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Matched filtering for the seismic moment tensor
Author(s) -
Buland Ray,
Gilbert Freeman
Publication year - 1976
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/gl003i003p00205
Subject(s) - moment tensor , moment (physics) , accelerometer , deconvolution , geology , acceleration , seismology , geodesy , event (particle physics) , tensor (intrinsic definition) , computer science , mathematics , algorithm , physics , geometry , deformation (meteorology) , oceanography , classical mechanics , quantum mechanics , operating system
By a process of matched filtering it is possible to deconvolve a small number of acceleration or strain records for the moment rate tensor of a seismic source. Theoretically, one horizontal accelerometer (or strain meter) or two vertical accelerometers is sufficient. Practically, five to ten records can be shown to suffice. Specifically, the mechanism of the Colombian event of July 31, 1970 can be retrieved from a sparse network of ten WWSSN vertical instruments.