Multi-scale cross-correlation analysis of temporal and spatial seismic data

Min Lin (), Jiaxin Qin and Gang Wang
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Min Lin: School of Mathematical Sciences, Ocean University of China
Jiaxin Qin: School of Mathematical Sciences, Ocean University of China
Gang Wang: The First Institute of Oceanography, Key Laboratory of Marine Science and Numerical Modeling (MASNUM), State Oceanic Administration

The European Physical Journal B: Condensed Matter and Complex Systems, 2020, vol. 93, issue 3, 1-7

Abstract: Abstract We investigate the cross-correlation relationships between temporal and spatial seismic data by employing detrended cross-correlation analysis (DCCA) and temporal evolution of detrended cross-correlation analysis (TDCCA). The mentioned data are the series of inter-earthquakes times (IET) and inter-earthquakes distances (IED) between consecutive earthquakes in California and Sumatra regions from 1990 to 2013. Through cross-correlation test, we find long-range cross-correlation between IET and IED. We find the DCCA cross-correlation coefficient ρDCCA between them is significantly positive with the change of scale. The TDCCA between two series demonstrates cross-correlations on different window size scales over time. Strong cross-correlation levels between IET and IED on different window sizes are observed for the time periods after the big earthquakes occurred, while there are weak or no cross-correlation before and after the periods. Graphical abstract

Keywords: Statistical; and; Nonlinear; Physics (search for similar items in EconPapers)
Date: 2020
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DOI: 10.1140/epjb/e2020-100536-5

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