A note on the L'Aquila earthquake of 6 April 2009: Permanent ground displacements obtained from strong-motion accelerograms

被引：10
|
作者：
Rupakhety, R. [1 ]
Sigbjornsson, R. [1 ,2 ]
机构：
[1] Univ Iceland, Earthquake Engn Res Ctr, IS-800 Selfoss, Iceland
[2] Norwegian Univ Sci & Technol, Dept Struct Engn, N-7491 Trondheim, Norway
来源：
SOIL DYNAMICS AND EARTHQUAKE ENGINEERING | 2010年 / 30卷 / 04期
关键词：
L'Aquila earthquake; Permanent ground displacement; Baseline correction; Long period motion; DIGITAL ACCELEROGRAPH; RECORDS; TAIWAN;
D O I：
10.1016/j.soildyn.2009.10.008
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
On 6 April 2009, 01:32 GMT, an M(w) 6.3 earthquake hit the Abruzzi region of central Italy causing widespread damage in the City of L'Aquila and its nearby villages. The mainshock of this earthquake was recorded by 57 digital strong-motion instruments, four of which are located on the hanging wall of the Paganica Fault near L'Aquila. These stations are no more than 6 km from the epicentre. We use accelerometric data from these four stations to estimate permanent ground displacements caused by the mainshock. Out, numerical results reveal south-east and downwards directed permanent co-seismic displacements which are in fair agreement with the Outcomes of GPS and InSAR measurements reported in preliminary Istituto Nazionale di Geofisica e Vulcanologia (INGV) reports. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：215 / 220
页数：6
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