Center for Engineering Strong-Motion Data (CESMD)

Abstract eng:
The Center for Engineering Strong-Motion Data (CESMD) has been established by the U.S. Geological Survey (USGS) and the California Geological Survey (CGS) to provide a single access point for earthquake strong-motion records and station metadata from the CGS California Strong-Motion Instrumentation Program, the USGS National Engineering Strong-Motion Program, and the US Advanced National Seismic System (ANSS). The Center provides uniformly processed U.S. strong-motion data for earthquake engineering applications at www.strongmotioncenter.org. The CESMD builds on the Engineering Data Center of the California Integrated Seismic Network (CISN), and so will continue to serve the California region while expanding to serve other ANSS regions. The Center has operational centers in Sacramento and Menlo Park, California. Products are generated by both CGS and USGS facilities, thus ensuring robustness. Each strong-motion network operator is identified and receives credit for the data they have recorded. The CESMD web site provides new features to assist users in reviewing and selecting strong-motion records. Interactive Google Maps quickly displays maps and satellite views of strong-motion stations with symbols for the type of station (ground response or structural) and color coding according to PGA values. The views can be manipulated using standard tools, and can also display a photo of the station when the pointer hovers over the station symbol. The mapping tool can also display all the stations installed in an area as well as planned stations. All the stations loaded in the CESMD can be easily viewed in map form and data easily downloaded. The Center is in the process of assimilating the COSMOS Virtual Data Center, which was developed at U.C. Santa Barbara with support from the Consortium of Strong Motion Observation System (COSMOS), National Science Foundation (NSF), and the Southern California Earthquake Center (SCEC). The goal of all these developments is to continually improve access by the earthquake engineering community to strong-motion data and metadata world-wide.

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