Figure 3

The prediction results for 200 testing events (ML ≥ 3.0). (a) The true epicenters of the 200 testing earthquakes (blue dots). (b) The predicted epicenters and errors of the 200 earthquakes in (a), and the mean epicenter error is 3.7 km. (c) The mean epicenter error versus the number of training events employed in the FCN. (d) The mean depth error versus the number of training events employed in the FCN.