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引言广泛用于确定场地地震危险性的概率模型的方法依赖于场点附近潜在震源的活动性概率模型的可信度。在有实际意义的许多情况下,要评估的地震危险性模型是由场点附近几个不完全知道的震源的活动性所确定,并且对于各个地震的震源区或破裂范围定位精度还未达到确定它是属于哪个断层带或潜在震
INTRODUCTION The widely used method for determining the probability model of site seismic hazards relies on the credibility of the active probabilistic model of a potential source near a site. In many cases of practical significance, the seismic hazard model to be assessed is determined by the activity of several less-known sources in the vicinity of the site and the positioning accuracy of the focal region or rupture range for each earthquake has not yet been determined It belongs to which fault zone or potential earthquake