Abstract:

In recent years, numerical simulation of strong ground motion has been well developed with the progress of earthquake science, and it has become an important approach to estimate strong ground motion. In this research, we improve the original program of EXSIM and the modified program named MEXSIM to calculate the Peak Ground Acceleration (PGA) and Peak Ground Velocity (PGV) which is essential for seismic hazard assessment of Hengshui area. Considering the impact of V₃₀ (the average shear-velocity down to 30 m) we calculate the impact of two scenario earthquakes from the rupture processes of Hengshui fault and Qianmotou fault. Comparing to Qianmotou scenario earthquake, if the instability fault is Hengshui fault, the PGA and PGV could be 200-360gal and 20-35cm/s respectively in Hengshui city.

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Periodical:

Applied Mechanics and Materials (Volumes 744-746)

Pages:

894-897

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.744-746.894

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Online since:

March 2015

Authors:

Bo Yan Liu*, Wen Hao Shen, Bao Ping Shi

Keywords:

Seismic Hazard Assessment, Stochastic Finite Fault Modeling, Strong Ground Motion

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