DICTIONARY: Solid Definitions for an Unstable Field

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Science  29 Aug 2003:
Vol. 301, Issue 5637, pp. 1163
DOI: 10.1126/science.301.5637.1163b

If your understanding of the difference between a dip-slip fault and a strike-slip fault is a little shaky, slide over to this illustrated glossary of earthquake vocabulary from the U.S. Geological Survey. Photos and easy-to-grasp drawings help convey the meanings of more than 100 quake-related terms, from accretionary wedge to rupture velocity to tsunamigenic. In a strike-slip fault, for instance, the fracture is vertical, but it's tilted in a dip-slip fault, in which rock can move down (normal) or up (thrust).


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