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The structural fabric and seismotectonic activity of northern Velebit: some new observations


Prelogović, Eduard; Kuk, Vlado; Buljan, Renato
The structural fabric and seismotectonic activity of northern Velebit: some new observations // Rudarsko-geološko-naftni zbornik, 10 (1998), 39-42 (međunarodna recenzija, članak, znanstveni)


Naslov
The structural fabric and seismotectonic activity of northern Velebit: some new observations

Autori
Prelogović, Eduard ; Kuk, Vlado ; Buljan, Renato

Izvornik
Rudarsko-geološko-naftni zbornik (0353-4529) 10 (1998); 39-42

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Earthquakes; tectonic movements; stress; displacement; seismotectonically active zone

Sažetak
A permanent seismotectonic activity is present in the region of northern Velebit. Through history a number of earthquakes magnitudes of VIII and IX degrees MCS are reported. In this century the most powerful earthquake of a magnitude 5.8 occured in 1916. The key tectonic movements that cause this earthquakes are dislocations of the Adiatic platform towards the north and the resistance of the Dinarides towards these movements. The tectonic dynamics of a structural arrangement depend on the relationship between stress and the deformation of structural units. According to the tectonic measurements performed on outcrops of major faults the following orientation of stress was obtained ; from 20/25 to 200/205 in the northern Velebit region and 340 to 160 degrees in the hinterland. Within the structural arrangement compression of space occurs which is well pronounced in the Novi Vinodolski area. Possible deformation of structures is manifested in spatial diagonal reverse displacements accompanied by rotation of the structure. In the Velebit hinterland right horizontal tectonic transport was determined. In the zone of the transcurrent fault Žuta Lokva - Otočac - Bunić the spatial opening leads to the formation of pull-apart structures. Seismotectonically active zones occur in the contact region between the Adriatic platform and the Dinarides. Spatially its position is inclined and bent.

Izvorni jezik
Engleski

Znanstvena područja
Geologija



POVEZANOST RADA


Projekt / tema
195018

Ustanove
Rudarsko-geološko-naftni fakultet, Zagreb

Časopis indeksira:


  • Scopus


Uključenost u ostale bibliografske baze podataka:


  • GEOBASE
  • GEOREF
  • Geotechnical Abstracts
  • Engineering Info Inc.
  • Referativnij žurnal