Global Positioning System (GPS) data
The NCEDC is home to achives of continuous and survey mode GPS data.
- Continuous GPS
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The Bay Area Regional Deformation (BARD) Network consists of 60 continuously operating GPS (CGPS) stations in northern and central California, with special emphasis on monitoring deformation near Parkfield, the Long Valley cauldera, and in the San Francisco Bay area.
- Survey Mode GPS
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Suvery-mode GPS data collected in the western United States, primarily in northern California, are archived at the NCEDC. This includes a data set of over 6000 occupations collected in 1992-present by the USGS Menlo Park in California, Oregon, Washington, Nevada, Utah, Idaho, and Alaska. Similar efforts are planned for other high-precision GPS datasets that have been collected by NGS, Caltrans, and other university, government, and commercial agencies.
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Northern California Earthquake Data Center
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Last modified: Mon Dec 17 17:31:07 PST 2007