Record details

Title
    Focal mechanisms of micro-earthquakes in the Dobrá Voda seismoactive area in the Malé Karpaty Mts. (Little Carpathians), Slovakia
Author
    Cipciar, A.
    Fojtíková, L.
    Madarás, J.
    Vavryčuk, Václav
Language
    anglicky
Publication type
    článek v odborném periodiku
Source title - serial
    Tectonophysics
Vol./nr.
    Roč. 492, č 1-4
Pages
    s. 213-229
Year
    2010
Notes
    Projekt: IAA300120801, GA AV ČR3cav_un_auth*0241180
    Rozsah: 17 s.
    Výzkumný záměr: CEZ:AV0Z30120515
Subject category
    earthquake
    focal mechanism
    moment tensor
    tectonic stress
Keyword
    Area
    Carpathians
    Dobrá
    Focal
    Karpaty
    Little
    Malé
    Mechanisms
    Micro-earthquakes
    Mts
    Seismoactive
    Slovakia
    Voda
Abstract (in english)
   We have analyzed 44 micro-earthquakes with magnitudes between 1.2 and 3.4, which occurred in the Dobrá Voda area, Slovakia, in the period 2001-2009. The epicentres of the micro-earthquakes form a cluster elongated in the ENE-WSW direction. This direction coincides with the orientation of the main fault systems in the area: Dobrá Voda and Brezová faults. The depths of the hypocentres vary from 1 km to 14 km. Three different methods were used to calculate the focal mechanisms: (a) a method using the polarities of Pg and Pn waves, (b) the P-wave amplitude inversion of moment tensors, and (c) the waveform inversion of moment tensors. The majority of the analyzed micro-earthquakes have a left-lateral strike-slip focal mechanism with weak normal or reverse components.
Contributor
    AV ČR Brno, Geofyzikální ústav
Contributor code
    AV ČR, GFÚ
Source format
    U
Import date
    9. 12. 2013