Abstract
Using numerical simulation we present and assess the major features and characteristics of the around motion which takes place during an earthquake. We study the cases of strike-slip and dip-slip faulting. In the former case we show that large surface displacements and high-frequency motions are confined to a narrow zone around the fault and to the region which extends beyond the source along the trend of the fault. The results show the strong directivity effect of the propagating rupture and the large increase in amplitude of motion and duration of shaking when sediments are present. The good agreement between the numerical results and the observations made during earthquakes demonstrates that many of the characteristics of the ground motion can be predicted by numerical simulation. Such an attempt is made to obtain quantitative estimates of differential motions in earthquakes.
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© 1987 Springer Science+Business Media Dordrecht
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Bouchon, M. (1987). Numerical Simulation of Earthquake Ground Motion. In: Erdik, M.Ö., Toksöz, M.N. (eds) Strong Ground Motion Seismology. NATO ASI Series, vol 204. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-3095-2_7
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DOI: https://doi.org/10.1007/978-94-017-3095-2_7
Publisher Name: Springer, Dordrecht
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