Space-magnitude dependent scaling behaviour in seismic interevent series revealed by detrended fluctuation analysis

Luciano Telesca, Michele Lovallo, Vincenzo Lapenna and Maria Macchiato

Physica A: Statistical Mechanics and its Applications, 2008, vol. 387, issue 14, 3655-3659

Abstract: The scaling behaviour of the 1981–2007 seismicity data in central Italy, which is one of the most seismically active areas in Italy is investigated. In particular we examined the earthquakes located in a circular area centred on the epicentre of the strongest event, occurred in September 26, 1997 (duration magnitude MD=5.8). On the base of the detrended fluctuation analysis (DFA), we found that in the magnitude range between 2.5 and 2.9 the scaling exponents fall into disjoint sets for events relatively close and far from the epicentre of the strongest event.

Keywords: Seismicity; Detrended fluctuation analysis; Scaling (search for similar items in EconPapers)
Date: 2008
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:387:y:2008:i:14:p:3655-3659

DOI: 10.1016/j.physa.2008.02.035

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