Temporal patterns in southern Aegean seismicity revealed by the multiresolution wavelet analysis |
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Authors: | Luciano Telesca George Hloupis Irini Nikolintaga Filippos Vallianatos |
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Institution: | aIstituto di Metodologie per l’Analisi Ambientale, Consiglio Nazionale delle Ricerche, C.da S.Loja, 85050 Tito, Italy;bTechnological Educational Institute of Crete, Chania, Crete, Greece |
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Abstract: | We applied multiresolution wavelet analysis to the sequence of times between earthquakes occurred between 1970 and 2003 in the southern Aegean area, one of the most seismically active area in the Mediterranean. We observed a twofold features in the wavelet-coefficient standard deviation σwav: (i) at low scales it decreases in correspondence with the occurrence of the strongest earthquake, mainly due to the aftershock activation mechanism; (ii) at high scales it is characterized by oscillating behaviour, which is a typical background seismicity. |
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Keywords: | Earthquakes Wavelet |
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