Seismic hazard assessment for Guatemala City

被引:0
作者
Villagran, M
Lindholm, C
Dahle, A
Cowan, H
Bungum, H
机构
[1] NORWEGIAN SEISM ARRAY, N-2007 KJELLER, NORWAY
[2] INSIVUMEH, GUATEMALA CITY 01013, GUATEMALA
关键词
Central America; probabilistic seismic hazard; peak ground acceleration; fault and area sources; logic tree model;
D O I
暂无
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
Guatemala is one of the Central American countries thar for some years now have been participating in a regional program for natural hazard assessment and disaster reduction, funded by the Nordic countries and coordinated by a regional institution (CEPREDENAC*). Recent work related to seismic hazard has included the standardization, reporting and processing of seismicity data across the borders, followed by regional hazard modeling. The work presented here for Guatemala City represents a step from a regional to a more local level, based on reevaluation of historical seismicity, geological data related to active faults, and attenuation relations recently derived from analysis of strong motion records from the region. The site specific hazard calculations indicate that expected values of peak ground acceleration are ranging from less than 2 to more than 6 m s(-2), corresponding to annual exceedence probabilities ranging from 0.1 to 0.001, respectively.
引用
收藏
页码:189 / 205
页数:17
相关论文
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