This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 1.8 MLv
Local datetime 2023/09/27 23:34
Universal datetime 2023/09/27 21:34
Latitude 45.90 ° ± 0.2 km
Longitude 7.06 ° ± 0.3 km
Depth 6 km (from location) ± 0.4 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  26 34062
Sion  44 28045
Cluses  42 17059
Sallanches  36 16088
Bonneville  54 12608
Passy  26 10902
Scionzier  43 8683
Chamonix-Mont-Blanc  11 8611
Bourg-Saint-Maurice  34 7302
Ugine  51 7039
Saint-Pierre-en-Faucigny  57 6573
Marignier  49 6445
Thyez  46 6198
Saint-Gervais-les-Bains  25 5573
Marnaz  45 5521

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.45
Azimuthal gap 72.49 °
Number of stations used 42
Number of phases used 70

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 21:34:34.95 0.5 131.38 0.09 Manual
FR OGSI Pg 21:34:36.91 -0.73 307.13 0.27 Manual
FR OGSI Sg 21:34:40.43 -0.91 307.13 0.27 Manual
CH DIX Pg 21:34:38.18 -0.15 52.62 0.3 Manual
CH DIX Sg 21:34:42.58 0.05 52.62 0.3 Manual
FR RSL Pg 21:34:39.31 -0.26 235.92 0.37 Manual
FR RSL Sg 21:34:43.92 -0.72 235.92 0.37 Manual
GU LSD Pg 21:34:41.16 0.28 173.31 0.44 Manual
GU LSD Sg 21:34:47.9 0.22 173.31 0.44 Manual
CH AIGLE Pg 21:34:40.67 -0.43 350.45 0.45 Manual
CH AIGLE Sg 21:34:46.47 -0.77 350.45 0.45 Manual
FR OGCY Pg 21:34:41.84 0.03 210.13 0.49 Manual
FR OGCY Sg 21:34:48.64 0.19 210.13 0.49 Manual
FR OGVA Pg 21:34:41.82 -0.33 328.8 0.51 Manual
FR OGVA Sg 21:34:48.51 -0.51 328.8 0.51 Manual
FR TAMIE Pg 21:34:43.16 -0.12 248.83 0.57 Manual
FR TAMIE Sg 21:34:51.17 0.23 248.83 0.57 Manual
CH EMBD Pg 21:34:43.93 -0.42 58.89 0.62 Manual
FR OG02 Pg 21:34:44.76 0.12 294.06 0.64 Manual
FR OGMO Pg 21:34:46.40 -0.06 201.28 0.74 Manual
FR OGMO Sg 21:34:56.22 -0.13 201.28 0.74 Manual
GU RSP Pg 21:34:46.91 -0.01 169.09 0.76 Manual
GU RSP Sg 21:34:56.96 -0.17 169.09 0.76 Manual
FR OGMY Pg 21:34:48.12 0.14 269.35 0.82 Manual
FR OGMY Sg 21:34:59.13 0.18 269.35 0.82 Manual
CH GIMEL Pg 21:34:48.38 -0.07 319.36 0.84 Manual
CH GIMEL Sg 21:35:00.60 0.86 319.36 0.84 Manual
FR OGSA Pg 21:34:51.2 0.06 208.64 0.98 Manual
GU RRL Pg 21:34:51.40 0.13 191.16 0.99 Manual
GU RRL Sg 21:35:04.50 -0.04 191.16 0.99 Manual
FR OGSM Pg 21:34:51.38 0.05 253.76 1 Manual
FR OGSM Sg 21:35:04.58 -0.07 253.76 1 Manual
FR OGJA Pg 21:34:51.83 0.13 194.23 1.02 Manual
FR OGJA Sg 21:35:05.88 0.61 194.23 1.02 Manual
FR OG35 Pg 21:34:52.17 -0.15 278.65 1.05 Manual
FR OG35 Sg 21:35:05.67 -0.65 278.65 1.05 Manual
GU BHB Pg 21:34:52.83 0.12 172.29 1.07 Manual
GU BHB Sg 21:35:07.16 0.17 172.29 1.07 Manual
CH BRANT Pg 21:34:53.85 0.24 338.87 1.12 Manual
FR CHA2 Pg 21:34:52.100 -0.78 226.91 1.13 Manual
FR RIVEL Pn 21:34:54.70 -0.79 317.96 1.17 Manual
FR OGCE Pn 21:34:55.76 -0.67 189.6 1.24 Manual
FR OGCE Sg 21:35:13.1 0.69 189.6 1.24 Manual
FR OGVG Pn 21:34:56.12 -0.78 212.1 1.27 Manual
FR OGVG Sg 21:35:14.9 0.7 212.1 1.27 Manual
FR CHMF Pn 21:34:58.4 -0.38 348.34 1.38 Manual
FR CHMF Sn 21:35:17.20 0.53 348.34 1.38 Manual
FR CREF Pn 21:34:57.78 -0.64 193.15 1.38 Manual
FR CREF Sg 21:35:17.52 0.6 193.15 1.38 Manual
GU PZZ Pg 21:34:58.74 0.04 178.39 1.39 Manual
GU PZZ Sg 21:35:17.3 -0.15 178.39 1.39 Manual
FR BOUC Pn 21:34:59.38 -0.13 337.93 1.46 Manual
FR BOUC Sn 21:35:18.75 0.23 337.93 1.46 Manual
FR FOURG Pn 21:35:00.21 0.36 324.88 1.49 Manual
FR FOURG Sn 21:35:19.75 0.65 324.88 1.49 Manual
CH BOURR Pg 21:35:01.21 0.41 4.37 1.5 Manual
CH BALST Pg 21:35:01.47 0.62 16.64 1.5 Manual
FR OGRV Pg 21:35:04.2 0.12 286.47 1.67 Manual
FR OGGL Pg 21:35:05.6 0.37 270.28 1.71 Manual
FR OGCB Pg 21:35:05.36 0.22 233.63 1.74 Manual
G SSB Pg 21:35:07.25 -0.28 251.66 1.87 Manual
CH SLE Pg 21:35:12.6 0.55 27.21 2.11 Manual
CH SLE Sg 21:35:39.52 0.75 27.21 2.11 Manual
FR COLF Pg 21:35:16.58 0.34 261.67 2.39 Manual
FR COLF Sg 21:35:47.6 0.28 261.67 2.39 Manual
FR PLDF Pg 21:35:17.23 0.86 272.87 2.4 Manual
FR PLDF Sg 21:35:47.76 0.76 272.87 2.4 Manual
FR BANN Pn 21:35:14.77 0.05 234.43 2.56 Manual
FR BANN Sn 21:35:44.95 0.54 234.43 2.56 Manual
FR SGSF Pn 21:35:14.62 -0.18 251.92 2.57 Manual