Processed Data from Strong-Motion Records of the Morgan Hill Earthquake of 24 April 1984: Part I Ground-Response Records

OSMS 85-04

by A.F. Shakal, M.J. Huang, D.L. Parke and R.W. Sherburne

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Strong motion records were recovered from nearly fifty stations of the California Strong Motion Instrumentation Program (CSMIP) following the Morgan Hill earthquake of April 24, 1984. Twenty-six of those stations were ground-response stations. This report presents results of the digitization and processing performed on the records obtained from nineteen of these stations. The unprocessed records for the remaining stations typically had maximum accelerations of 5% g or less, as shown in the data report by Shakal et al. (1984), and were not digitized. The results for the digitization of strong-motion records obtained at CSMIP structural-response stations are presented in an accompanying Part II report (Huang et al., 1985). Strong-motion records obtained by other agencies such as the U.S. Geological Survey (USGS) are described in the paper by Brady and Shakal (1985); the digitization results obtained by the USGS for those records are given in Brady et al. (1984).