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Abstract For more than two decades, Chile’s National Seismological Center has produced a seismic catalog built by manual reading of first-arrival P and S waves recorded by local and regional stations. This catalog helped improve the knowledge regarding the Chilean subduction zone and contains several important earthquake sequences. The density of stations, the kind of instruments, and the location criteria have evolved through time, preventing the earthquake catalog from being homogeneous. We analyzed the time and space variation of the seismicity and built a consolidated catalog of relocated events as a by-product of our research. Finally, we present the b-values, the completeness magnitude, and the most persistent clusters, which provide insights about the Chilean seismicity.
Potin et al. (Wed,) studied this question.