A journey to the center of the USGS National Strong-motion Project processing and beyond
By: Lisa Sue Schleicher, Jamison Haase Steidl, Eric M. Thompson, Alan K. Yong, Jeff Brody, James Luke Blair, Mike Hearne, Brad T. Aagaard, Susan E. Hough, Han Shao, Garet Huddleston, Keira Heilpern, Kristin Marano, Gabe Ferragut, B. Worden, David J. Wald, Jason De Cristofaro, Adria Ruth McClain, B. Dunham, D. Nget, J. Aragon, J. Gomez, V. Amador, V. Carrasco Rodriquez, E. E. Luna, D. Cembalski, D. Childs, J. Smith, D. Croker, and L. Gee
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Abstract
The United States Geological Survey (USGS) National Strong Motion Project (NSMP) has the primary U.S. government responsibility to acquire, process, and disseminate significant strong-motion earthquake ground motion records measured at surficial free-field stations, structures (buildings, dams, and bridges, and geotechnical arrays to the earthquake engineering community. As a result of the deployment of modern seismic instrumentation and growth of tools such as web-services, earthquake data from U.S. and international seismic networks are more accessible than ever. Our mission is to provide raw and processed strong-motion waveforms with PGA values greater than 0.1%g for M3.0 earthquakes and larger in California and M4.0 and larger within the conterminous US, Hawaii, Puerto Rico, and Alaska. Datasets of interest to the engineering and geophysics communities, such as event sequences in areas of induced seismicity and significant global events, are also processed and posted at the Center for Engineering Strong Motion Data (CESMD) at strongmotioncenter.org when available through collaboration with the international strong-motion data community. Here we outline (1) the NSMP’s current workflow to acquire, process, and distribute data at CESMD; (2) our new endeavours and collaborations focusing on comparison and integration of waveform processing software, development of techniques for metadata quality checks before and after earthquakes, and construction of a dynamic site characterization repository; and (3) our topics for possible collaboration topics across the global strong-motion community.
Suggested Citation
Schleicher, L.S., Steidl, J.H., Thompson, E.M., Yong, A.K., Brody, J., Blair, J., Hearne, M., Aagaard, B.T., Hough, S.E., Shao, H., Huddleston, G., Heilpern, K., Marano, K., Ferragut, G., Worden, B., Wald, D.J., De Cristofaro, J., McClain, A.R., Dunham, B., Nget, D., Aragon, J., Gomez, J., Amador, V., Carrasco Rodriquez, V., Luna, E.E., Cembalski, D., Childs, D., Smith, J., Croker, D., and Gee, L., 2024, A journey to the center of the USGS National Strong-motion Project processing and beyond, 18th World Conference on Earthquake Engineering, Milan, Italy, June 30- July 5, 2024, 12 p.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | A journey to the center of the USGS National Strong-motion Project processing and beyond |
| Year Published | 2024 |
| Language | English |
| Publisher | International Association for Earthquake Engineering |
| Contributing office(s) | Earthquake Science Center |
| Description | 12 p. |
| Conference Title | 18th World Conference on Earthquake Engineering |
| Conference Location | Milan, Italy |
| Conference Date | June 30- July 5, 2024 |