This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 0.2 MLv
Local datetime 2025/09/20 20:45
Universal datetime 2025/09/20 18:45
Latitude 45.89 ° ± 0.6 km
Longitude 7.00 ° ± 0.5 km
Depth 8 km (from location) ± 1 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  30 34062
Sion  47 28045
Cluses  38 17059
Sallanches  31 16088
Bonneville  50 12608
Passy  21 10902
Scionzier  39 8683
Chamonix-Mont-Blanc  7 8611
Bourg-Saint-Maurice  31 7302
Ugine  46 7039
Saint-Pierre-en-Faucigny  52 6573
Marignier  45 6445
Thyez  42 6198
Saint-Gervais-les-Bains  21 5573
Marnaz  41 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 83.2 °
Number of stations used 7
Number of phases used 12

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 ARGR Pg 18:45:06.27 0.07 1.43 0.05 Manual
FR ARGR Sg 18:45:07.38 -0.17 1.43 0.05 Manual
FR COURM Pg 18:45:06.32 -0.14 200.67 0.08 Manual
FR COURM Sg 18:45:07.76 -0.24 200.67 0.08 Manual
GU REMY Pg 18:45:07.16 0.13 117.47 0.12 Manual
GU REMY Sg 18:45:09.37 0.39 117.47 0.12 Manual
FR HOUCH Sg 18:45:10.37 0.17 272.2 0.16 Manual
FR OGSI Sg 18:45:12.73 0.3 313.58 0.24 Manual
FR RSL Pg 18:45:10.94 0.06 232.33 0.34 Manual
FR RSL Sg 18:45:15.29 -0.24 232.33 0.34 Manual
CH DIX Pg 18:45:10.81 -0.15 56.3 0.34 Manual
CH DIX Sg 18:45:15.53 -0.11 56.3 0.34 Manual