Robust satellite techniques (RST) for the thermal monitoring of earthquake prone areas: the case of Umbria-Marche October, 1997 seismic events (Articolo in rivista)

Type
Label
  • Robust satellite techniques (RST) for the thermal monitoring of earthquake prone areas: the case of Umbria-Marche October, 1997 seismic events (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Alternative label
  • Aliano C; Corrado R; Filizzola C; Pergola N; Tramutoli V (2008)
    Robust satellite techniques (RST) for the thermal monitoring of earthquake prone areas: the case of Umbria-Marche October, 1997 seismic events
    in Annals of geophysics (Testo stamp.)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Aliano C; Corrado R; Filizzola C; Pergola N; Tramutoli V (literal)
Pagina inizio
  • 451 (literal)
Pagina fine
  • 459 (literal)
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  • 51 (literal)
Rivista
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  • 9 (literal)
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  • 2-3 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
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  • Università della Basilicata. Dipartimento di Ingegneria e Fisica dell'Ambiente (literal)
Titolo
  • Robust satellite techniques (RST) for the thermal monitoring of earthquake prone areas: the case of Umbria-Marche October, 1997 seismic events (literal)
Abstract
  • Several authors claim a space-time correlation between increases in Earth's emitted Thermal Infra-Red (TIR) radiation and earthquake occurrence. The main problems Of such Studies regard data analysis and interpretation, which are often done without a validation/confutation control. In this context, a robust data analysis technique (RST, i.e. Robust Satellite Techniques) is proposed which permits a statistically based definition of TIR \"anomaly\" and uses a validation/confutation approach. This technique was already applied to satellite TIR surveys in seismic regions for about twenty earthquakes that occurred in the world. In this work RST is applied for the first time to a time sequence of seismic events. Nine years of Meteosat TIR observations have been analyzed to characterize the unperturbed TIR signal behaviour at specific observation times and locations. The main seismic events of the October 1997 Umbria-Marche sequence have been considered for validation, and relatively unperturbed periods (no earthquakes with Mb >= 4) were taken for confutation purposes. Positive time-space persistent TIR anomalies were observed during seismic periods, generally overlapping the principal tectonic lineaments of the region and sometimes focusing on the vicinity of the epicentre. No similar (in terms of relative intensity and space-time persistence) TIR anomalies were detected during seismically unperturbed periods. (literal)
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