Multifractal Fluctuations in Seismic Interspike Series
Luciano Telesca, Vincenzo Lapenna, Maria Macchiato
TL;DR
This study applies multifractal analysis to seismic interspike intervals in Italy, revealing a decrease in multifractality during aftershocks, offering a new perspective on earthquake dynamics.
Contribution
It introduces the use of Multifractal Detrended Fluctuation Analysis to study seismicity, highlighting changes in multifractality during aftershock sequences.
Findings
Loss of multifractality during aftershocks
Multifractal analysis reveals complex earthquake dynamics
Provides a new approach to seismic data analysis
Abstract
Multifractal fluctuations in the time dynamics of seismicity data have been analyzed. We investigated the interspike intervals (times between successive earthquakes) of one of the most seismically active areas of central Italy by using the Multifractal Detrended Fluctuation Analysis (MF-DFA). Analyzing the time evolution of the multifractality degree of the series, a loss of multifractality during the aftershocks is revealed. This study aims to suggest another approach to investigate the complex dynamics of earthquakes.
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