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Quick Report on CSMIP Strong-Motion Records for the February 28, 1990 Earthquake near Upland, California (Adobe PDF (SIZE 688 KB)) - Requires Adobe Acrobat Reader or other PDF viewer.
Introduction
Accelerograms of particular interest recorded at CSMIP stations during the February 28 earthquake near Upland, are attached. Four records from close-in stations have been recovered and are included here; record recovery is still underway. The map in Figure 1 shows the locations of these stations. Table 1 lists the epicentral distance and peak acceleration values for the stations.
