Direct interconnection of seismicity with variations of the Earth's electric and magnetic field before major earthquakes

Upon employing the new concept of time, termed natural time, the analysis of seismicity reveals that, before major earthquakes, the variations of the Earth's electric and/or magnetic field are accompanied by increase of the fluctuations of the entropy change of seismicity under time reversal as...

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Veröffentlicht in:Europhysics letters 2024-04, Vol.146 (2), p.22001
Hauptverfasser: Varotsos, P. A., Sarlis, N. V., Skordas, E. S.
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Sarlis, N. V.
Skordas, E. S.
description Upon employing the new concept of time, termed natural time, the analysis of seismicity reveals that, before major earthquakes, the variations of the Earth's electric and/or magnetic field are accompanied by increase of the fluctuations of the entropy change of seismicity under time reversal as well as by decrease of the fluctuations of the seismicity order parameter. Hence, natural time analysis reveals that before major earthquakes independent datasets of different geophysical observables (seismicity, Earth's magnetic and/or electric field) exhibit changes, which are observed simultaneously. To the memory of the Academician Seiya Uyeda.
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subjects Earth
Earthquakes
Electric fields
Magnetic fields
Order parameters
Seismicity
title Direct interconnection of seismicity with variations of the Earth's electric and magnetic field before major earthquakes
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