This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 0.4 MLv
Local datetime 2025/08/17 08:24
Universal datetime 2025/08/17 06:24
Latitude 45.86 ° ± 0.7 km
Longitude 6.98 ° ± 0.3 km
Depth 3 km (from location) ± 0.8 km

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See the seismogram of this event.

Near cities

This table shows only the most populated cities around the epicenter.
Name Distance (km) Population
Aosta  29 34062
Sion  51 28045
Albertville  50 18899
Cluses  39 17059
Sallanches  31 16088
Bonneville  51 12608
Passy  22 10902
Scionzier  40 8683
Chamonix-Mont-Blanc  9 8611
Bourg-Saint-Maurice  27 7302
Ugine  44 7039
Marignier  46 6445
Thyez  43 6198
Saint-Gervais-les-Bains  19 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 0.2
Azimuthal gap 174.75 °
Number of stations used 7
Number of phases used 14

Webservices

The data of this event are available in various formats (QuakeML, GeoJSON and text) through the following links :

QuakeML GeoJSON Text

Phases

Network Station Phase Time Residual (s) Azimuth (°) Distance (°) Mode
FR COURM Pg 06:24:36.23 -0.02 199.79 0.04 Manual
FR COURM Sg 06:24:37.15 0.04 199.79 0.04 Manual
FR VALLO Pg 06:24:37.30 0.25 257.87 0.09 Manual
FR VALLO Sg 06:24:38.14 -0.35 257.87 0.09 Manual
GU REMY Pg 06:24:37.53 -0.04 99.99 0.12 Manual
GU REMY Sg 06:24:39.52 0.15 99.99 0.12 Manual
FR HOUCH Pg 06:24:38.29 0.13 285.24 0.15 Manual
FR HOUCH Sg 06:24:39.96 -0.43 285.24 0.15 Manual
FR RSL Pg 06:24:40.94 -0.03 235.88 0.3 Manual
FR RSL Sg 06:24:45.4 -0.12 235.88 0.3 Manual
GU LSD Pg 06:24:43.8 0.06 165.13 0.41 Manual
GU LSD Sg 06:24:48.79 0.14 165.13 0.41 Manual
GU CIRO Pg 06:24:44.13 -0.21 121.94 0.48 Manual
GU CIRO Sg 06:24:50.59 -0.3 121.94 0.48 Manual