On the Statistical Significance of the Variability Minima of the Order Parameter of Seismicity by Means of Event Coincidence Analysis

Stavros Christopoulos, E.S. Skordas, N. V. Sarlis

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    Abstract

    Natural time analysis has led to the introduction of an order parameter for seismicity when considering earthquakes as critical phenomena. The study of the fluctuations of this order parameter has shown that its variability exhibits minima before strong earthquakes. In this paper, we evaluate the statistical significance of such minima by using the recent method of event coincidence analysis. Our study includes the variability minima identified before major earthquakes in Japan and Eastern Mediterranean as well as in global seismicity.
    Original languageEnglish
    Article number662
    Number of pages19
    JournalApplied Sciences
    Volume10
    Issue number2
    DOIs
    Publication statusPublished - 17 Jan 2020

    Bibliographical note

    © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

    Keywords

    • earthquake physics
    • natural time analysis
    • event coincidence analysis
    • Japan
    • Eastern Mediterranean
    • global seismicity

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