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

被引：2
|
作者：
Lin, Min [1 ]
Qin, Jiaxin [1 ]
Wang, Gang [2 ,3 ,4 ]
机构：
[1] Ocean Univ China, Sch Math Sci, Qingdao 266100, Peoples R China
[2] State Ocean Adm, Inst Oceanog 1, Key Lab Marine Sci & Numer Modeling MASNUM, Qingdao 266061, Peoples R China
[3] Qingdao Natl Lab Marine Sci & Technol, Lab Reg Oceanog & Numer Modeling, Qingdao 266237, Peoples R China
[4] Minist Nat Resources, Natl Engn Lab Integrated Aerospace Ground Ocean B, Inst Oceanog 1, Qingdao 266061, Peoples R China
来源：
EUROPEAN PHYSICAL JOURNAL B | 2020年 / 93卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Statistical and Nonlinear Physics; DETRENDED FLUCTUATION ANALYSIS; LONG-RANGE CORRELATIONS; SCALING PROPERTIES; EARTHQUAKES;
D O I：
10.1140/epjb/e2020-100536-5
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
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 rho(DCCA) 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.
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页数：7
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