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在缺乏强震地面运动观测资料的上海地区用烈度资料建立该区的地震烈度和峰值加速度衰减关系，采用一种新方法——比例系数法计算其标准偏差，并通过实例验证这一关系。最后对该区未来百年内可能遭遇的最大地震烈度进行预测
The relationship between seismic intensity and peak acceleration attenuation in the area was established by using intensity data in the area lacking strong ground motion observation data. A new method was used to calculate the standard deviation by the method of proportion coefficient, and the relationship was verified by an example. Finally, the maximum seismic intensity that may be encountered in this area in the next 100 years is predicted