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Effect of Soil and Rock Types

Amplification

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Mexico City earthquake

Earthquake ground shaking can be amplified by two primary geologic factors:

  • Softness of surficial soils, and
  • Thickness of surficial sediments.

As a result, building damage tends to be greater in areas underlain by soft sediments or deep basins.

For more information on ground amplification, click on this link to go to Effect of Soil and Rock Types.

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