Analysis of temporal variation of earthquake occurrences in Caucasus from 1960 to 2011 (Articolo in rivista)

Type
Label
  • Analysis of temporal variation of earthquake occurrences in Caucasus from 1960 to 2011 (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.tecto.2013.07.033 (literal)
Alternative label
  • Matcharashvili, T.ac , Telesca, L.b, Chelidze, T.a, Javakhishvili, Z.c, Zhukova, N.a (2013)
    Analysis of temporal variation of earthquake occurrences in Caucasus from 1960 to 2011
    in Tectonophysics (Amst. Online); Elsevier, Amsterdam (Paesi Bassi)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Matcharashvili, T.ac , Telesca, L.b, Chelidze, T.a, Javakhishvili, Z.c, Zhukova, N.a (literal)
Pagina inizio
  • 857 (literal)
Pagina fine
  • 865 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.sciencedirect.com/science/article/pii/S0040195113004745 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 608 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 9 (literal)
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • a M. Nodia Institute of Geophysics, Tbilisi, 0171, Georgia b Consiglio Nazionale delle Ricerche, Istituto di Metodologie per l'Analisi Ambientale, C.da S.Loja, 85050 Tito (PZ), Italy c Ilia State University, Tbilisi, 0162, Georgia (literal)
Titolo
  • Analysis of temporal variation of earthquake occurrences in Caucasus from 1960 to 2011 (literal)
Abstract
  • Frequency of earthquake occurrences in Caucasus is investigated on hourly and daily time scales. The observation period is 51. years, which is sufficiently long to perform a reliable statistics. Several methods (power spectrum, wavelet and Hilbert-Huang transformation) are applied to earthquake time series. Our findings show that earthquakes hourly and daily occurrence is not characterized by the dominant frequencies. However, many different oscillations with periods from hours to years and longer contribute to the frequency content of the earthquake time distribution, although their amplitude is rather low. The variation of the power of cyclic components in the temporal features of earthquakes occurrence is not uniform, but their amplification corresponds to the decrease of released local seismic energy. (literal)
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