摘要
采用GIS技术 ,建立了 130 3年洪洞地震的地理信息系统 .应用GIS平台空间分析功能研究了 130 3年洪洞地震的震害空间分布特征和地震等震线的特点 .通过与标准地震烈度衰减关系的对比 ,分析了地震烈度异常分布的空间特征及其与构造、场地条件、盆地之间的关系 .研究了震源与近源地下结构对地表地面运动的影响 ,探讨了这种烈度分布特征对区域地震区划、抗震设防、震害预测以及地震应急响应等方面的影响 .
The geography information system of the 1303 Hongtong M =8 earthquake has been established. Using the spatial analysis function of GIS,the spatial distribution characteristics of damage and isoseismal of the earthquake are studied. By comparing with the standard earthquake intensity attenuation relationship,the abnormal damage distribution of the earthquake is found,so the relationship of the abnormal distribution with tectonics,site condition and basin are analyzed. In this paper,the influence on the ground motion generated by earthquake source and the underground structures near source also are studied. The influence on seismic zonation,anti-earthquake design,earthquake prediction and earthquake emergency responding produced by the abnormal density distribution are discussed.
出处
《地震学报》
CSCD
北大核心
2004年第4期363-368,共6页
Acta Seismologica Sinica
基金
国家重点基础研究发展规划项目"灾害环境下重大工程安全性的基础研究 (2 0 0 2CB4 12 70 3/0 6 )"
中国地震局"十五"重点项目"地震安全性评价研究和结构抗震研究"资助
关键词
洪洞地震
震害分布
地理信息系统
近源强地面运动
the 1303 Hongtong M=8 earthquake
damage distribution
Geography Information System
strong ground motion near source
