Neotectonic and seismotectonic features of the Pelagonian, Kicevo and Porec depressions and the surrounding block structures

The paper presents the lithostratigraphic, neotectonic and seismotectonic characteristics of the Pelagonian, Poreč and Kičevo depressions and the surrounding horsts. The area under consideration belongs to two geotectonic regions - the Pelagonian massif and the Western Macedonian zone which have had a complex multiphase geotectonic evolution. During the Neotectonic stage, owing to the intense tectonic development, morphostructures of uplift (blockhorsts) and subsidence (depressions-grabens) were formed along reactivated older and newly-developed neotectonic fault structures. The neotectonic fault structures are of various degree of seismic activity. The analysis of data from earthquakes makes possible to distinguish two seismic zones – Kičevo and Bitola, – in which earthquakes with a magnitude of up to 5.5 could be anticipated.