Seismic anisotropy to investigate lithospheric-scale tectonic structures and mantle dynamics in southern Italy.

ABSTRACT: Subduction zones may be characterised by deep-seated tectonic structures whose effects propagate to the upper plate through faulting and magmatism. The overall geodynamic framework, as well as the roots of the many active faults affecting such regions, can be investigated by the study of the upper mantle anisotropic patterns, through the analysis of core-transiting teleseismic phases. Here, we discuss the results of XKS waves splitting observed in the central Mediterranean, particularly in southern Italy, which is characterised by the Adriatic-Ionian subduction system. Azimuths of polarisation of the fast wave (fast directions) were found to be generally trench-parallel, as an effect of the subducting slab, albeit a change to a perpendicular direction, in central Italy and Sicily, suggests

SUBMITTER: Scarfi L 

PROVIDER: S-EPMC10684859 | biostudies-literature | 2023 Nov

REPOSITORIES: biostudies-literature