摘要
分析现今地震烈度时通常会与同一个构造带的同震级历史地震烈度做对比分析,用于指导地震救灾救援,但这样精度不够,为了能实时准确模拟受灾情况,利用强震记录获得地震动衰减关系,并利用该衰减关系反演出已发生地震的烈度分布图。尽管现今反演地震烈度广泛应用于地震救灾救援,但通过本研究发现,由于模型与实际地震波传播介质差异大,使得烈度圈过于理想,会忽略掉地层层序的差异性。同时通过研究地震地质背景,认识判断发震断裂,为未来地震趋势分析做基础。
The intensity of present earthquake is usually compared with the intensity of historical earthquake with the same magnitude in the same tectonic zone.The comparative analysis is used to guide the earthquake relief and rescue although the accuracy is not enough.In order to accurately simulate the disaster situation,the seismic intensity distribution map is inversed by ground motion attenuation relationship based on strong earthquake records.The inversion of present earthquake intensity can guide the earthquake emergency rescue,but the difference between the model and the actual medium of seismic wave makes isoseisms intensity too ideal.By studying the background of seismogeology,the earthquake fault can be distinguished to analyze earthquake tendency.
出处
《工程地球物理学报》
2016年第2期241-244,共4页
Chinese Journal of Engineering Geophysics
基金
山西省地震局科研项目(编号:SBK1633)
