This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 0.4 MLv
Local datetime 2025/09/09 01:27
Universal datetime 2025/09/08 23:27
Latitude 45.42 ° ± 0.5 km
Longitude 6.63 ° ± 0.7 km
Depth 9 km (from location) ± 2 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
Chambéry  59 58919
Albertville  33 18899
Sallanches  59 16088
Briançon  57 11625
La Ravoire  54 8457
Saint-Jean-de-Maurienne  27 7746
Faverges-Seythenex  44 7606
Pontcharra  48 7344
Bourg-Saint-Maurice  30 7302
Ugine  42 7039
Thônes  57 6576
Saint-Alban-Leysse  56 6007
Saint-Jorioz  59 5738
Challes-les-Eaux  52 5590
Saint-Gervais-les-Bains  50 5573

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 151.13 °
Number of stations used 6
Number of phases used 10

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 OGCY Pg 23:28:00.15 0.02 46.57 0.08 Manual
FR OGCY Sg 23:28:01.85 0.08 46.57 0.08 Manual
FR OGMO Pg 23:28:02.21 0.04 169.33 0.21 Manual
FR OGMO Sg 23:28:05.12 -0.13 169.33 0.21 Manual
FR RSL Pg 23:28:03.29 0.01 359.52 0.27 Manual
FR RSL Sg 23:28:06.98 -0.15 359.52 0.27 Manual
FR TAMIE Pg 23:28:04.74 -0.04 320.46 0.35 Manual
GU LSD Pg 23:28:05.9 0.21 82.88 0.36 Manual
GU LSD Sg 23:28:09.28 -0.57 82.88 0.36 Manual
GU RRL Pg 23:28:07.59 -0.05 166.83 0.51 Manual