Natural time analysis of critical phenomena: The case of acoustic emissions in triaxially deformed Etna basalt

Filippos Vallianatos, George Michas, Phil Benson and Peter Sammonds

Physica A: Statistical Mechanics and its Applications, 2013, vol. 392, issue 20, 5172-5178

Abstract: Acoustic emissions exhibit complex correlations between space, time, and magnitude. As such, they present a unique example for a complex time series. We apply the recently introduced method of natural time analysis, which enables the detection of long-range temporal correlations even in the presence of heavy tails and find that the acoustic emissions exhibits features similar to that of other equilibrium or non-equilibrium critical systems such as worldwide seismicity as presented in the Centennial earthquake catalogue which includes global seismicity events with magnitude Mw>7.0. These results support the universal behaviour of the fracturing processes from the laboratory to the global scale.

Keywords: Natural time analysis; Acoustic emissions; Seismicity; Fracture (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (6)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:392:y:2013:i:20:p:5172-5178

DOI: 10.1016/j.physa.2013.06.051

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