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Authors: Tramutoli, V.*
Di Bello, G.*
Pergola, N.*
Piscitelli, S.*
Title: Robust satellite techniques for remote sensing of seismically active areas
Issue Date: Apr-2001
Series/Report no.: 44/2
Keywords: Earthquake
satellite remote sensing
thermal IR anomaly
robust satellite techniques
seismogenic areas monitoring
Abstract: Several satellite techniques have been recently proposed to remotely map seismically active zones and to monitor geophysical phenomena possibly associated with earthquakes. Even if questionable in terms of their effective applicability, all these techniques highlight as the major problem, still to be overcome, the high number of natural factors (independent of any seismic activity) whose variable contributions to the investigated signal can be so high as to completely mask (or simulate) the space-time anomaly possibly associated to the seismic event under study. A robust approach (RAT) has recently been proposed (and successfully applied in the field of the monitoring of the major environmental risks) which, better than other methods, seems suitable for recognising space-time anomalies in the satellite observational field also in the presence of highly variable contributions from atmospheric (transmittance), surface (emissivity and morphology) and observational (time/season, but also solar and satellite zenithal angles) conditions.This work presents the first preliminary results, based on several years of NOAA/AVHRR observations, regarding its extension to satellite monitoring of thermal anomalies possibly associated to seismically active areas of Southern Italy. The main merits of this approach are its robustness against the possibility of false events detection (specially important for this kind of applications) as well as its intrinsic exportability not only to different geographic areas but also to different satellite instrumental packages.
Appears in Collections:04.02.05. Downhole, radioactivity, remote sensing, and other methods
04.06.06. Surveys, measurements, and monitoring
Annals of Geophysics

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