Measuring multifractality in seismic sequences |
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Authors: | Luciano Telesca Vincenzo Lapenna |
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Affiliation: | aIstituto di Metodologie per l'Analisi Ambientale, Consiglio Nazionale delle Ricerche, C.da S.Loja, 85050 Tito (PZ), Italy |
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Abstract: | We investigated the multifractal structure of the interevent times between successive earthquakes that occurred in Umbria-Marche, which is one of the most seismically active areas of central Italy. We used the Multifractal Detrended Fluctuation Analysis (MF-DFA), which permits detection of multifractality in nonstationary series. Analyzing the time evolution of the multifractal behaviour of the seismic sequence, a loss of multifractality during the aftershocks is revealed. |
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Keywords: | Multifractal Detrended Fluctuation Analysis Earthquakes |
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