Abstract: The characteristics of background seismic noise in north central Italy have been investigated by means of velocity power spectral analysis within the frequency range 0.1–15 Hz. The method proposed by McNamara and Buland (2004) has been applied to estimate the probability density function (PDF) of power spectra computed for ten different stations. Since the target region is the most industrialized area of Italy, a large variability among the power spectra for different sites is observed in the frequency range 1–15 Hz, with the noise levels a...
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Topics: 
Seismology
Climatology