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Lennartz, S.; Bunde, A.; Turcotte, D. L.
Geophysical journal international, March 2011, 20110301, Volume: 184, Issue: 3Journal Article
SUMMARY We consider sequences of earthquakes from northern and southern California. We study these data sets for long‐term persistence using the concept of natural time and fluctuation analyses. We also construct a simulation model for regional seismicity using random background seismicity and the BASS model for aftershock occurrence. We include in the simulation model corrections for long‐term persistence in the background seismicity and for missing data early in aftershock sequences. We find excellent agreement between the California data and the simulations indicating significant long‐term correlations in earthquake magnitudes.
