Time-scaling properties of the Umbria-Marche 1997-1998 seismic crisis, investigated by the detrended fluctuation analysis of interevent time series

被引：25
|
作者：
Telesca, L [1 ]
Macchiato, M
机构：
[1] CNR, Inst Methodol Environm Anal, CNR, I-85050 Tito, PZ, Italy
[2] Univ Naples Federico II, Dipartimento Sci Fis, I-80126 Naples, Italy
来源：
CHAOS SOLITONS & FRACTALS | 2004年 / 19卷 / 02期
关键词：
D O I：
10.1016/S0960-0779(03)00050-X
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
The Umbria-Marche region (central Italy) is one of the most seismically active area of Italian Peninsula, and recently it was characterized by the intense earthquake (M = 5.9) occurred on September 26, 1997. We analyzed the time-scaling properties of the seismicity of the area during the 1997-1998 seismic crisis by means of the detrended fluctuation analysis, a method that permits the detection of long-range correlations in time series, possibly influenced by non-stationarities. Our results highlight a persistent feature of the earthquake sequence, that seem independent on the threshold magnitude. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：377 / 385
页数：9
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