Using CORA-3 algorism of pattern recognition and Fesherls discriminant function, the 38 historical earthquake areas and 22 areas needed to be identified for earthquake risk are classified and predicted.

• 利用图象识别的CORA-3算法与费歇尔判别函数,对华北历史上已发生的38次地震和22个待预测区进行了分类和预测。