PREFACEThe National Strong-Motion Program (NSMP) designs, develops, and operates a nation-wide earthquake instrumentation network in order to record potentially damaging ground motion and to monitor the structural response of buildings, bridges, and dams in seismically prone regions.The Program also disseminates resultant data and information about recordings, sites, and structures to the international earthquake engineering research and design community. The network consists of approximately 1,000 accelerographs located in 39 states and Puerto Rico, and includes instrumentation at more than 600 ground sites, 56 dams, 5 bridges, and more than 60 large buildings.
This report to preliminary and has not been reviewed for conformity with U. 8. Geological Survey editorial standards Cor with the North American Stratigraphic Code). Any use of trade, product, or firm names to for descriptive purposes only
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