Measurement and Analysis of ground movement using microgeodetic networks on active faults

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Published: Jan 1, 1979
DOI: https://doi.org/10.22201/igeof.00167169p.1979.18.1.1094
Keywords:
Peruvian Andes, seismicity, microgeodetic networks

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E. Nyland
Universidad Nacional Autónoma de México, Instituto de Ingeniería, IIMAS, Ciudad Universitaria, Delegación Coyoacán, 04510, Ciudad de México, México; Institute of Earth & Planetary Physics, Edmonton, Alberta, Canada
A. Chrzanowski
Departament of Surveying Engineering. Univ. of New Bronswick, Canada
E. Deza
Instituto Geofísico del Perú
G. Margrave
Institute of Earth & Planetary Physics, Edmonton, Alberta, Canada
M. Dennler
Departament of Surveying Engineering. Univ. of New Bronswick, Canada
A. Szostak
Departament of Surveying Engineering. Univ. of New Bronswick, Canada

Abstract

Repeated geodetic surveys over a thrust fault in the Peruvian Andes, demostrate surprisingly little movement in spite of continued low level seismicity. The inexpensive rugged instrumentation used can achieve accuracies of better 5 x 10-6 in strain. Reduction of the survey data to show movements of points could be replaced by strain analysis but probably should provide a direct connection to fault split. Linears system analysis provides an alternate method of reduction whose theory is developed here but whose practice is more complex than expected.

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How to Cite
Nyland, E., Chrzanowski, A., Deza, E., Margrave, G., Dennler, M., & Szostak, A. (1979). Measurement and Analysis of ground movement using microgeodetic networks on active faults. Geofisica Internacional, 18(1), 53–71. https://doi.org/10.22201/igeof.00167169p.1979.18.1.1094
Issue
Vol. 18 No. 1 (1979): January 1, 1979
Section
Communication

References

CHRZANOWSKI, A., 1977. Design and Error Analysis of Surveying Projects, University, of New Brunswick, Dept. of Surveying Engineering, Fredericton NB Canda Report LN47.

ERICKSON, G. R., G. PLAFKER, J. FERNANDEZ C., 1970. Geological Events Associated with the May 30, 1970 Peru Earthquake, USGS Circular 639. DOI: https://doi.org/10.3133/cir639

FRANK, F. C., 1966. Deduction of Earth Strains from Survey Data, B.S.S.A. 56, 35-42. DOI: https://doi.org/10.1785/BSSA0560010035

GOLUB, G. H. and C. RINASCH, 1970. Singular value decomposition and least squares solutions, Numerische Mathematik, 14 (5). DOI: https://doi.org/10.1007/BF02163027

LAZZARINI, T. et al., 1977. Geodezyjne Pomiary Przemieszczen Budowli i ich Otoczenia, Warsaw (in Polish), PPWK.

NYLAND, E., 1973. Body force equivalent calculations for Permanent deformation in the near field, Geophys. J. R. Ast. Soc., 35, 225-228.

RANALLI, G., 1975. Geotectonic relevance of rock-stress determinations, Tectonophysics, 29 pp.49-58. DOI: https://doi.org/10.1016/B978-0-444-41420-5.50013-7

SCHWARTZ, D. P. et al., 1978. Quaternary, faulting along the Caribbean-North American Plate Boundary in Central America, Tectonophysics (in press.). DOI: https://doi.org/10.1016/B978-0-444-41783-1.50070-2