Nonlinear ground-motion amplification by sediments during the 1994 Northridge earthquake

@article{Field1997NonlinearGA,
  title={Nonlinear ground-motion amplification by sediments during the 1994 Northridge earthquake},
  author={Edward H. Field and Paul A. Johnson and Igor A. Beresnev and Yuehua Zeng},
  journal={Nature},
  year={1997},
  volume={390},
  pages={599-602}
}
It has been known since at least 1898 (ref. 1) that sediments can amplify earthquake ground motion relative to bedrock. For the weak ground motion accompanying small earthquakes, the amplification due to sediments is well understood in terms of linear elasticity (Hooke's law), but there has been a long-standing debate regarding the amplification associated with the strong ground motion produced by large earthquakes. The view of geotechnical engineers, based largely on laboratory studies, is… CONTINUE READING
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