| Issue |
EPL
Volume 81, Number 6, March 2008
|
|
|---|---|---|
| Article Number | 69001 | |
| Number of page(s) | 5 | |
| Section | Geophysics, Astronomy and Astrophysics | |
| DOI | https://doi.org/10.1209/0295-5075/81/69001 | |
| Published online | 22 February 2008 | |
Long-term memory in earthquakes and the distribution of interoccurrence times
1
Institut für Theoretische Physik III, Justus-Liebig-Universität Giessen - 35392 Giessen, Germany
2
School of Environmental Sciences, University of East Anglia - Norwich, NR4 7TJ, UK
3
Minerva Center and Department of Physics, Bar-Ilan University - Ramat-Gan 52900, Israel
Corresponding author: sabine.lennartz@physik.uni-giessen.de
Received:
23
November
2007
Accepted:
24
January
2008
We study seismic records in regimes of stationary seismic activity in Northern and Southern California. Our analysis suggests that the earthquakes are long-term power law correlated with a correlation exponent γ close to 0.4. We show explicitly that the long-term correlations can explain both the fluctuations of magnitudes and interoccurrence times (between events above a certain magnitude M) and, without any fit parameter, the scaling form of the distribution function of the interoccurrence times in the seismic records, recently obtained by Corral (Phys. Rev. Lett., 92 (2004) 108501).
PACS: 91.30.Ab – Theory and modeling, computational seismology / 89.75.Da – Systems obeying scaling laws / 95.75.Wx – Time series analysis, time variability
© EPLA, 2008
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.