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A class of probability models for earthquake occurrences, called Short-term Exciting Long-term Correcting (SELC) models, is presented. This class encompasses features of diierent models presently used in hazard analysis to characterize earthquake catalogs, such as that of F. Omori. It ooers the potential for a uniied approach to the analysis and description(More)
The response of many dynamical systems to an impulse is a linear combination of decaying cosines. The frequencies of the cosines have generally been estimated in geophysics by periodogram analysis and little formal indication of uncertainty has been provided. This work presents an estimation procedure by the methods of complex demodulation and non-linear(More)
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