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Pannonian Basin is a continental back-arc basin. Paleomagnetics defined three terranes: ALCAPA, Tisza-Dacia and Dinarides, rotated counterclockwise, clockwise and CCW in Early and Middle Miocene. Timing and amount of rotations suggest the terranes experienced also internal differential rotations. Metamorphic core complexes occur along the margins and an internal part of the Pannonian Basin. MCCs display extension parallel, then perpendicular to the margins. Low temperature thermochronology defined that syn-rift exhumation occurred around 18-16 Ma, coeval with map-view rotations. Microtectonic measurements evidenced superimposed fault patterns. When combined with paleomagnetics, these patterns simplify to N-S compression throughout Late Paleogene-Middle Miocene. Complications result from rotating blocks deforming under this external stress field. Interpretation of seismic reflection data suggest that syn-rift phase was characterised by two perpendicular extensions. When rotations considered, these resolve in E-W stretching. Strike-slip faulting during Late Miocene accommodated differential movement of terranes pulled eastwards by slab roll-back along the Carpathians. Several inversions affect Late Miocene-Recent sediments. These are most intense and earliest in the SW Pannonian basin, but also propagate into the internal parts. Rotational indentation of Adria into the Southern Alps-Western Dinarides is the main cause for inversion. Neotectonics reflects this inversion, that is enhanced by eastwards escaping Eastern Alps.
Csontos et al. (Fri,) studied this question.