Slide 1

Nataa KaludjeroviHydrometeorological and Seismological Service of Montenegro, Sector for Seismology

Focal Mechanisms and Tectonic Stress in Montenegro

Seismotectonic characteristics

F. Riguzzi, 2008.

Dominant tectonic faults and earthquake epicenters - Southern Adriatic and Southern Dinarides (Glavatovic, 2010.)

Durmitor zoneHigh karst zoneParaautohtonBudva-Cukali zoneTectonic and metalogenic reonization

Analysis Software for Seismic Data ProcessingDeveloped by Prof. Glavatovi, 2005.Determination of Single focal mechanisms (FMS) First-motion of P wavesWorld Stress Map Project

P and S wave radiation patterns of a double couple sourceFocal sphere of an earthquake source. Shown is a ray path with azimuth and angle of emergence i0Elements of a fault plane solution

FPS Software M. Herak, S. Markui, D. HerakUniversity of Zagreb, Faculty of Science, Department of GeophysicsTo plot FPS on map - using the CATALOG Matlab tools

Columns:OK (1 or 0)YearMonthDayHourMinuteSecondLatitude (N)Longitude (E)Depth (km)MagnitudeM1M2Io (MCS)Conf. of epicentre (km)No. of phases for locationRef. for locationFPS Quality (0, 1-5)Ref. of FPSStrikeDip Rake

Format of FPS fileThe FPS Catalog

Plotting FPS in a map

Legend:Thrust faultNormal faultStrike-slipeor uknown fault April 15, 1979 M=7.050 representative focal mechanism solutions for earthquakes 1973.-2012. M3.5FPS Database:342 solutions 1973.-2012.105 best-fitting FPSReviewed ISC BulletinsFPS-105TF-72NF-22SS-3NS-3TS-5Database includes data: The Global CMT Catalog, ISC, MEDNET-RMT, Saint Louis University-SLU,SED-RMT-Swiss and European earthquakes

Montenegro-1979. FPS

Montenegro-TS FPS

Montenegro Normal FPS

Montenegro-NS FPS

Montenegro-SS FPS

Tectonic stress regime- World Stress Map Rel. 2008 (Helmholz Centre Potsdam)

Tectonic regime assignement (Zoback, 1992.)Schematic illustration of the five general tectonic regimes and the according orientations of the principle stress axes (after Anderson, 1951. and Zoback, 1992.)

Montenegro FPS data

Rose diagrams - P and T axis, composite solution

MSOGPS campaign 2008.-2011. using the Bernese GPS Software 5.0 (Astronomical Institute of the University of Bern-AIUB)

The current kinematics is also controlled by the Adriatic plateN. DAgostino, 2010.

MSOGPS campaign 2008.-2011.