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Report on progress at the Center for Engineering Strong Motion Data (CESMD)

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Abstract

Strong-motion data of engineering and scientific importance from the United States and other seismically active countries are served through the Center for Engineering Strong Motion Data (CESMD) at www.strongmotioncenter.org. Recently, the CESMD staff, with cooperation from colleagues at international strong-motion seismic networks, has disseminated strong-motion data from significant earthquakes that occurred in Italy, Haiti, Mexico, New Zealand, Chile, Japan, Turkey, and the United States.

The CESMD now automatically posts strong-motion data from an increasing number of seismic stations in California within a few minutes following an earthquake as an Internet Quick Report (IQR). As appropriate, IQRs are updated by more comprehensive Internet Data Reports that include reviewed versions of the data and maps showing, for example, the finite fault rupture along with the distribution of recording stations. Automated processing of strong-motion data will be extended to post the strong-motion records of the regional seismic networks of the Advanced National Seismic System (ANSS) outside California.

Transfer of the operational and maintenance responsibilities for the Consortium of Organizations for Strong Motion Observation Systems (COSMOS) Virtual Data Center (VDC) from the University of California at Santa Barbara to the CESMD is nearing completion. The VDC Tagged Format (VTF) file format has been adopted by the CESMD as the standard for converting strong motion data to facilitate the process of uploading data into the VDC database.

The CESMD now provides strong-motion records from lower magnitude (<M3.5) and smaller amplitude (<0.5%g) records for use in developing ground motion prediction equations in areas with less frequent earthquakes, such as the Central and Eastern US.

Additional publication details

Publication type Conference Paper
Publication Subtype Conference Paper
Title Report on progress at the Center for Engineering Strong Motion Data (CESMD)
Year Published 2012
Language English
Contributing office(s) Earthquake Science Center
Description 7 p.
Larger Work Title The 15th World Conference on Earthquake Engineering
Conference Title The 15th World Conference on Earthquake Engineering
Conference Location Lisbon, Portugal
Conference Date September 24-28, 2012
Country UNITED STATES
Online Only (Y/N) N
Additional Online Files (Y/N) N