GPS constraints on current tectonics of Albania

Jouanne, François; Mugnier, Jean‐Louis; Koçi, Rexhep; Bushati, S.; Matev, K.; Kuka, Neki; Shinko, Ilir; Kociu, Siasi; Duni, Llambro

doi:10.1016/j.tecto.2012.06.008

Cited by 45 publications

(53 citation statements)

References 44 publications

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“…Residuals between our data set and the velocities from Jouanne et al [] and Nocquet [] once rotated in our reference frame are lower than 0.6 mm/yr on each component (see Table S1). The final velocity field presented in Figures , and shows velocities both from campaign surveys [ Jouanne et al , ] and permanent stations, and it captures the overall consistent deformation pattern of the region. Some regions are relatively undersampled (i.e., Croatia and Bosnia), but our velocity field is sufficiently dense in Slovenia, Serbia, and Austria (SIGNAL, AGROS, and APOS networks, respectively, see additional supporting information) to display the main deformational features.…”

Section: Gps Data and Processingmentioning

confidence: 81%

“…We combine our new velocity field with previously published interseismic velocities in areas where our data is sparse, i.e., in Albania [ Jouanne et al , ], in Macedonia [ Matev , ], in the Aegean domain, and along the Adriatic‐Dinaric coast [ Nocquet , ] after a rotation in our Eurasia‐fixed reference frame. Residuals between our data set and the velocities from Jouanne et al [] and Nocquet [] once rotated in our reference frame are lower than 0.6 mm/yr on each component (see Table S1). The final velocity field presented in Figures , and shows velocities both from campaign surveys [ Jouanne et al , ] and permanent stations, and it captures the overall consistent deformation pattern of the region.…”

Section: Gps Data and Processingmentioning

confidence: 99%

“…Velocity of the Italian and Balkan Peninsulas in our new Eurasia‐fixed reference frame. Yellow arrows: new velocities processed in this study together with their 80% confidence ellipses; pink, white, and blue arrows: velocities from Jouanne et al [], Matev [], and Nocquet [], respectively, rotated in our reference frame; green arrows: few of the many velocities available in highly deforming Greece and Turkey (see additional supporting information for the full data set used here) plotted with a different scale. Uncertainties are not plotted for clarity purpose.…”

Section: Introductionmentioning

confidence: 99%

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Insights on continental collisional processes from GPS data: Dynamics of the peri‐Adriatic belts

et al. 2015

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We present a new GPS velocity field covering the peri‐Adriatic tectonically active belts and the entire Balkan Peninsula. From the velocities, we calculate consistent strain rate and interpolated velocity fields. Significant features of the crustal deformation include (1) the eastward motion of the northern part of the Eastern Alps together with part the Alpine foreland and Bohemian Massif toward the Pannonian Basin, (2) shortening across the Dinarides, (3) a clockwise rotation of the Albanides‐Hellenides, and (4) a southward motion south of 44°N of the inner Balkan lithosphere between the rigid Apulia and Black Sea, toward the Aegean domain. Using this new velocity field, we derive the strain rate tensor to analyze the regional style of the deformation. Then, we devise a simple test based on the momentum balance equation, to investigate the role of horizontal gradients of gravitational potential energy in driving the deformation in the peri‐Adriatic tectonically active mountain belts: the Eastern Alps, the Dinarides, the Albanides, and the Apennines. We show that the strain rate fields observed in the Apennines and Albanides are consistent with a fluid, with viscosity η ∼ 3×1021 Pa s, deforming in response to horizontal gradients of gravitational potential energy. Conversely, both the Dinarides and Eastern Alps are probably deforming in response to the North and North‐East oriented motion of the Adria‐Apulia indenter, respectively, and as a consequence of horizontal lithospheric heterogeneity.

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Section: Gps Data and Processingmentioning

confidence: 81%

Section: Gps Data and Processingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Insights on continental collisional processes from GPS data: Dynamics of the peri‐Adriatic belts

et al. 2015

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“…Previous kinematic and geodynamic works have focused either on Central or Eastern Mediterranean, and little effort has been made to produce a self‐consistent kinematic solution that simultaneously fits Calabria and Hellenic geodetic data as well as onshore and offshore constraints. Deformation in the Balkans [ Burchfiel et al , 2006; Kotzev et al , 2006], emphasized by recent GPS studies [ Jouanne et al , 2012; K. Matev et al, Horizontal movements and strain rates obtained from GPS observations for the period 1996–2008 in southwest Bulgaria and northern Greece, manuscript in preparation, 2012] (Figure 2), has not always been considered, while fragmentation of the Nubian plate [ D'Agostino et al , 2008] is generally neglected.…”

Section: Introductionmentioning

confidence: 99%

Bridging onshore and offshore present‐day kinematics of central and eastern Mediterranean: Implications for crustal dynamics and mantle flow

Pérouse

Chamot‐Rooke

Rabaute

et al. 2012

Geochem Geophys Geosyst

108

104

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[1] We present a new kinematic and strain model of an area encompassing the Calabrian and Hellenic subduction zones, western Anatolia and the Balkans. Using Haines and Holt's (1993) method, we derive continuous velocity and strain rate fields by interpolating geodetic velocities, including recent GPS data in the Balkans. Relative motion between stable Eurasia and the western Aegean Sea is gradually accommodated by distributed N-S extension from Southern Balkans to the Eastern Corinth Gulf, so that the westward propagation of the North Anatolian Fault (NAF) throughout continental Greece or Peloponnesus is not required. We thus propose that the NAF terminates in north Aegean and that N-S extension localized in the Corinth Gulf and distributed in Southern Balkans is due to the retreat of the Hellenic slab. The motion of the Hyblean plateau, Apulia Peninsula, south Adriatic Sea, Ionian Basin and Sirte plain can be minimized by a single rigid rotation around a pole located in the Sirte plain, compatible with the opening the Pelagian rifts (2-2.5 mm/yr) and seismotectonics in Libya. We interpret the trenchward ultraslow motion of the Calabrian arc (2-2.5 mm/yr) as pure collapse, the Calabrian subduction being now inactive. In the absolute plate motion reference frame, our modeled velocity field depicts two toroïdal crustal patterns located at both ends of the Hellenic subduction zone, clockwise in NW Greece and counter-clockwise in western Anatolia. We suggest the NW Greece toroïdal pattern is the surface expression of a slab tear and consequent toroïdal asthenospheric flow.

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“…In fact, the intense present-day seismic activity recorded both in onshore and offshore (Aliaj et al, , 2004Nieuwland et al, 2001;Sulstarova, Aliaj, 2001;Kiratzi, Muço, 2004;Vannucci et al, 2004) and the GPS data (Hollenstein et al, 2003;Jouanne et al, 2012) indicate that the Albanides are currently deforming. This tectonic activity controlled the recent evolution of the landscape generating morphological features, as in the case of the study area, that can be identified by satellite methods.…”

Section: Geological Settingmentioning

confidence: 99%

Daljinska istraživanja kao preliminarna metoda za otkrivanje aktivnih tektonskih struktura: primjer albanskog orogena

2013

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Tradicionalne izravne geološke i geofizičke metode istraživanja koje se koriste za prepoznavanje geoloških obilježja su vrlo skupe i dugotrajne. U tom smislu metode daljinskh istraživanja za analizu multispektralnih satelitskih snimaka i snimaka srednje rezolucije omogućuju kvalitetniji pristup s obzirom na specifične geološke metode. U skladu s tim moguće je napraviti preliminarnu analizu površine tla putem poluautomatske analize satelitskih snimaka. Ovakva analiza omogućuje snižavanje troškova na način da se geološke/geofizičke metode istraživanja koriste naknadno, i to u onim područjima za koje se ovakvom analizom (korištenjem daljinskih snimaka) utvrdi postojanje određene tektonske aktivnosti.U ovom radu analizira se satelitska snimka ASTER (i na temelju nje napravljen digitalni model reljefa – DMR) kako bi se uputilo na eventualnu prisutnost aktivnih geoloških struktura (rasjeda). Ovim istraživanjem obuhvaćeno je područje zapadne i središnje Albanije. Radi utvrđivanja pouzdanosti navedene metode rezultati analize snimaka dobivenih daljinskim istraživanjem su uspoređeni s postojećim podacima za isto područje dobivenima satelitskim snimanjem. Postojeći, istraživanjima potvrđeni podaci preuzeti su iz objavljene literature.

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GPS constraints on current tectonics of Albania

Cited by 45 publications

References 44 publications

Insights on continental collisional processes from GPS data: Dynamics of the peri‐Adriatic belts

Insights on continental collisional processes from GPS data: Dynamics of the peri‐Adriatic belts

Bridging onshore and offshore present‐day kinematics of central and eastern Mediterranean: Implications for crustal dynamics and mantle flow

Daljinska istraživanja kao preliminarna metoda za otkrivanje aktivnih tektonskih struktura: primjer albanskog orogena

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