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  • 1
    Publication Date: 1993-03-01
    Print ISSN: 0040-1951
    Electronic ISSN: 1879-3266
    Topics: Geosciences , Physics
    Published by Elsevier
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  • 2
    Publication Date: 2021-07-14
    Description: Two major deformation belts occur in the portion of the Adriatic Sea offshore the Gargano Promontory. The NE-SW - trending Tremiti Deformation Belt, located north of the Gargano Promontory, originated during the Plio- Quaternary, while the E-W-trending South Gargano Deformation Belt, located south of the Gargano Promontory, formed in a time span from Eocene to Early Pliocene. These deformation belts may have originated by tectonic inversion of Mesozoic extensional faults. This inversion tectonics, of Tertiary age, can be related to the evolution of the fold-and thrust belts surrounding the Adriatic Sea. The whole of the study area is, at present, seismically active and represents a preferential site of deformation.
    Description: Published
    Description: 573-578
    Description: open
    Keywords: southern Adriatic Sea ; foreland tectonics ; 04. Solid Earth::04.07. Tectonophysics::04.07.07. Tectonics
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 3
    Publication Date: 2021-07-14
    Description: Two major deformation belts occur in the portion of the Adriatic Sea offshore the Gargano Promontory. Although these two belts display similar characters on seismic profiles, they are different in other respects. The NE-SWtrending Tremiti Deformation Belt, located north of the Gargano Promontory, originated during the Plio-Quaternary, while the E-W-trending South Gargano Deformation Belt, located south of the Gargano Promontory, formed in a time span that goes from Eocene to early Pliocene. On the ground of structural and stratigrafic evidence these deformation belts are interpreted as originated by tectonic inversion of Mesozoic extensional faults. This inversion tectonics, of Tertiary age, can be related to the evolution of the fold-and-thrust belts that surround the Adriatic Sea. A moderate seismic activity, recorded around the Tremiti Island, and historical seismological data suggest that the whole of study area is, at present, seismically active. Therefore, this portion of the Adriatic block still represents a preferental site of deformation.
    Description: Published
    Description: 229-247
    Description: JCR Journal
    Description: open
    Keywords: southern Adriatic Sea ; foreland deformation ; 04. Solid Earth::04.07. Tectonophysics::04.07.07. Tectonics
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 4
    Publication Date: 2017-04-04
    Description: New seismological and structural data from the central Adriatic-Gargano promontory area demonstrate that the current models of an aseismic and slightly deformed Adriatic block have to be revised. A seismically active deformational belt is mapped along two main fault systems, the Tremiti Islands and Mattinata faults. Moreover, geologic and geophysical evidence suggests that a more extensive lithospheric boundary may cut across the central Italian peninsula to the Tyrrhenian basin.
    Description: Published
    Description: 109-117
    Description: JCR Journal
    Description: open
    Keywords: Adriatic Sea ; Geodynamics ; 04. Solid Earth::04.07. Tectonophysics::04.07.02. Geodynamics
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 5
    Publication Date: 2017-04-04
    Description: The fragmentation of the collisional border between the African and European plates has also originated the Apulian (Adriatic) microplate. Recent studies show the possibility of a non-unitary geodynamic evolution of this microplate: palaeomagnetic data from North-Western Greece and Southern Apulia indicate a different rotational behaviour. Between 41' and 43' latitude North, regional strike-slip fault systems cut crosswise the Adriatic basin, breaking the Adriatic block in at least two minor elements. The intense seismicity points out an active defonnational area. In the same region also other geophysical data identify a transitional zone.
    Description: Published
    Description: 71-80
    Description: open
    Keywords: Adriatic microplate ; seismotectonics ; 04. Solid Earth::04.07. Tectonophysics::04.07.02. Geodynamics
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 6
    Publication Date: 2017-04-04
    Description: La convergenza Africa-Eurasia, che ha dato origine alle catene montuose circum-mediterranee, ha provocato la frammentazione della zona di contatto tra le due placche in blocchi minori. Tra questi la microplacca adriatica ha giocato un ruolo determinante nell'evoluzione del Mediterraneo centrale e in particolare delle catene terziarie periadriatiche. I margini della microplacca sono stati definiti da diversi autori sulla base dell'attività sismica, con ipotesi anche recenti di un comportamento dinamico unitario del blocco adriatico, relativamente indeformato e asismico rispetto alle fasce orogeniche circostanti. Tale modello risulta tuttavia insufficiente a giustificare quanto emerge dall'analisi della sismicità recente dell'area: negli ultimi anni l'istituto Nazionale di Geofisica (ING) ha infatti notevolmente migliorato il sistema di acquisizione e di elaborazione dei dati sismici rilevati dalla Rete Sismica Nazionale Centralizzata (RSNC), che attualmente dispone di una copertura strumentale più omogenea del territorio. Ciò ha permesso di definire spazialmente con maggior precisione l'attività sismica italiana, compresa quella che ha interessato negli ultimi anni il bacino adriatico: dall'elaborazione dei nuovi dati si è infatti evidenziata una maggiore concentrazione degli ipocentri al di sotto del 43° parallelo, in una fascia a est del promontorio del Gargano. Questa zona ha un notevole significato geodinamico per la presenza di un'ampia fascia di deformazione, in corrispondenza dei due sistemi di faglie trascorrenti, noti in letteratura come faglie delle Tremiti e di Mattinata. Il verificarsi di terremoti con notevole rilascio di energia individua dunque un'importante zona sismogenetica nel basso Adriatico, finora poco studiato da questo punto di vista, che potrebbe modificare il quadro geodinamico del Mediterraneo centro-orientale. ENGLISH ABSTRACT: The convergence between the two plates Africa- Eurasia, which originated circum-Mediterranean mountain belts, determined the fragmentation of the collisional border in minor blocks. Among these the Adriatic microplate has played an important role in the evolution of the Centra1 Mediterranean region and, in particular, of the peri-Adriatic belts during Tertiary. The Adriatic microplate margins have been defined by severa1 authors on the basis of seismic activity, assuming also recently a unitary dynamical behaviour of the Adriatic block, considered relatively undeformed and aseismic compared with the peri- Adriatic belt. Nevertheless such a mode1 is inadeguate to justify the recent seismicity (1986-1990). During the last years the Istituto Nazionale di Geofisica (ING) has greatly improved the acquisition system and the elaboration of the seismic data, detected by the Telemetered National Seismic Network, providing a more homogeneous instrumental covering of territory. This fact has allowed a more precise spatial definition of the Italian seismic activity, including the one occurred in the last years within the Adriatic basin. In such a way a major hypocentral concentration has been possible to point out below 43' N latitude, on east of the Gargano headland. This area has a considerable geodynamical meaning due to a wide kinematic deformation belt, in coincidence of the two Tremiti and Mattinata regional strike-slip fault systems. The occurrence of strong earthquakes defines an important seismogenic structure in the Southern Adriatic, which would modify the geodynamical framework of the Central-Eastem Mediterranean.
    Description: Published
    Description: 233-241
    Description: open
    Keywords: microplacca Adriatica ; sismotettonica ; Adriatic microplate ; seismotectonics ; 04. Solid Earth::04.07. Tectonophysics::04.07.04. Plate boundaries, motion, and tectonics
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 7
    Publication Date: 2017-04-04
    Description: The Adriatic microplate is considered in literature as a block relatively undeformed and aseismic with unitary dynamical behaviour. Nevertheless suchmodel is inadequate to justify the recent seismicity of the Adriatic basin. Recent mesostructural analyses are showing a continuous strain boundary all around the Southern Adriatic platform. Several structures were recognized continuously outcropping from the Southern Dalmatian coastline (Kotor zone) to Split- Sibenik area and, across the Adriatic isles, until the Tremiti Islands and the Gargano-Murge regions. Data point out a centripetal trend of the Dinaric and Apenninic units, delimited to the north by ductile and brittle strain belts. These belts seem to set apart the southern block and to allow the release from the northern structures. The agreement between the geological-structural and seismological data allows to identify the Southern Adriatic block as an indipendent crustal structure, divided from the northern one by strike-slip faults. The Southern Adriatic block is able to condition the structural evolution of the neighbouring areas.
    Description: Published
    Description: Siena, Italia
    Description: open
    Keywords: Adriatic Sea ; seismotectonics ; 04. Solid Earth::04.07. Tectonophysics::04.07.07. Tectonics
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: Conference paper
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  • 8
    Publication Date: 2019-11-04
    Description: JCR Journal
    Description: open
    Keywords: Tremiti deformation belt ; tectonic inversion ; 04. Solid Earth::04.06. Seismology::04.06.06. Surveys, measurements, and monitoring
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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