This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 0.9 MLv |
| Local datetime | 2025/08/20 09:19 |
| Universal datetime | 2025/08/20 07:19 |
| Latitude | 45.87 ° ± 0.2 km |
| Longitude | 7.00 ° ± 0.1 km |
| Depth | 2 km (from location) ± 0.3 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 |
Sion 
|
49 | 28045 |
Albertville 
|
52 | 18899 |
| Cluses
|
39 | 17059 |
| Sallanches
|
32 | 16088 |
| Bonneville
|
51 | 12608 |
| Passy
|
22 | 10902 |
| Scionzier
|
40 | 8683 |
| Chamonix-Mont-Blanc
|
9 | 8611 |
| Bourg-Saint-Maurice
|
29 | 7302 |
| Ugine
|
46 | 7039 |
| Marignier
|
47 | 6445 |
| Thyez
|
43 | 6198 |
| Saint-Gervais-les-Bains
|
20 | 5573 |
| Marnaz
|
42 | 5521 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.34 |
| Azimuthal gap | 78.93 ° |
| Number of stations used | 11 |
| Number of phases used | 22 |
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 |
|---|---|---|---|---|---|---|---|
| FR | COURM | Pg | 07:20:01.12 | -0.12 | 207.84 | 0.06 | Manual |
| FR | COURM | Sg | 07:20:01.77 | -0.43 | 207.84 | 0.06 | Manual |
| FR | CHAMO | Pg | 07:20:02.16 | -0.02 | 294.14 | 0.11 | Manual |
| FR | CHAMO | Sg | 07:20:03.35 | -0.45 | 294.14 | 0.11 | Manual |
| FR | VALLO | Pg | 07:20:02.38 | 0.18 | 253.54 | 0.11 | Manual |
| FR | VALLO | Sg | 07:20:03.45 | -0.37 | 253.54 | 0.11 | Manual |
| GU | REMY | Pg | 07:20:02.40 | 0.11 | 106.61 | 0.11 | Manual |
| GU | REMY | Sg | 07:20:03.21 | -0.77 | 106.61 | 0.11 | Manual |
| FR | HOUCH | Pg | 07:20:03.20 | -0.1 | 280.39 | 0.16 | Manual |
| FR | HOUCH | Sg | 07:20:05.62 | -0.08 | 280.39 | 0.16 | Manual |
| FR | OGSI | Pg | 07:20:04.77 | -0.22 | 317.62 | 0.25 | Manual |
| FR | OGSI | Sg | 07:20:08.27 | -0.31 | 317.62 | 0.25 | Manual |
| FR | RSL | Pg | 07:20:06.18 | -0.09 | 235.5 | 0.32 | Manual |
| FR | RSL | Sg | 07:20:10.46 | -0.28 | 235.5 | 0.32 | Manual |
| CH | DIX | Pg | 07:20:06.67 | -0.22 | 53.26 | 0.35 | Manual |
| CH | DIX | Sg | 07:20:11.36 | -0.45 | 53.26 | 0.35 | Manual |
| GU | LSD | Pg | 07:20:08.12 | -0.04 | 167.15 | 0.42 | Manual |
| GU | LSD | Sg | 07:20:13.45 | -0.51 | 167.15 | 0.42 | Manual |
| FR | OGCY | Pg | 07:20:08.57 | -0.07 | 207.08 | 0.45 | Manual |
| FR | OGCY | Sg | 07:20:15.19 | 0.42 | 207.08 | 0.45 | Manual |
| FR | OGVA | Pg | 07:20:09.96 | 0.13 | 334.33 | 0.51 | Manual |
| FR | OGVA | Sg | 07:20:17.45 | 0.64 | 334.33 | 0.51 | Manual |