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Earth science

The slippery slope

Seismic readings suggest that a zone of weak, slippery rocks lies beneath the Pacific northwest coast of the United States. These frail layers might be limiting the violence of earthquakes.

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Figure 1: Cross-section through the Cascadia subduction zone on the northwest coast of the United States.


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Correspondence to George Zandt.

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Zandt, G. The slippery slope. Nature 417, 497–498 (2002).

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