RESOURCES: California Quaking

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Science  14 Nov 2003:
Vol. 302, Issue 5648, pp. 1125
DOI: 10.1126/science.302.5648.1125a

Every day, several of California's more than 1000 shifting faults shake some part of the state. This clearinghouse of earthquake data keeps tabs on the ones that rattle northern California. Sponsored by the University of California, Berkeley, and the U.S. Geological Survey, the site catalogs magnitude, depth, location, and other measurements for earthquakes dating back to 1967. Check out near-real-time recordings from a network of seismographs scattered around northern and central California. Links take you to lists of recent seismic activity and “shake maps” that depict earthquake strength. In the diagram above, red indicates the most intense ground movement during the 1992 Petrolia quake, a magnitude 7.1 temblor centered near Eureka.

quake.geo.berkeley.edu

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