Non-uniform scaling behavior in ultra-low-frequency (ULF) earthquake-related geomagnetic signals

Luciano Telesca and Katsumi Hattori

Physica A: Statistical Mechanics and its Applications, 2007, vol. 384, issue 2, 522-528

Abstract: Investigating highly non-stationary time series, which typically exhibit long-range correlations, is a classic problem in physics. Here, we analyze the scaling properties of the dynamics of ultra-low-frequency (ULF) geomagnetic data (in the frequency range between 1mHz and 10Hz) observed at Izu Peninsula in Japan. On the basis of the detrended fluctuation analysis (DFA), deviations from uniform power-law scaling were quantified. Our findings point out to a significant non-uniform scaling behavior in ULF geomagnetic data in relationship with the occurrence of intense seismic clusters.

Keywords: ULF geomagnetic signals; Seismicity; Detrended fluctuation analysis; Scaling (search for similar items in EconPapers)
Date: 2007
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:384:y:2007:i:2:p:522-528

DOI: 10.1016/j.physa.2007.05.040

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