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1999 This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards or with the North American Stratigraphic Code. Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government. ABSTRACT A physically-motivated model for earthquake(More)
The following is an expanded version of presentations " Instrumentation of Federal Buildings " made by the senior author during: 1. the theme session on " How to Comply: The Halfway Point " organized by Subcommittee on During this meeting, an ad-hoc committee comprising the authors of this report was formed. The report was forwarded to the representatives(More)
Analysis of seismograph network data, earthquake catalogs from 1727 to 1982, and paleoseismic data for the central and eastern United States indicate that the Poisson probability of a damaging earthquake (magnitude >/= 6.0) occurring during the next 30 years is at a moderate to high level (0.4 to 0.6). When differences in seismic wave attenuation are taken(More)
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