Choosing the ‘best’ double couple from a moment-tensor inversion

Autor:	R. A. Strelitz
Rok vydání:	1989
Předmět:	Dipole Geophysics Mathematical model Geochemistry and Petrology Isotropy Mathematical analysis Moment tensor Inversion (meteorology) Geometry Eigenvalues and eigenvectors Mathematics
Zdroj:	Geophysical Journal International. 99:811-815
ISSN:	1365-246X 0956-540X
DOI:	10.1111/j.1365-246x.1989.tb02060.x
Popis:	SUMMARY General moment-tensor solutions contain double couples, compensated linear vector dipoles (CLVD’s) and isotropic sources. Since double-couple solutions are considered to be standard, it is important to find the best double-couple solution that is consistent with the original solution. It is proved that for a number of reasonable measures of fit, the best double couple is the one formed by removing a CLVD source with a magnitude of the intermediate non-zero eigenvalue. It is also shown that mixtures of double couple and CLVD’s may result from near-source changes in
Databáze:	OpenAIRE
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