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Update and New Features of the Center for Engineering Strong Motion Data (CESMD)

by Hamid Haddadi, Christopher Stephen, Anthony Shakal, Moh Huang, D. Oppenheimer, William Savage, William Leith and John Parrish

Hamid Haddadi, Christopher Stephen, Anthony Shakal, Moh Huang, D. Oppenheimer, William Savage, William Leith and John Parrish (2009). Update and New Features of the Center for Engineering Strong Motion Data (CESMD) SMIP09 Seminar on Utilization of Strong-Motion Data, p. 89 - 106.

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Abstract

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). This paper briefly summarizes the CESMD functions, describes the new developed features at the Center and gives an update on the data recently added to the CESMD database. Users can now download multiple records from different earthquakes and stations in zip file(s) that are separated by earthquake name and date and recording station. Registered users are notified of new significant earthquakes with strong-motion data. Highlights are added to the Internet Data Reports of significant earthquakes that summarize earthquakes details and give an overview of available strong-motion data. The CESMD Internet Data Reports for major earthquakes provide access to the references, such as papers and reports that were published on the earthquakes. For each earthquake, a summary of records parameters including station location, peak ground acceleration, velocity, displacement, and peak response spectral values are downloadable as a table that can be imported to a spreadsheet. All the functions and features of the Center are organized in a page named “About CESMD”. Also, in this paper major earthquakes with strong ground motion data in CESMD that occurred since the SMIP 2007 seminar, in September 2007 are summarized.