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Refining locations of the 2005–2006 recurrent earthquakes in Mukacheve, West Ukraine, and implications for their source mechanism and the local tectonics

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Identyfikatory
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Three groups of recurrent events have been identified within the 2005-2006 Mukacheve series of about forty M SH 0.3-1.8 near-surface earthquakes. After a cross-correlation analysis of their waveforms and subsequent relocation with application of the adjusted arrivals and station terms it turned out that they most likely belong to at least two distinct crustal layers separated by an interface at about 4 km; the seismic activation started deeper and progressed upwards. As concerns polarities of first arrivals, the same source mechanism was inferred within individual groups, indicating a normal faulting along the Az ≈ 120° with a slight component of right lateral slip; this finding is consistent with data available on some other local sources, as well as with an ambient field of extensional stresses in the local crust and a significant horizontal gradient of vertical movements across the epicenter area of the Mukacheve series.
Czasopismo
Rocznik
Strony
587--603
Opis fizyczny
Bibliogr. 23 poz.
Twórcy
autor
  • Carpathian Branch of Subbotin Institute of Geophysics, National Academy of Sciences of Ukraine, Lviv, Ukraine, gnyp@cb-igph.lviv.ua
Bibliografia
  • Aranovich, Z.I., V.A. Tokmakov, and N.L. Trapeznikov (1996), Wide-band medium-period velocimeters on the basis of seismometer CM3-KB with a feedback, Seismic Instruments 25-26, 111–118, Moscow (in Russian).
  • Chekunov, A.V. (ed.) (1994), Lithosphere of the Central and Eastern Europe: Young Platforms and the Alpine Folded Belt, Naukova Dumka, Kyiv (in Russian).
  • Davis, J.C. (1986), Statistics and Data Analysis in Geology, John Wiley & Sons Inc., 2nd ed., 383 pp.
  • Glushko, V.V., and S.S. Kruglov (eds.) (1986), Tectonic map of the Carpathian region, 1:200.000, UkrNIGRI Mingeo Kyiv (in Russian).
  • Gnyp, A. (2009), Refining locations of the 2005 Mukacheve, West Ukraine, earthquakes based on similarity of their waveforms, Acta Geophys. 57, 2, 330–345, DOI: 10.2478/s11600-008-0071-5.
  • Hofstein, I.D., V.I. Somov, and V.G. Kuznetsova (1971), Study of Recent Movements of the Earth’s Crust in the Carpathians, Naukova Dumka, Kyiv, 128 pp. (in Ukrainian).
  • Joó, I. (ed.) (1985), Map of recent vertical crustal movements in the Carpatho-Balkan region, 1:1.000.000, National Office of Lands and Mapping, Cartographia, Budapest.
  • Kasahara, K. (1981), Earthquake Mechanics, Cambridge University Press, Cambridge, 248 pp.
  • Khomenko, V.I. (1971), Deep Structure of the Transcarpathian Depression, Naukova Dumka, Kyiv, 230 pp. (in Ukrainian).
  • Khomenko, V.I. (1987), Deep Structure of the South-West Edge of the East-European platform, Naukova Dumka, Kyiv, 140 pp. (in Russian).
  • Kutas, V.V., I.M. Rudenska, and I.A. Kalitova (1999), Carpathian hodograph of Pand S-waves and lithospheric inhomogeneities, Geophys. J. 21, 3, 45-55 (in Russian, the abstract in English at: http://www.igph.kiev.ua/gj1999.html).
  • Kutas, V.V., G.M. Drogitskaya, and I.N. Korchagin (2003), The nature of the threedimensional waves which are registered during crustal earthquakes and industrial explosions in Transcarpathians, Geophys. J. 25, 6, 3-14 (in Russian, the abstract in English at: http://www.igph.kiev.ua/gj2003.html).
  • Kuznetsova, V.G., and E.M. Yevseeva (2005), Study of secular non-tidal changes in the gravitational field and the isostasy. In: V.I. Starostenko (ed.), Studies on Recent Geodynamics of the Ukrainian Carpathians, Naukova Dumka, Kyiv, 140-147 (in Ukrainian).
  • Ostrovsky, A.L., F.D. Zablotsky, O.V. Serant, O.M. Smirnova, and K.R. Tretyak (2005), Results of determining of the spatial movements and the deformations of the Earth’s surface at the Carpathian geodynamic test site using the data of GPS measurements. In: V.I. Starostenko (ed.), Studies on Recent Geodynamics of the Ukrainian Carpathians, 63-68, Naukova Dumka, Kyiv (in Ukrainian).
  • Pustovitenko, B.G. (ed.) (2007), Seismological Bulletin of Ukraine, 2005, Institute of Geophysics, Natl. Acad. Sci. Ukraine, Simferopol (in Russian).
  • Pustovitenko, B.G. (ed.) (2008), Seismological Bulletin of Ukraine, 2006, Institute of Geophysics, Natl. Acad. Sci. Ukraine, Simferopol (in Russian).
  • Pustovitenko, B.G., and S.A. Kapitanova (1996), New characteristics of the Skurce parameters of the Transcarpathians’ earthquakes. In: B.G. Pustovitenko (ed.), Seismological Bulletin of Ukraine, 1994, Institute of Geophysics, Natl. Acad. Sci. Ukraine, Simferopol, 62-67 (in Russian).
  • Pustovitenko, B.G., T.G. Rautian, and V.A. Svidlova (1983), Estimation of the earthquake magnitudes and energy classes using observations in the Crimea region. In: B.G. Pustovitenko (ed.), Seismological Bulletin of the West Territorial Zone of the Integrated System of Seismic Observations of the USSR. Crimea-Carpathians, 1978-1979, Naukova Dumka, Kyiv, 126-138 (in Russian).
  • Shearer, P.M. (1997), Improving local earthquake locations using L1 norm and waveform cross correlation: Application to the Whittier Narrows, California, aftershock sequence, J. Geophys. Res. 102, B4, 8269-8283.
  • Sollogub, V.B., A. Guterch, and D. Prosen (eds.) (1980), Structure of the Earth’s Crust in Central and Eastern Europe from Data of Geophysical Investigations, Naukova Dumka, Kyiv (in Russian).
  • Somov, V.I. (1984), Geodynamic characteristics of the Earth’s crust in the Eastern Europe by the case of the Geotraverse V. In: A.V. Chekunov (ed.), Development of Seismoprognostic Studies in Ukraine, Naukova Dumka, Kyiv, 57-67 (in Russian).
  • Somov, V.I. (1990), A present day direction in the development of tectonic structures of the Carpathian-Balkan region, Geophys. J. 12, 39-47 (in Russian).
  • Tretyak, K., and O. Smirnova (1998), Velocity maps of modern vertical deformations of the Earth surface of the Ukraine mountain system, Reports on Geodesy, Warsaw University of Techn., Institute of Geodesy and Geodetic Astronomy, 3, 147-150.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BSL1-0009-0009
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