This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 1.2 MLv
Local datetime 2023/12/20 19:28
Universal datetime 2023/12/20 18:28
Latitude 45.88 ° ± 0.3 km
Longitude 7.03 ° ± 0.4 km
Depth 8 km (from location) ± 1.0 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  27 34062
Sion  47 28045
Albertville  54 18899
Cluses  41 17059
Sallanches  34 16088
Bonneville  53 12608
Passy  25 10902
Scionzier  42 8683
Chamonix-Mont-Blanc  11 8611
Bourg-Saint-Maurice  31 7302
Ugine  48 7039
Marignier  49 6445
Thyez  45 6198
Saint-Gervais-les-Bains  23 5573
Marnaz  44 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 58.54 °
Number of stations used 16
Number of phases used 26

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
GU REMY Pg 18:28:55.34 0.19 113.64 0.09 Manual
GU REMY Sg 18:28:57.17 0.38 113.64 0.09 Manual
FR HOUCH Pg 18:28:56.66 -0.06 277.67 0.19 Manual
FR HOUCH Sg 18:28:59.24 -0.21 277.67 0.19 Manual
CH DIX Pg 18:28:59.30 -0.07 51.63 0.33 Manual
CH DIX Sg 18:29:03.86 -0.09 51.63 0.33 Manual
FR RSL Pg 18:28:59.54 -0.03 237.1 0.34 Manual
FR RSL Sg 18:29:03.86 -0.45 237.1 0.34 Manual
GU LSD Pg 18:29:00.91 -0.13 170.45 0.42 Manual
GU LSD Sg 18:29:06.61 -0.19 170.45 0.42 Manual
FR OGCY Pg 18:29:01.81 0.02 209.44 0.46 Manual
FR OGCY Sg 18:29:08.7 -0.02 209.44 0.46 Manual
GU CIRO Pg 18:29:01.81 0 126 0.46 Manual
GU CIRO Sg 18:29:08.5 -0.06 126 0.46 Manual
CH AIGLE Pg 18:29:01.79 -0.16 353.09 0.47 Manual
CH AIGLE Sg 18:29:08.13 -0.21 353.09 0.47 Manual
FR OGVA Pg 18:29:02.79 -0.03 331.77 0.52 Manual
FR OGVA Sg 18:29:10.12 0.28 331.77 0.52 Manual
FR TAMIE Pg 18:29:03.55 0.24 250.2 0.54 Manual
FR TAMIE Sg 18:29:10.56 -0.11 250.2 0.54 Manual
GU TRAV Sg 18:29:12.88 -0.13 125.73 0.62 Manual
CH EMBD Sg 18:29:14.8 -0.05 58.12 0.65 Manual
FR OGMO Sg 18:29:15.77 -0.24 200.48 0.71 Manual
GU RSP Sg 18:29:16.85 -0.23 167.36 0.74 Manual
FR OGSM Sg 18:29:24.73 0.35 254.64 0.97 Manual
FR CHMF Pn 18:29:19.0 0.12 349.24 1.4 Manual