Spatial Correlation of Ground Motions from Vrancea (Romania) Intermediate-Depth Earthquakes

被引：14
|
作者：
Pavel, Florin [1 ]
Vacareanu, Radu [1 ]
机构：
[1] Tech Univ Civil Engn Bucharest, Seism Risk Assessment Res Ctr, Blvd Lacul Tei 122-124,Sect 2, RO-020396 Bucharest, Romania
来源：
BULLETIN OF THE SEISMOLOGICAL SOCIETY OF AMERICA | 2017年 / 107卷 / 01期
关键词：
PREDICTION EQUATIONS; RESPONSE SPECTRA; SITE;
D O I：
10.1785/0120160095
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
The evaluation of the spatial correlation of ground motions is the first step toward an assessment of the seismic risk on a regional scale. This short study focuses on the evaluation of the spatial correlation of ground motions recorded during intermediate-depth earthquakes produced in the Vrancea subcrustal seismic source in Romania for eight spectral periods in the 0.0-3.0 s range. A recently developed ground-motion model is used as reference, and the database consists of around 300 ground motions recorded during eight intermediate-depth Vrancea earthquakes. An exponential model is fitted on the experimental semivariograms, and the resulting correlation ranges are compared with the values obtained in previous studies.
引用
收藏
页码：489 / 494
页数：6
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