Table 2 Precursory radon signal characteristics and associated earthquake parameters across multiple radon observatoiries.
Station code | Start time (IST) | Peak time (IST) | End time (IST) | Amp. factor | Buildup period (h) | Decay period (h) | EQ time (IST) | Latitude | Longitude | Depth (km) | Magnitude (Mw) | ED (Km) | Time gap from peak alert | Azimuth angle |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MANI | 05-12-2024 12:36 | 24-03-2025 15:03 | 28-03-2025 15:33 | 2.0 | 2618 | 96 | 28-03-2025 11:50 | 21.93 | 96.07 | 35 | 7.7 | 381 | 93 | 144 |
DSTA | 16-05-2023 18:19 | 26-07-2023 02:20 | 27-07-2023 00:05 | 3.4 | 1688 | 22 | 29-07-2023 00:53 | 10.75 | 93.47 | 69 | 5.9 | 127 | 71 | 141 |
CUHP | 08-03-2024 23:28 | 31-03-2024 12:58 | 19-04-2024 03:28 | 2.0 | 542 | 447 | 04-04-2024 21:34 | 33.09 | 76.59 | 10 | 5.3 | 104 | 105 | 22 |
HANL | 23-02-2020 05:13 | 07-03-2020 08:04 | 08-03-2020 09:19 | 1.6 | 315 | 25 | 11-03-2020 19:49 | 32.47 | 78.43 | 10 | 4.2 | 61 | 108 | 236 |
NEHU | 06-11-2021 18:28 | 17-11-2021 21:44 | 24-11-2021 17:27 | 2.0 | 267 | 164 | 20-11-2021 13:12 | 25.95 | 91.51 | 34 | 4.1 | 54 | 63 | 36 |
MANI | 14-11-2024 03:51 | 22-11-2024 09:01 | 24-11-2024 07:02 | 1.6 | 197 | 46 | 27-11-2024 18:20 | 24.82 | 93.70 | 20 | 4.3 | 24 | 129 | 288 |
MPGOS | 14-06-2022 20:06 | 21-06-2022 23:06 | 28-06-2022 21:05 | 1.3 | 171 | 166 | 27-06-2022 16:41 | 25.20 | 92.78 | 5 | 4.4 | 56 | 138 | 3 |
GAHU | 26-10-2020 17:05 | 01-11-2020 18:50 | 08-11-2020 03:51 | 1.8 | 146 | 153 | 03-11-2020 01:13 | 25.69 | 91.15 | 10 | 4.4 | 72 | 30 | 224 |
CUHP | 23-03-2020 14:53 | 28-03-2020 14:23 | 29-03-2020 10:08 | 2.6 | 120 | 20 | 29-03-2020 23:47 | 32.70 | 76.10 | 10 | 4.5 | 53 | 33 | 2 |
CSUAJM | 15-07-2023 00:32 | 19-07-2023 18:32 | 06-08-2023 14:32 | 2.3 | 114 | 428 | 21-07-2023 04:09 | 26.88 | 75.70 | 10 | 4.4 | 72 | 34 | 66 |
