This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 0.4 MLv |
| Local datetime | 2025/07/20 04:59 |
| Universal datetime | 2025/07/20 02:59 |
| Latitude | 45.83 ° ± 0.7 km |
| Longitude | 6.97 ° ± 0.5 km |
| Depth | 2 km (operator assigned) ± 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 |
|---|---|---|
Aosta 
|
29 | 34062 |
Albertville 
|
48 | 18899 |
| Cluses
|
40 | 17059 |
| Sallanches
|
31 | 16088 |
| Bonneville
|
51 | 12608 |
| Passy
|
23 | 10902 |
| Scionzier
|
41 | 8683 |
| Chamonix-Mont-Blanc
|
12 | 8611 |
| Bourg-Saint-Maurice
|
25 | 7302 |
| Ugine
|
43 | 7039 |
| Thônes
|
51 | 6576 |
| Marignier
|
47 | 6445 |
| Thyez
|
44 | 6198 |
| Saint-Gervais-les-Bains
|
18 | 5573 |
| Marnaz
|
43 | 5521 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.19 |
| Azimuthal gap | 152.57 ° |
| Number of stations used | 4 |
| Number of phases used | 8 |
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 |
|---|---|---|---|---|---|---|---|
| GU | REMY | Pg | 02:59:55.82 | -0.01 | 87.72 | 0.13 | Manual |
| GU | REMY | Sg | 02:59:57.69 | -0.02 | 87.72 | 0.13 | Manual |
| FR | HOUCH | Pg | 02:59:56.34 | -0.07 | 295.16 | 0.16 | Manual |
| FR | HOUCH | Sg | 02:59:58.63 | -0.08 | 295.16 | 0.16 | Manual |
| FR | RSL | Pg | 02:59:59.5 | 0.22 | 239.53 | 0.28 | Manual |
| FR | RSL | Sg | 03:00:02.44 | -0.38 | 239.53 | 0.28 | Manual |
| GU | LSD | Pg | 03:00:00.86 | 0.05 | 163.19 | 0.39 | Manual |
| GU | LSD | Sg | 03:00:05.88 | -0.31 | 163.19 | 0.39 | Manual |