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中文摘要：
震后灾情的快速获取是灾后应急的基础,传统的方法是根据现场调查结果决定应急方案。受灾程度的分布常以烈度分布图描述,而烈度又与加速度峰值密切相关。本文提出了一种震后地震动场分布快速评估的方法。该方法将主要依据灾区基岩台站的实时强震记录（无强震记录也行）和该地区的加速度衰减关系,再结合该地区各类场地的地震动放大因子,则可快速估计该地区地震动场分布,从而确定灾情,为政府的应急决策提供依据。
英文摘要：
To assess the earthquake disaster quickly is the foundation of post-disaster emergency.The traditional method for deciding emergency plan is according to the survey results.The distribution of affected degree is often described with intensity distribution map,and the intensity is closely related with the peak acceleration.This paper puts forward a method for rapid assessment of ground motion field distribution.This method will be mainly based on the real-time records and the attenuation relationship of acceleration of bedrock station in earthquake disaster area（including no real-time records on the strong earthquakes）.At the same time,it is also based on the earthquake amplification factor of the area of various kinds of field.Finally,we can rapidly estimate the earthquake distribution and the disaster of this area which can be a basis for the government＇s emergency decision.
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