This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 0.3 MLv
Local datetime 2025/12/20 19:57
Universal datetime 2025/12/20 18:57
Latitude 44.91 ° ± 0.8 km
Longitude 6.61 ° ± 0.6 km
Depth 5 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
Gap  57 40895
Saint-Martin-d'Hères  73 38487
Meylan  74 17129
Briançon  3 11625
Eybens  73 10185
Crolles  71 8247
Saint-Jean-de-Maurienne  46 7746
Vizille  68 7361
Villard-Bonnot  68 7107
Saint-Ismier  73 6966
Gières  72 6779
Domène  70 6745
Embrun  38 6155
Saint-Martin-d'Uriage  66 5451
Montbonnot-Saint-Martin  72 5134

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.14
Azimuthal gap 131.82 °
Number of stations used 9
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 OGJA Pg 18:58:01.50 -0.03 85.89 0.07 Manual
FR OGJA Sg 18:58:02.83 0.01 85.89 0.07 Manual
GU RRL Pg 18:58:02.36 -0.05 82.96 0.13 Manual
GU RRL Sg 18:58:04.46 0.15 82.96 0.13 Manual
FR OGAG Sg 18:58:04.43 0.07 204.06 0.13 Manual
FR OGSA Pg 18:58:03.72 -0.02 311.14 0.2 Manual
FR OGSA Sg 18:58:06.67 0.09 311.14 0.2 Manual
FR OGCE Sg 18:58:08.44 0.08 153.73 0.26 Manual
FR OGVG Pg 18:58:06.87 0 255.97 0.37 Manual
FR OGVG Sg 18:58:11.75 -0.15 255.97 0.37 Manual
GU BHB Sg 18:58:14.69 -0.39 98.41 0.47 Manual
RD ORIF Pg 18:58:09.83 0.09 271.68 0.52 Manual
RD ORIF Sg 18:58:16.67 -0.12 271.68 0.52 Manual
FR OGS3 Sg 18:58:18.99 -0.18 286.27 0.6 Manual