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Structural geology

Invisible faults under shaky ground

The Haiti earthquake ruptured one or more buried faults, generated tsunamis and caused extensive structural damage in Port-au-Prince. Investigations in the epicentral region quantify seismic hazards but offer no clear views of Haiti's seismic future.

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Figure 1: The valley of the Enriquillo–Plantain Garden fault viewed from the west.


Figure 2: Schematic models for subsurface slip in the Haiti earthquake.


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Bilham, R. Invisible faults under shaky ground. Nature Geosci 3, 743–745 (2010).

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