Processed Data from the Strong-Motion Record Obtained at a Base-Isolated Building in Rancho Cucamonga, California during the Redlands Earthquake of 2 October 1985

OSMS 86-01

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

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Strong-motion records were recovered from 13 stations instrumented by the California Strong Motion Instrumentation Program (CSMIP) following the Redlands earthquake of October 2, 1985. The records obtained were of low amplitude. A record of particular interest was obtained at the San Bernardino County Law and Justice Center in Rancho Cucamonga, which is a base-isolated building. This report presents results of the digitization and processing performed on the record from this building, located about 30 kilometers from the earthquake epicenter. The unprocessed accelerograms from several other stations for this earthquake are shown in the data report OSMS 85-02 (1985).