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dc.contributor.authorallDi Giovambattista, R.; a Istituto Nazionale di Geofisica e Vulcanologia, Via di Vigna Murata 605, 00143 Rome, Italy-
dc.contributor.authorallTyupkin, Yu. S.; Geophysical Center, RAS, Molodezhnaya 3, 117296 Moscow, Russian Federation-
dc.description.abstractSeismic quiescence and accelerating seismic energy release are considered as possible spatio-temporal patterns of the preparation process of the 6 September 2002 Palermo, Italy, earthquake (M 5.8). The detailed properties of the quiescence are analyzed applying the RTL algorithm. The RTL algorithm is based on the analysis of the RTL prognostic parameter, which is designed in such a way that it has a negative value if, in comparison with long-term background, there is a deficiency of events in the time–space vicinity of the tested point. The RTL parameter increases if activation of seismicity takes place. The RTL algorithm identified that a seismic quiescence started from the beginning of November 2001 and reached its minimum at the end of May 2002. The Palermo 2002 earthquake occurred 2 months after the RTL parameter restored its long-term background level. The application of a log-periodic time-to-failure model gives a ‘‘predicted’’ (in retrospect) magnitude M= 6.2 main shock on 5 May 2002.en
dc.format.extent777102 bytes-
dc.subjectSeismic quiescence;en
dc.titleSeismicity patterns before the M=5.8 2002, Palermo (Italy)earthquake: seismic quiescence and accelerating seismicityen
dc.subject.INGV04. Solid Earth::04.04. Geology::04.04.99. General or miscellaneousen
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dc.contributor.authorDi Giovambattista, R.-
dc.contributor.authorTyupkin, Yu. S.-
dc.contributor.departmenta Istituto Nazionale di Geofisica e Vulcanologia, Via di Vigna Murata 605, 00143 Rome, Italy-
dc.contributor.departmentGeophysical Center, RAS, Molodezhnaya 3, 117296 Moscow, Russian Federation-
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