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Space geodetic evidence for rapid strain rates in the New Madrid seismic zone of central USA

R. Smalley, M. A. Ellis (), J. Paul and R. B. Van Arsdale
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R. Smalley: Center for Earthquake Research and Information
M. A. Ellis: Center for Earthquake Research and Information
J. Paul: Center for Earthquake Research and Information
R. B. Van Arsdale: The University of Memphis

Nature, 2005, vol. 435, issue 7045, 1088-1090

Abstract: New Madrid taking the strain A series of large earthquakes centred on the town of New Madrid in the Mississippi Valley in the winter of 1811–12 still reverberates in the world of seismology. The controversy relates to their origin — over 2,000 km from the nearest plate boundary — and their relevance to earthquake hazard today. The population of New Madrid in the early nineteenth century was tiny: a similar event today would have much more serious consequences. New evidence, based on GPS data, points to the existence of rapid strain rates in the area, comparable in magnitude to those across active plate boundaries and consistent with known active faults in the region.

Date: 2005
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DOI: 10.1038/nature03642

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