On the clustering of seismicity in the Southern Tyrrhenian area

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...

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Main Authors: A. Mazzarella, G. Luongo
Format: Article
Language:English
Published: Istituto Nazionale di Geofisica e Vulcanologia (INGV) 1997-06-01
Series:Annals of Geophysics
Subjects:
Online Access:http://www.annalsofgeophysics.eu/index.php/annals/article/view/3862
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author A. Mazzarella
G. Luongo
author_facet A. Mazzarella
G. Luongo
author_sort A. Mazzarella
collection DOAJ
description 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.
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spelling doaj.art-c50365134bd64446ba5ce68f0bd9834c2022-12-21T19:52:48ZengIstituto Nazionale di Geofisica e Vulcanologia (INGV)Annals of Geophysics1593-52132037-416X1997-06-0140510.4401/ag-3862On the clustering of seismicity in the Southern Tyrrhenian areaA. MazzarellaG. LuongoHigh-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.http://www.annalsofgeophysics.eu/index.php/annals/article/view/3862Benioff zonefractalscale invarianceclusteringintegral correlation
spellingShingle A. Mazzarella
G. Luongo
On the clustering of seismicity in the Southern Tyrrhenian area
Annals of Geophysics
Benioff zone
fractal
scale invariance
clustering
integral correlation
title On the clustering of seismicity in the Southern Tyrrhenian area
title_full On the clustering of seismicity in the Southern Tyrrhenian area
title_fullStr On the clustering of seismicity in the Southern Tyrrhenian area
title_full_unstemmed On the clustering of seismicity in the Southern Tyrrhenian area
title_short On the clustering of seismicity in the Southern Tyrrhenian area
title_sort on the clustering of seismicity in the southern tyrrhenian area
topic Benioff zone
fractal
scale invariance
clustering
integral correlation
url http://www.annalsofgeophysics.eu/index.php/annals/article/view/3862
work_keys_str_mv AT amazzarella ontheclusteringofseismicityinthesoutherntyrrhenianarea
AT gluongo ontheclusteringofseismicityinthesoutherntyrrhenianarea