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CSMIP (California Strong Motion Instrumentation Program) strong-motion records from the Santa Cruz Mountains (Loma Prieta), California earthquake of 17 October 1989
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1990
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EngineeringEarthquake ScenarioEarth ScienceStructural EngineeringGeophysicsGeotechnical EngineeringEarthquake SourceSeismic AnalysisEarthquake ForecastingGeodesyGround MotionCsmip StationsEarthquake EngineeringSan Fernando EarthquakeInduced SeismicityGeographyStructural Health MonitoringCalifornia EarthquakeEarthquake RuptureEngineering GeologyTectonicsOctober 1989SeismologyCivil EngineeringStrong-motion RecordsSeismic HazardSanta Cruz Mountains
Strong-motion records were recovered from 93 stations of the California Strong Motion Instrumentation Program (CSMIP) after the earthquake. CSMIP provides information on the force of ground motion and the deformation induced in structures and in rock and soil by earthquake-generated ground motion. This information is recorded by strong-motion sensors placed in engineered structures and at free field (ground) sites, and is used by earthquake engineers and earth scientists to improve the design of earthquake-resistant structures. The strong-motion instrumentation program was established after the San Fernando earthquake in 1971. A total of 125 records were recovered from the 93 CSMIP stations which recorded the Loma Prieta event. These 125 records contain data from a total of 690 strong-motion sensors. These data are important because of the unique structures and sites at which records were obtained during this event. Some highlights of particular interest are included in this paper.