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A procedure for the joint inversion of regional and teleseismic long‐period body waves
Author(s) -
Holt William E.,
Wallace Terry C.
Publication year - 1987
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/gl014i009p00903
Subject(s) - inversion (geology) , geology , seismogram , seismology , geodesy , waveform , geophysics , computer science , tectonics , telecommunications , radar
A procedure for the joint inversion of regional and teleseismic long‐period waveforms for source parameters is presented. Three test cases demonstrate that the inclusion of regional distance seismograms to a data set of teleseismic observations stabilizes the inversion process and adds valuable constraints to the source parameter estimates, particularly when the teleseismic Green's functions are inadequate. The added stability and constraints from regional waveforms can be attributed to the robust nature of regional distance Green's functions, as well as the added coverage of the focal sphere that regional data provide. Singular value decomposition is a useful inversion method that is well suited for this study because it provides a measure of the solution dependence on individual observations.