Seismological and seismo-tectonical properties of the wider Zagreb area

Prikazani su učestalost i prostorna distribucija pojavljivanja potresa na širem zagrebačkom području. Uzimajući u obzir kompresiju u zoni Žumberačko-medvedničkog rasjeda, tektonske pomake dijelova Medvednice, amplitude pokreta i potrese koji su se dogodili, izdvojen je seizmotektonski najaktivniji prostor. Provedena analiza prostorne distribucije reziduala teorijski dobivenih i empirijskih intenziteta Zagrebačkog potresa iz 1880. potvrđuje veliki utjecaj lokalnih uvjeta tla.The frequency and territorial distribution of seismic activities in a wider Zagreb area are presented. The area most active from the seismo-tectonic standpoint was selected by taking into account compression in the Žumberak - Medvednica fault zone, tectonic movements in some parts of Medvednica, displacement amplitudes and past earthquakes. The analysis of territorial distribution of theoretical and empirical intensity residuals, the latter based on the earthquake that struck Zagreb in 1880, confirms that the influence of local soil conditions has been significant