Natural time analysis of the Centennial Earthquake Catalog

N. V. Sarlis, S. R.G. Christopoulos

Research output: Contribution to journalArticlepeer-review

35 Citations (Scopus)


By using the most recent version (1900-2007) of the Centennial Earthquake Catalog, we examine the properties of the global seismicity. Natural time analysis reveals that the fluctuations of the order parameter κ1 of seismicity exhibit for at least three orders of magnitude a characteristic feature similar to that of the order parameter for other equilibrium or non-equilibrium critical systems-including self-organized critical systems. Moreover, we find non-trivial magnitude correlations for earthquakes of magnitude greater than or equal to 7.

Original languageEnglish
Article number023123
Issue number2
Early online date9 May 2012
Publication statusPublished - 1 Jun 2012
Externally publishedYes


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