Mineral resources of the Cabinet Mountains Wilderness, Lincoln and Sanders Counties, Montana
Open-File Report
78-327
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Abstract
This report describes the differential array, of seismometers recently installed at the Hollister, California, Municipal Airport. Such an array of relatively closely spaced seismometers has already been installed in El Centro and provided useful information for both engineering and seismological applications from the 1979 Imperial Valley earthquake. Differential ground motions, principally due to horizontally propagating surface waves, are important in determining the stresses in such extended structures as large mat foundations for nuclear power stations, dams, bridges and pipelines. Further, analyses of the records of the 1979 Imperial Valley earthquake from the differential array have demonstrated the utility of short-baseline array data in tracking the progress of the rupture wave front of an earthquake.
Suggested Citation
Lindsey, D.A., Wells, J.D., Van Loenen, R.E., Banister, D.P., Welded, R., Zilka, N.T., and Schmauch, S., 1978, Mineral resources of the Cabinet Mountains Wilderness, Lincoln and Sanders Counties, Montana: U.S. Geological Survey Open-File Report 78-327, vi, 99 p. : maps (14 fold. in envelope) ; 27 cm., https://doi.org/10.3133/ofr78327.
ISSN: 2331-1258 (online)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Mineral resources of the Cabinet Mountains Wilderness, Lincoln and Sanders Counties, Montana |
| Series title | Open-File Report |
| Series number | 78-327 |
| DOI | 10.3133/ofr78327 |
| Year Published | 1978 |
| Language | ENGLISH |
| Description | vi, 99 p. : maps (14 fold. in envelope) ; 27 cm. |