Probabilistic seismic hazard maps for the North Balkan region

被引:0
|
作者
Musson, RMW [1 ]
机构
[1] British Geol Survey, Murchison House, Edinburgh EH9 3LA, Midlothian, Scotland
来源
ANNALI DI GEOFISICA | 1999年 / 42卷 / 06期
关键词
seismic hazard maps; Pannonian basin; Monte Carlo simulation; Vrancea; intermediate focus earthquakes; seismic hazard methodology; UN/IDNDR;
D O I
暂无
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
A set of seismic hazard maps, expressed as horizontal peak ground acceleration, have been computed for a large area of Central and Eastern Europe covering the North Balkan area (Former Yugoslavia, Hungary, Romania). These are based on: a) a compound earthquake catalogue for the region; b) a seismic source model of 50 zones compiled on the basis of tectonic divisions and seismicity, and c) a probabilistic methodology using stochastic (Monte Carlo) modelling. It is found that the highest hazard in the region comes from intermediate focus earthquakes occurring in the Vrancea seismic zone; here the hazard exceeds 0.4 g at return periods of 475 years. Special account has been taken of the directional nature of attenuation from this source.
引用
收藏
页码:1109 / 1124
页数:16
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