This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 0.8 MLv
Local datetime 2025/12/18 06:08
Universal datetime 2025/12/18 05:08
Latitude 44.91 ° ± 0.4 km
Longitude 6.61 ° ± 0.3 km
Depth 6 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
Gap  57 40895
Saint-Martin-d'Hères  73 38487
Meylan  73 17129
Briançon  3 11625
Eybens  73 10185
Crolles  70 8247
Saint-Jean-de-Maurienne  45 7746
Vizille  68 7361
Villard-Bonnot  68 7107
Saint-Ismier  72 6966
Gières  71 6779
Domène  69 6745
Embrun  38 6155
Saint-Martin-d'Uriage  65 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 0.25
Azimuthal gap 59.11 °
Number of stations used 16
Number of phases used 27

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 05:08:51.20 0.02 89.34 0.07 Manual
FR OGJA Sg 05:08:52.54 0.06 89.34 0.07 Manual
GU RRL Pg 05:08:51.97 -0.08 84.86 0.13 Manual
GU RRL Sg 05:08:54.15 0.18 84.86 0.13 Manual
FR OGAG Pg 05:08:51.93 -0.19 202.82 0.13 Manual
FR OGAG Sg 05:08:54.34 0.24 202.82 0.13 Manual
FR OGSA Pg 05:08:53.41 0.11 310.47 0.2 Manual
FR OGSA Sg 05:08:56.10 0 310.47 0.2 Manual
FR OGMO Sg 05:08:59.62 0.14 9.58 0.3 Manual
FR CREF Sg 05:09:01.52 0.24 178.83 0.36 Manual
FR OGVG Pg 05:08:56.55 0.06 255.3 0.37 Manual
FR OGVG Sg 05:09:01.30 -0.22 255.3 0.37 Manual
FR SURF Pg 05:08:58.49 0.42 161.51 0.45 Manual
FR SURF Sg 05:09:04.19 -0.02 161.51 0.45 Manual
GU BHB Pg 05:08:58.36 -0.04 98.88 0.47 Manual
GU BHB Sg 05:09:04.35 -0.42 98.88 0.47 Manual
RD ORIF Pg 05:08:59.37 0.02 271.23 0.52 Manual
RD ORIF Sg 05:09:06.20 -0.18 271.23 0.52 Manual
GU RSP Pg 05:08:59.40 0.03 62.53 0.52 Manual
GU PZZ Pg 05:08:59.50 -0.22 138.05 0.54 Manual
GU PZZ Sg 05:09:06.81 -0.2 138.05 0.54 Manual
FR PRABE Sg 05:09:07.33 0.13 306.75 0.55 Manual
FR OGS1 Sg 05:09:08.34 -0.35 285.08 0.59 Manual
FR OGS3 Pg 05:09:00.63 -0.1 285.92 0.59 Manual
FR OGS3 Sg 05:09:08.53 -0.2 285.92 0.59 Manual
GU LSD Pg 05:09:02.38 0.36 33.72 0.66 Manual
GU LSD Sg 05:09:10.15 -0.78 33.72 0.66 Manual