This event was automatically detected and need to be confirmed by one of our analysts.
| Type | Event |
| Magnitude | 5.4 mb |
| Local datetime | 2025/08/21 15:44 |
| Universal datetime | 2025/08/21 03:44 |
| Latitude | 51.79 ° ± 6 km |
| Longitude | 159.47 ° ± 6 km |
| Depth | 10 km (from location) ± 0.0 km |
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Testify !Near cities
This table shows only the most populated cities around the epicenter.
| Name | Distance (km) | Population |
|---|---|---|
Petropavlovsk Kamchatskiy 
|
153 | 187282 |
| Yuzhno Sakhalinsk
|
1324 | 176484 |
| Magadan
|
1022 | 95282 |
| Korsakov
|
1340 | 35091 |
| Kholmsk
|
1364 | 32681 |
| Nikolayevsk na Amure
|
1279 | 27152 |
| Okha
|
1132 | 26560 |
| Vanino
|
1394 | 18618 |
| Poronaysk
|
1193 | 16677 |
| Uglegorsk
|
1271 | 12669 |
| Aleksandrovsk Sakhalinskiy
|
1208 | 12024 |
| Dolinsk
|
1299 | 11989 |
| Nogliki
|
1122 | 10098 |
| Makarov
|
1237 | 6663 |
| Okhotsk
|
1322 | 5570 |
Past seismicity
This map shows only the 4 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | |
|---|---|
| RMS | 1.4 |
| Azimuthal gap | 174.47 ° |
| Number of stations used | 29 |
| Number of phases used | 29 |
Webservices
The data of this event are available in various formats (QuakeML, GeoJSON and text) through the following links :
Phases
| Network | Station | Phase | Time | Residual (s) | Azimuth (°) | Distance (°) | Mode |
|---|---|---|---|---|---|---|---|
| IU | PET | P | 03:45:18.99 | 2.19 | 338.29 | 1.33 | Automatic |
| IU | YSS | P | 03:47:46.25 | 3.88 | 252.58 | 11.87 | Automatic |
| IU | BILL | P | 03:48:46.4 | -0.09 | 9.14 | 16.62 | Automatic |
| IU | YAK | P | 03:49:13.67 | -0.89 | 314.19 | 18.96 | Automatic |
| IU | MAJO | P | 03:49:40.7 | -0.79 | 232.95 | 21.41 | Automatic |
| IU | TIXI | P | 03:50:07.39 | -0.65 | 336.78 | 24.01 | Automatic |
| IU | INCN | P | 03:50:35.97 | 0.27 | 251.08 | 27.06 | Automatic |
| II | KDAK | P | 03:50:42.64 | 1.2 | 58.49 | 27.67 | Automatic |
| IU | COLA | P | 03:50:56.84 | -0.58 | 43.35 | 29.46 | Automatic |
| IU | ULN | P | 03:51:30.57 | -0.72 | 284.47 | 33.3 | Automatic |
| II | ALE | P | 03:53:01.62 | 0.1 | 7.19 | 44.04 | Automatic |
| IU | KBS | P | 03:53:32.37 | 0.47 | 352 | 47.87 | Automatic |
| II | KURK | P | 03:53:29.82 | -2.25 | 302.59 | 47.9 | Automatic |
| IU | MAKZ | P | 03:53:33.52 | -2.03 | 296.59 | 48.35 | Automatic |
| II | LVZ | P | 03:54:13.97 | -0.4 | 337.39 | 53.48 | Automatic |
| IU | KEV | P | 03:54:15.17 | -0.46 | 341.52 | 53.65 | Automatic |
| II | AAK | P | 03:54:25.32 | -0.74 | 296.69 | 55.1 | Automatic |
| IU | CHTO | P | 03:54:40.39 | 0.1 | 258.58 | 57.21 | Automatic |
| II | OBN | P | 03:55:21.24 | -0.62 | 327.42 | 63.1 | Automatic |
| IU | KONO | P | 03:55:41.89 | 1.42 | 343.87 | 65.94 | Automatic |
| IU | KIEV | P | 03:55:59.32 | -1.83 | 328.86 | 69.21 | Automatic |
| II | KIV | P | 03:56:06.92 | 2 | 316.79 | 69.83 | Automatic |
| II | ESK | P | 03:56:20.14 | 2.29 | 349.73 | 71.93 | Automatic |
| IU | GNI | P | 03:56:19.62 | 1.51 | 313.12 | 72.01 | Automatic |
| II | BFO | P | 03:56:46.52 | -0.16 | 340.76 | 76.89 | Automatic |
| IU | ANTO | P | 03:56:48.59 | -0.17 | 320.87 | 77.28 | Automatic |
| II | PALK | P | 03:56:47.89 | 0.02 | 265.68 | 77.35 | Automatic |
| II | UOSS | P | 03:56:52.62 | -1.42 | 295.68 | 78.3 | Automatic |
| II | RAYN | P | 03:57:28.84 | -1.65 | 302.78 | 85.23 | Automatic |