Fig. 12From: Detection of low-frequency earthquakes by the matched filter technique using the product of mutual information and correlation coefficientThe threat score and the number of TP, FP, and FN events. The upper panels show the threat score for three indices. Horizontal axis corresponding to the threshold values. Red, blue, and green circles in the lower panels show the number of TP, FN, and FP events for each threshold valueBack to article page