Active faulting in the Calabrian arc and eastern Sicily

Monaco, Carmelo; Tortorici, L.

doi:10.1016/s0264-3707(99)00052-6

Cited by 329 publications

(328 citation statements)

References 26 publications

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“…Seismological information, based mainly on focal mechanisms of the strongest earthquakes (Sirte earthquake of April 19, 1935 and Tripoli earthquake of September 4, 1974) indicate in fact that the NW-SE trending regional faults affecting the Pelagian Block are characterized by a right lateral component of motion related to an oblique extension (oriented along  N 100°E direction) between Tunisia and Sicily (Westaway, 1990;1991). Geodetic and seismological data together show, therefore, that the entire Sicily Channel experiences a regional Late Quaternary ESE-striking extension that is consistent with that which controls the Siculo Calabrian Rift Zone (SCRZ in Figure 6) along the Ionian coast of Sicily and the Tyrrhenian side of the Calabrian arc (Monaco et al, 1997;Monaco and Tortorici, 2000). We suggest that, at a larger scale, this extension direction may be considered as a second-order deformation process induced by first order Africa-Europe kinematics defined by a NNW convergence.…”

Section: Summary and Discussionmentioning

confidence: 59%

Late Quaternary deformation on the island on Pantelleria: New constraints for the recent tectonic evolution of the Sicily Channel Rift (southern Italy)

Catalano

Guidi

Lanzafame

et al. 2009

Journal of Geodynamics

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Structural observations carried out on the volcanic island of Pantelleria show that the tectonic setting is dominated by NNE-trending normal faults and by NW-striking right-lateral strike-slip faults with normal component of motion controlled by a  N 100°E oriented extension.This mode of deformation also controls the development of the eruptive fissures, dykes and eruptive centres along NNE-SSW belts that may thus represent the surface response to crustal cracking with associated magma intrusions. Magmatic intrusions are also responsible for the impressive vertical deformations that affect during the Late Quaternary the south-eastern segment of the island and producing a large dome within the Pantelleria caldera complex. The results of the structural analysis carried out on the island of Pantelleria also improves the general knowledge on the Late Quaternary tectonics of the entire Sicily Channel. ESE-WNW directed extension, responsible for both the tectonic and volcano-tectonic features of the Pantelleria Island, also characterizes, at a greater scale, the entire channel as shown by available geodetic and seismological data. This mode of extension reactivates the older NW-SE trending fault segments bounding the tectonic troughs of the Channel as right-lateral strike slip faults and produces new NNE trending pure extensional features (normal faulting and cracking) that preferentially develop at the tip of the major strike-slip fault zones. We thus relate the Late Quaternary volcanism of the Pelagian Block magmatism to dilatational strain on * ManuscriptPage 2 of 27 A c c e p t e d M a n u s c r i p t the NNE-striking extensional features that develop on the pre-existing stretched area and propagate throughout the entire continental crust linking the already up-welled mantle with the surface.

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Section: Summary and Discussionmentioning

confidence: 59%

Late Quaternary deformation on the island on Pantelleria: New constraints for the recent tectonic evolution of the Sicily Channel Rift (southern Italy)

Catalano

Guidi

Lanzafame

et al. 2009

Journal of Geodynamics

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“…However, most of the faults involved in remain unknown or only tentatively related to proposed active faults [Monaco and Tortorici, 2000;Galli et al, 2007;Cucci and Tertulliani, 2010;Argnani, 2011]. The 5 February 1783 earthquake resulted in major surface rupture along the Cittanova fault (CF), documented by eyewitness accounts and pictures [see Galli and Bosi, 2002, Appendix 1] at least between the 23 km distant villages of Santa Cristina (SC in Figure 2) and Cinquefrondi.…”

Section: /2015gl064062mentioning

confidence: 99%

Low slip rates and multimillennial return times for M_w 7 earthquake faults in southern Calabria (Italy)

Galli

Peronace

2015

Geophysical Research Letters

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The Calabrian Arc is the epicentral region of one third of the strongest earthquakes of Italy (Mw ≥ 7.0). These are confined within a narrow peninsula which is the emerging portion of a slab‐related accretionary wedge, and all occurred in the past four centuries. Therefore, here more than anywhere in Italy, historical seismicity alone is not sufficient for seismic hazard assessment. We carried out geological and paleoseismological studies in southern Calabria that allowed characterizing the seismogenic behavior of the Cittanova fault which was responsible for one of the most catastrophic earthquakes to ever occur in Europe, the Mw 7.0 5 February 1783 event. We have found out conclusive evidence for four Holocene earthquakes prior to 1783, with a recurrence time longer (~3.2 kyr) than the other Apennine faults (0.3–2.4 kyr). We have also estimated a robust slip rate for the late Upper Pleistocene (0.6 mm/yr) and an extension rate (0.4 mm/yr) that could reflect the residual back‐arc opening of the Tyrrhenian Basin.

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“…This regional tectonic event led to the formation of a series of grabens along the entire western sector of the Calabrian Arc (the so-called Siculo-Calabrian Rift Zone, sensu Monaco & Tortorici 2000) The Crati Basin, forming part of this zone, is bounded by the Coastal Range to the west, by the Sila Massif to the east, by the Pollino Ridge to the north and by a NW-trending ridge to the south (Fig. 1).…”

Section: Geological Settingmentioning

confidence: 99%

The Crati River Basin: geomorphological and stratigraphical data for the Plio–Quaternary evolution of northern Calabria, South Apennines, Italy

Robustelli¹,

Muto²

2017

Geologica Carpathica

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Abstract:In this paper, we present the results of an integrated geomorphological and stratigraphical study carried out in the eastern side of the Crati River valley (northern Calabria, South Italy). This area is characterized by the occurrence of three order palaeosurfaces that, along with low-sloping palaeovalleys and structural landforms, are striking features of the landscape. The relationships between morpho-tectonic and sedimentary evolution of the Crati Basin has been assessed through sandstone detrital modes, morphostratigraphy and geomorphological correlation with adjacent areas. The two main unconformity surfaces that typify the Quaternary fill were correlated to different steps of landscape evolution. The presence of both erosional and depositional palaeosurfaces has been a useful marker for reconstructing sedimentary and morphogenetic events, and hence to detect drainage network evolution and changes in source sediment area. In particular, we recognized that the study area experienced, during the late Pliocene-Early Pleistocene a period of subaerial landscape modelling as suggested by low-sloping palaeovalleys and related fluvial deposits (1 st Order Palaeosurface). At that time, the source of the detrital constituents of the PPS Unit sandstones was mainly from the Sila Massif. The onset of Coastal Range identification and uplift (Early Pleistocene) marks a change in the geomorphic scenario with tectonic driven stream incision and valley development along the eastern side of Coastal Range, along with the occurrence of depositional and erosional landsurfaces (2 nd Order Palaeosurface) at footslopes. During this period, the Coastal Range and Sila Massif were the sources for the detrital constituents of the PlS Unit sandstones. The progressive uplift of Coastal Range during late Early Pleistocene and the marked backstepping of the depositional systems along the Sila footslope was accompanied by alternating phases of down-cutting and base-level stability resulting in the development of a step-like distributed 3 rd Order Palaeosurface. The presence of dolostone in detrital modes is clear evidence of stream piracy phenomena of ancient palaeovalleys by the Crati valley-facing drainage network.

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Active faulting in the Calabrian arc and eastern Sicily

Cited by 329 publications

References 26 publications

Late Quaternary deformation on the island on Pantelleria: New constraints for the recent tectonic evolution of the Sicily Channel Rift (southern Italy)

Late Quaternary deformation on the island on Pantelleria: New constraints for the recent tectonic evolution of the Sicily Channel Rift (southern Italy)

Low slip rates and multimillennial return times for M_w 7 earthquake faults in southern Calabria (Italy)

The Crati River Basin: geomorphological and stratigraphical data for the Plio–Quaternary evolution of northern Calabria, South Apennines, Italy

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Active faulting in the Calabrian arc and eastern Sicily

Cited by 329 publications

References 26 publications

Late Quaternary deformation on the island on Pantelleria: New constraints for the recent tectonic evolution of the Sicily Channel Rift (southern Italy)

Late Quaternary deformation on the island on Pantelleria: New constraints for the recent tectonic evolution of the Sicily Channel Rift (southern Italy)

Low slip rates and multimillennial return times for Mw 7 earthquake faults in southern Calabria (Italy)

The Crati River Basin: geomorphological and stratigraphical data for the Plio–Quaternary evolution of northern Calabria, South Apennines, Italy

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Low slip rates and multimillennial return times for M_w 7 earthquake faults in southern Calabria (Italy)