Earthquake Ground Motion Modeling with Stochastic Line Source

by Ruichong Zhang, Princeton Univ, Princeton, United States,
Y. K. Lin, Princeton Univ, Princeton, United States,

Document Type: Proceeding Paper

Part of: Probabilistic Mechanics and Structural and Geotechnical Reliability


Principles of geophysics and stochastics are applied to develop an earthquake model, in which the earth medium is idealized as consisting of stratified elastic layers, responding to seismic dislocations propagating along a fault line. Results are obtained for the correlation function and evolutionary spectral density at a given site, and cross-correlation function and cross-evolutionary spectral density at two sites on the ground surface.

Subject Headings: Ground motion | Earthquakes | Stochastic processes | Correlation | Mathematical models | Power spectral density | Elastic analysis | Seismic tests

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