Late Quaternary deformation of the southern Adriatic foreland(southern Apulia) from mesostructural data: preliminary results

Bucci, Daniela Di; Coccia, Stella; Fracassi, Umberto; Iurilli, Vincenzo; Mastronuzzi, Giuseppe; Palmentola, G.; Sansò, Paolo; Selleri, Gianluca; Valensise, Gianluca

doi:10.3301/ijg.2009.128.1.33

Cited by 2 publications

(3 citation statements)

References 49 publications

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“…7A). In this re spect, Chilovi et al (2000), di Bucci et al (2009, 2011) and Fes ta et al (2019a in ter preted the E-W strik ing right-lat eral seismogenic faults in the Apulian Fore land as in her ited and re ac ti vated struc tures.…”

Section: Discussionmentioning

confidence: 74%

“…It is not gen er ally ac knowl edged that tec tonic in her i tance may af fect ar eas de void of orogenic de for ma tion (e.g., outer fore land ar eas). How ever, in the struc tural con text of the Apulian Fore land the re ac ti va tion of Cre ta ceous faults has been hy poth e sized by Tropeano et al (1997), di Bucci et al (2009Bucci et al ( , 2011 and Fes ta et al ( 2019a), but doc u mented only by Chilovi et al (2000) for the Mattinata-Gon dola Fault (Fig. 1A), and by Fes ta (2003) for the Murge area.…”

Section: Discussionmentioning

confidence: 96%

“…2), though with no doc u mented con straints. This in ter pre ta tion may be cor rob o rated by the pres ence of sim i lar morpho-struc tures, both on shore and off shore the Murge area, re lated to sub-ver tical faults ac tive at least dur ing Qua ter nary (Iannone and Pieri, 1982;Tropeano et al, 1997;di Bucci et al, 2009di Bucci et al, , 2011Fes ta et al, 2019a), and, more over, re spon si ble for fre quent low-energy seis mic ity (Tropeano et al, 1997;Del Gaudio et al, 2001Fes ta et al, 2019a).…”

Section: Introductionmentioning

confidence: 99%

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The northern fault of the onshore-offshore Monte Giove relief in the southern Adriatic Sea, Italy: implications for tectonic reactivation in the Apulian Foreland

Cicala,

De Giosa,

Festa

et al. 2023

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We provide improved constraints on the timing, geometry and kinematics of the fault that may control the northern submerged morpho-structural relief termed Monte Giove, offshore from the town of Polignano a Mare. We have integrated onshore and offshore data, and interpreted seismic profiles from the ViDEPI project pertaining to the offshore Adriatic Sea of the Murge area, and made field observations north of Polignano a Mare. The fault has been surveyed onshore and mainly offshore along a distance of ~25 km. Generally striking E–W, it dips at high angle to the NNE in the west and to the N in the east. Active since at least the Cretaceous, this was reactivated after the Early Pleistocene with dextral oblique-slip kinematics. It borders the Monte Giove submerged relief/structural high, and continues eastwards in the Adriatic Sea into the Northern Deformation Zone/”Murge basse” graben, that in turn affected the onshore Murge area. Fault reactivation may have been related to a strain field in the outer part of the gentle buckle fold that involved the continental lithosphere of the Apulian Foreland (i.e., the areas of the Murge onshore and the Adriatic Sea offshore) since the Middle Pleistocene, as roll-back of the subducting lithosphere halted. Besides its tectonic reactivation, this fault has important implications as regards local seismic hazard, as well as the morphology influencing the present-day bioherm.

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Section: Discussionmentioning

confidence: 74%

Section: Discussionmentioning

confidence: 96%

Section: Introductionmentioning

confidence: 99%

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The northern fault of the onshore-offshore Monte Giove relief in the southern Adriatic Sea, Italy: implications for tectonic reactivation in the Apulian Foreland

Cicala,

De Giosa,

Festa

et al. 2023

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Recasting Historical Earthquakes in Coastal Areas (Gargano Promontory, Italy): Insights from Marine Paleoseismology

Fracassi¹,

Bucci²,

Ridente³

et al. 2012

Bulletin of the Seismological Society of America

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Historical earthquakes of the Gargano Promontory, an uplifted foreland sector in southeastern Italy, have been usually regarded as generated by inland faults. Some have been associated with activity of the Mattinata fault, a section of a regional east-west shear zone. The 10 August 1893 M w 5.4 event is one such earthquake, but its current onshore location is only loosely based on the damage pattern.Regions that were hit by offshore earthquakes are also known to be affected by a methodological bias such that offshore historical events appear to be located onshore. To test this condition for the 1893 earthquake, we pursued an alternative hypothesis for its location. The earthquake occurred near the Gondola fault zone, a right-lateral active fault system representing the offshore counterpart of the Mattinata fault and hence capable of producing sizable earthquakes along the Gargano coast. We focused on its westernmost segment, suggesting that it could be the causative fault of the 1893 earthquake (in agreement with both the damage distribution and reported environmental effects).The approach we present works side by side with the recent developments of the algorithms used to compile historical catalogs, providing a fine-scale, geologically based method to define or confirm the dubious location of historical earthquakes. Marine paleoseismology is a new field stemming from the increased capabilities of high-resolution marine techniques in supporting classical paleoseismological analyses for the exploration of the seismogenic potential of offshore faults. Based on Late Pleistocene and Holocene individual or cumulative earthquake records, the potential of offshore faults can now be constrained in terms of expected magnitude and recurrence intervals.We stress the importance of revisiting historical earthquakes in coastal zones using marine paleoseismological data to assess regional seismic hazard, particularly in tectonic settings where regional-size seismogenic areas straddle the onshore and the onshore-offshore zone.

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Late Quaternary deformation of the southern Adriatic foreland(southern Apulia) from mesostructural data: preliminary results

Cited by 2 publications

References 49 publications

The northern fault of the onshore-offshore Monte Giove relief in the southern Adriatic Sea, Italy: implications for tectonic reactivation in the Apulian Foreland

The northern fault of the onshore-offshore Monte Giove relief in the southern Adriatic Sea, Italy: implications for tectonic reactivation in the Apulian Foreland

Recasting Historical Earthquakes in Coastal Areas (Gargano Promontory, Italy): Insights from Marine Paleoseismology

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