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Authors: Malagnini, L.*
Scognamiglio, L.*
Mercuri, A.*
Akinci, A.*
Mayeda, K.*
Title: Strong evidence for non-similar earthquake source scaling in central Italy
Title of journal: Geophysical Research Letters
Series/Report no.: /35 (2008)
Publisher: American Geophysical Union
Issue Date: 2008
DOI: 10.1029/2008GL034310
Keywords: Self-similarity
Abstract: scaling of seismic sources of the Central Apennines (Italy) is investigated using broadband seismograms from the Colfiorito sequence (4<=Mw<=6 ). Our results are not consistent with self-similar scaling, and can be described by the following relationship: M0~fc^-(3_epsilon), where epsilon=1.7+-0.3 . We speculate that dynamic fault lubrication by fluid pressurization may be responsible for such extreme behavior, and use our results for the calibration of a weak-motion-based predictive relationship for the ground motion ( Mw<=4.1) up to Mw~6 for this region.
Appears in Collections:04.06.03. Earthquake source and dynamics
Papers Published / Papers in press

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