## 4 Results and Discussion
### Interactions After the Seismic Event
No statistically significant correlations were observed between the signal on Channel 1 and the signal from each probe, or between the signal on Channel 2 and the signal from probe 6. No negative correlations were observed between the signals from the channels and probes. However, solely positive correlations were observed between the signal from channel 3 and the signal from probe 3, between the signals on channels 2 and 3 and the signal from probe 4, andbetween the signals on channels 3 and 4 and the signal from probe 5. The duration of the correlation between the signal from probe 4 and the signal from channel 3 was 54-72 h after the event. In the remaining cases, the correlation persisted for over 24 h. The other signals from the probes were both positively and negatively correlated with the signals on channels 2, 3, and 4. The duration of these correlations was different. The longest duration of 24 h was observed between the signal on channel 2 and the signals from probes 2, 3, and 5 (Figure 22B). From 73 to 96 h after the seismic events, the correlations between the signals from the channels and probes were analyzed based on 951 data points, representing 49.5% of the input data set. The signal from channel 1 was negatively correlated with the signals from probes 2, 3, 5, and 6. Except for the signal from probe 6, the correlation durations were 24 h. Solely positive correlations were observed between the signal from channel 2 and the signals from probes 3 and 5, between the signal from channel 3 and the signal from probe 6, and between the signal from channel 4 and the signals from probes 4 and 5. In these cases, the correlations persisted for 24 h. No statistically significant correlations were observed between the signals from the probes and channels. Except for the discussed cases, the correlations were mixed. After events no. 2, 3, and 4, probes 2, 3, and 5 showed identical responses. Their signals were correlated with those from channel 2. The signal from channel 3 was correlated with that from probe 6. The signal from probe 4 was correlated with that from channel 4. The correlations were positive (Figure 23B). The subsequent 24 h (97-120 h) after the seismic event also showed statistically significant correlations. A total of 884 data points were analyzed, representing 46% of the input dataset. Identical interactions were observed after events 2 and 4. The signals from probes 2, 4, 5, and 6 correlated with the signal on channel 2. The signal from channel 4 was correlated with the signals from probes 4 and 5. In both cases, the correlations were positive. Solely negative correlations were observed between the signals from probes 3 and 4 and the signal from channel 1, and between the signal from probe 3 and the signal from channel 3. For the signal from probe 3, the duration of the correlation was from 97 to 111 h, and for the signal on channel 3, it was similar, from 97 to 117 h after the event. In contrast, the correlation between the signals from channel 1 and probe 6 lasted for 24 h. The signals from probe 6 and from channel 2 were only positively correlated. The significance of the correlations was practically constant (from 0.6 to 0.7) over 24 h. The remaining correlations were mixed, and their durations ranged between 7 and 10 h (Figure 24B). Between 121 and 144 h after the event, only positive correlations were observed between the signal on channel 2 and the signal from probe 6, and between the signal on channel 3 and the signal from probe 5. The analyses were based on 971 data points, representing 50.6% of the total input dataset. Identical interactions were observed after all four seismic events between the signal from probe 6 and the signal from channel 3 and between the signals from probes 2 and 5 and the signal from channel 3. Negative correlations were observed after events 2 and 3, and positive correlations after events 1 and 4. Otherwise, the signals from the radon probes and seismic activity channels correlated positively and negatively.