Figures of the Article

• Example of the seismic waveform after normalization. The dashed green line shows the primary arrival of the P wave
• Schematic of the CNN model and output matrix size of each layer
• Results of loss function reduction with different learning rates
• Schematic diagram of the structure of the (CRNN) and the size of the output matrix of each layer
• Comparison of travel time residuals for CRNN and AR pickers
• Variations in standard deviation and mean square error of the CNN model with iterations
• Variations in the standard deviation and mean square error of the CRNN model with iterations
• Examples of prediction results for primary phase by CNN
• Examples of the prediction results of the primary phase by CRNN
• Examples of the prediction results of the primary phase using the EQtransformer