Following a sequence of exploratory inversions, the data set was culled to remove events and SNCL's with fewer than 7 data each and to also remove data with event-SNCL distances greater than 500 km. The remaining differential data were then inverted simultaneously, via constrained linear least-squares, to determine the perturbations to the amplitude decay function () and the adjustment () for each SNCL with the constraints: (1) = -3; and (2) the sum of the s for selected SNCLs with historical values = the sum of their historical values. This approach was taken to ensure consistency with past magnitudes determined in Northern and Southern California.
Berkeley Seismological Laboratory
215 McCone Hall, UC Berkeley, Berkeley, CA 94720-4760
Questions or comments? Send e-mail: email@example.com
© 2007, The Regents of the University of California