Physics
Scientific paper
Mar 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998pepi..106..115t&link_type=abstract
Physics of the Earth and Planetary Interiors, Volume 106, Issue 1-2, p. 115-127.
Physics
Scientific paper
Recently, it has been determined that many statistical features of earthquakes are scale-invariant with universal values for exponents. The analysis of scaling laws has led to the development of a wide variety of physical models of seismogenesis, involving nonlinear dynamics, and it can be used to better characterize the seismicity pattern. In this work, the presence of scale-invariance properties in the seismicity of a selected area of the Southern Appennine chain is revealed. 1/fβ fluctuations are detected from the analysis of earthquake sequences using the counting statistics and, at the spatial scale, a self-similar structure in the epicentre aggregate is determined by the estimation of its fractal dimension. Finally, correlations between temporal β-exponent, fractal dimension and b-value variations are described.
Lapenna Vincenzo
Macchiato Maria
Telesca Luciano
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