This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 0.4 MLv
Local datetime 2025/08/23 21:09
Universal datetime 2025/08/23 19:09
Latitude 45.72 ° ± 0.2 km
Longitude 6.56 ° ± 0.2 km
Depth 5 km (from location) ± 0.5 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
Annecy  40 126924
Albertville  14 18899
Cluses  38 17059
Sallanches  25 16088
Passy  29 10902
Fillière  39 9255
Scionzier  36 8683
Chamonix-Mont-Blanc  37 8611
Faverges-Seythenex  21 7606
Bourg-Saint-Maurice  17 7302
Ugine  11 7039
Thônes  26 6576
Saint-Jorioz  34 5738
Saint-Gervais-les-Bains  20 5573
Marnaz  37 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 108.3 °
Number of stations used 8
Number of phases used 15

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 RSL Pg 19:09:50.73 0.02 127.86 0.06 Manual
FR RSL Sg 19:09:51.77 -0.06 127.86 0.06 Manual
FR TAMIE Pg 19:09:52.79 0 259.11 0.18 Manual
FR TAMIE Sg 19:09:55.26 -0.11 259.11 0.18 Manual
FR HOUCH Pg 19:09:53.62 -0.07 39.68 0.23 Manual
FR HOUCH Sg 19:09:56.88 -0.02 39.68 0.23 Manual
FR VALLO Pg 19:09:53.83 0.04 60.29 0.24 Manual
FR VALLO Sg 19:09:57.62 0.54 60.29 0.24 Manual
FR OGCY Pg 19:09:54.49 0 156.87 0.27 Manual
FR OGCY Sg 19:09:57.95 -0.33 156.87 0.27 Manual
FR OGSI Pg 19:09:56.9 -0.05 22.35 0.36 Manual
FR OGSI Sg 19:10:00.90 -0.17 22.35 0.36 Manual
FR OGVA Pg 19:10:01.18 0.32 7.93 0.61 Manual
FR OGSM Pg 19:10:01.4 0.12 259.63 0.62 Manual
FR OGSM Sg 19:10:09.34 0.12 259.63 0.62 Manual