This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 0.3 MLv
Local datetime 2025/12/09 22:27
Universal datetime 2025/12/09 21:27
Latitude 45.91 ° ± 0.5 km
Longitude 7.45 ° ± 0.6 km
Depth 9 km (from location) ± 4 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  22 34062
Sion  37 28045
Cluses  70 17059
Sallanches  66 16088
Bonneville  83 12608
Passy  55 10902
Scionzier  72 8683
Chamonix-Mont-Blanc  41 8611
Bourg-Saint-Maurice  60 7302
Ugine  81 7039
Saint-Pierre-en-Faucigny  85 6573
Marignier  77 6445
Thyez  74 6198
Saint-Gervais-les-Bains  55 5573
Marnaz  74 5521

Past seismicity

  This map shows only the 50 most significant earthquakes around this event.

Event details

Parameters

Evaluation status preliminary
RMS 0.06
Azimuthal gap 99.23 °
Number of stations used 6
Number of phases used 11

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
CH DIX Pg 21:27:35.82 0.04 350.1 0.17 Manual
CH DIX Sg 21:27:38.27 -0.11 350.1 0.17 Manual
GU REMY Pg 21:27:36.58 0.02 250.87 0.22 Manual
GU SATI Pg 21:27:37.96 0.03 96.58 0.29 Manual
GU SATI Sg 21:27:41.98 -0.06 96.58 0.29 Manual
GU CIRO Pg 21:27:38.44 0.05 165.08 0.32 Manual
GU CIRO Sg 21:27:42.76 -0.06 165.08 0.32 Manual
CH EMBD Pg 21:27:39.99 -0.01 40.69 0.41 Manual
CH EMBD Sg 21:27:45.51 -0.05 40.69 0.41 Manual
GU LSD Pg 21:27:41.72 -0.08 206.39 0.5 Manual
GU LSD Sg 21:27:48.66 0.03 206.39 0.5 Manual