Neotectonics of the Somogy hills (Part II): Evidence from seismic sections

Two types of deformational pattern may explain the structural and topographic features. A NW-SE shortening creates right-lateral slip along E-W faults, and overthrusts on NE-SW striking ones. Another, NNE-SSW shortening creates thrusting and uplift along E-W striking faults and transtensive left-lateral slip along NE-SW striking ones. Traces of both deformation patterns can be found in Quaternary exposures and they seem to be consistent with the present day stress orientations of the Pannonian Basin, too. The alternation of stress fields and multiple reactivation of the older fault sets is thought to be caused by the northwards translation and counter-clockwise rotation of Adria and the continental extrusion generated by this convergence.