The Center for Engineering Strong Motion Data (CESMD) is a cooperative center established by the US Geological Survey (USGS) and the California Geological Survey (CGS) to integrate earthquake strong-motion data from the CGS California Strong Motion Instrumentation Program, the USGS National Strong Motion Project, and the Advanced National Seismic System (ANSS). The CESMD provides raw and uniformly processed strong-motion data for earthquake engineering applications.
The Center is advised by an Advisory Committee comprised of external data users representing a range of engineering usages.
The Advanced National Seismic System has several regions in the US which recover strong motion data as well as locating earthquakes. Data from each region and from participating international networks will be posted here for engineering use, with the source network identified.
To provide comments and or suggestions, or for questions about the data, please email us at cesmd@strongmotioncenter.org.
General Questions and Answers about strong motion data and the center, as well as descriptions of the Formats of Data Files are available.
To learn more about the seismic networks and centers cooperating in the CESMD, please visit:
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