The complex investigations of Bulgaria characterises with a proper geodynamic activity of. recent Earth's crust vertical and horizontal movements (by using up-to-date geodetic and semigeodetic methods, including GPS technique), seismotectonic conditions, tectonic stresses in the region and their analysis, and interpretation. Movements with normal and strike-slip fault character, signi6cant movements of small Earth's crust blocks and local variations, and deformations of the recent tectonic 6eld of stresses are found out. The regional trends of tectonic stresses show that the recent active faults are distributors and concentrators of tectonic stresses. An expression of that process are the differential block movements and a high earthquake activit)r in the region.
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