DBPapers
DOI: 10.5593/sgem2011/s06.105

CORRELATION BETWEEN THE EARTHS CRUST STRUCTURE AND SEISMICITY

AUTHOR/S: B. DONEVA, T. DELIPETROV, L. RISTOVSKI, R. KARANAKOVA STEFANOVSKA
Monday 1 August 2011 by Libadmin2011

11th International Multidisciplinary Scientific GeoConference SGEM2011, www.sgem.org, SGEM2011 Conference Proceedings/ ISSN 1314-2704, June 20-25, 2011, Vol. 2, 33-38 pp

ABSTRACT

Territory of the Republic of Macedonia, as a part of Balkan region is characterized with
a high seismic activity. Current seismic activity indicates that the tectonic processes are
very intensive. Epicenters are not equally distributed in the region and are grouped in
three different zones: 1) Drim zone, 2) Vardar and 3) Struma zone. First zone is situated
on the west, on the Albania border, i.e. with profound fault in the border section of the
Western Macedonian zone with the Merdita zone in Albania, known as Drim - Graben
zone. In the Western Macedonian zone, seismicity is connected with destructive
processes that formed small depressions (Kicevo depression etc.). Pelagonian massif is
without a recent seismicity and presented seismogenic layer is optional. Territory of the
Vardar zone, from seismic point of view is the most seismic part of the territory of the
Republic of Macedonia. In Serbian - Macedonian mass, seismic activity is much lower
than in the Vardar zone and it is related to activity of the transversal tectonic structures
(superposed ridges and theirs margin faults) and doesn’t have influence on the inner
structure of the Earth’s crust. The contact of the Serbian - Macedonian mass with the
Kraishtide zone is a profound fault with high activity and manifestation of very strong
earthquakes.

Keywords: correlation, Earth’s crust, seismicity