Central U.S. quake threat debated
The earthquake risk of the central United States may not be as high as feared.
References:
Kerkela, S. . . . P. Segall. 1998. Strain accumulation in the New Madrid seismic zone from GPS data, 19931997. Meeting of the American Geophysical Union. December. San Francisco.
Newman, A., S. Stein, et al. 1998. Smaller-than-expected motions and implied lower-than-expected seismic hazard from GPS surveys across the New Madrid seismic zone. Meeting of the American Geophysical Union. December. San Francisco.
Sources:
Paul Segall
Stanford University
Department of Geophysics
Stanford, CA 94305Seth Stein
Northwestern University
Department of Geological Science
1847 Sheridan Road
Evanston, IL 60208
From Science News, Vol. 154, No. 25 & 26, December 19 & 26, 1998, p. 400. Copyright Ó 1998 by Science Service.
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