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Authors: Luongo, G.* 
Mazzarella, A.* 
Title: On the clustering of seismicity in the Southern Tyrrhenian area
Issue Date: Oct-1997
Series/Report no.: 5/40 (1997)
Keywords: Benioff zone
scale invariance
integral correlation
Subject Classification04. Solid Earth::04.06. Seismology::04.06.99. General or miscellaneous 
04. Solid Earth::04.07. Tectonophysics::04.07.06. Subduction related processes 
Abstract: High-quality shallow, intermediate and deep shocks from the Southern Tyrrhenian area (interval: 1985-1995) are analysed to draw inferences on the complex shape of the underlying Benioff zone. The hypothesis of an active NW-oriented subduction of the lithosphere, generated and stressed by the opening of the Tyrrhenian basin, is confirmed. The fractal behaviour of seismic data in its five-dimensional set (magnitude, time and space) is significantly identified, even if within specific ranges. The light but significant variations of the different fractal dimensions measured during more recent years is explained in terms of a reduction in the fracturing degree of the Southern Tyrrhenian crust.
Appears in Collections:Annals of Geophysics

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