The Durres area along the Albanian sector of the Adria-Eurasia collision was recently affected in 2019 by a seismic sequence with 6.4 as maximum magnitude. This active portion of the accretionary wedge belongs to the outer part of the western Balkan fold-and-thrust belt where the front is kinematically partitioned by the ENE-WSW Shkodra (to the North) and Lushnje (to the South) transfer faults (Fig. 1; Caputo and Pavlides, 2013). In this region the documented seismic activity (Baker et al., 1997; Louvari et al., 2001; Muҫo et al., 1994) is associated to either thrusts and backthrusts (Aliaj, 2006; Skrami et al., 2001; Velaj et al., 2001; Roure et al., 2004) so that the orientation of the causative source of the 26 November 2019 Durresi mainshock is somehow debated. In order to better characterize the seismogenic sources recognised within the area (Caputo and Pavlides, 2013; DISS Working Group, 2021), we systematically reviewed the seismotectonics of the region and produced a 3D rheological model of the broader crustal volume. The final target was to provide a better constraint for the seismogenic potential.
Rheological Modelling and seismotectonics of seismogenic sources in the Durres area (Albania)
Riccardo Caputo;russo D.;maggini M.
2023
Abstract
The Durres area along the Albanian sector of the Adria-Eurasia collision was recently affected in 2019 by a seismic sequence with 6.4 as maximum magnitude. This active portion of the accretionary wedge belongs to the outer part of the western Balkan fold-and-thrust belt where the front is kinematically partitioned by the ENE-WSW Shkodra (to the North) and Lushnje (to the South) transfer faults (Fig. 1; Caputo and Pavlides, 2013). In this region the documented seismic activity (Baker et al., 1997; Louvari et al., 2001; Muҫo et al., 1994) is associated to either thrusts and backthrusts (Aliaj, 2006; Skrami et al., 2001; Velaj et al., 2001; Roure et al., 2004) so that the orientation of the causative source of the 26 November 2019 Durresi mainshock is somehow debated. In order to better characterize the seismogenic sources recognised within the area (Caputo and Pavlides, 2013; DISS Working Group, 2021), we systematically reviewed the seismotectonics of the region and produced a 3D rheological model of the broader crustal volume. The final target was to provide a better constraint for the seismogenic potential.I documenti in SFERA sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
