This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 1.4 MLv
Local datetime 2025/08/21 21:41
Universal datetime 2025/08/21 19:41
Latitude 46.11 ° ± 0.3 km
Longitude 7.40 ° ± 0.3 km
Depth 7 km (from location) ± 0.3 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
Lausanne  75 116751
Aosta  42 34062
Sion  15 28045
Cluses  64 17059
Sallanches  64 16088
Passy  54 10902
Évian-les-Bains  71 9098
Scionzier  66 8683
Chamonix-Mont-Blanc  42 8611
Bourg-Saint-Maurice  70 7302
Publier  73 7148
Marignier  70 6445
Thyez  67 6198
Saint-Gervais-les-Bains  58 5573
Marnaz  68 5521

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.36
Azimuthal gap 97.32 °
Number of stations used 31
Number of phases used 61

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
CH DIX Pg 19:41:03.7 0.02 170.08 0.03 Manual
CH DIX Sg 19:41:03.99 -0.13 170.08 0.03 Manual
CH EMBD Pg 19:41:07.72 -0.08 69.66 0.32 Manual
CH EMBD Sg 19:41:11.85 -0.37 69.66 0.32 Manual
GU REMY Pg 19:41:07.94 0.13 212.57 0.32 Manual
GU REMY Sg 19:41:12.11 -0.11 212.57 0.32 Manual
FR COURM Pg 19:41:09.2 -0.66 227.04 0.42 Manual
FR COURM Sg 19:41:15.1 -0.38 227.04 0.42 Manual
FR OGSI Pg 19:41:10.17 -0.12 263.86 0.45 Manual
FR OGSI Sg 19:41:15.90 -0.54 263.86 0.45 Manual
FR VALLO Pg 19:41:10.87 0.29 235.32 0.47 Manual
FR VALLO Sg 19:41:17.9 0.15 235.32 0.47 Manual
FR HOUCH Pg 19:41:11.0 0.06 245.06 0.49 Manual
FR HOUCH Sg 19:41:17.14 -0.41 245.06 0.49 Manual
GU CIRO Pg 19:41:11.56 0.03 166.98 0.52 Manual
GU CIRO Sg 19:41:18.12 -0.42 166.98 0.52 Manual
FR OGVA Pg 19:41:12.7 0 294.33 0.55 Manual
FR OGVA Sg 19:41:19.14 -0.33 294.33 0.55 Manual
GU LSD Pg 19:41:14.41 -0.03 196.23 0.67 Manual
GU LSD Sg 19:41:23.4 -0.46 196.23 0.67 Manual
FR RSL Pg 19:41:14.56 -0.1 232.65 0.69 Manual
FR RSL Sg 19:41:23.28 -0.6 232.65 0.69 Manual
FR OGCY Pg 19:41:16.74 -0.01 217.51 0.8 Manual
FR OGCY Sg 19:41:27.7 -0.36 217.51 0.8 Manual
CH GIMEL Pg 19:41:18.89 0.29 298.88 0.9 Manual
CH GIMEL Pn 19:41:20.18 -0.53 298.88 0.9 Manual
CH GIMEL Sn 19:41:34.55 0.41 298.88 0.9 Manual
GU RSP Pg 19:41:19.97 0.11 185.76 0.96 Manual
CH BRANT Pn 19:41:23.18 0.34 322.69 1.05 Manual
CH BRANT Sn 19:41:38.34 0.57 322.69 1.05 Manual
FR OGMY Pn 19:41:23.32 0.08 258.46 1.08 Manual
FR OGMY Sg 19:41:36.56 0.16 258.46 1.08 Manual
CH BALST Pn 19:41:25.50 -0.05 9.2 1.25 Manual
CH BALST Sn 19:41:42.14 -0.23 9.2 1.25 Manual
FR CHMF Pn 19:41:25.76 0.11 335.94 1.25 Manual
FR CHMF Sn 19:41:42.69 0.15 335.94 1.25 Manual
FR OGSA Pn 19:41:26.35 0.32 213.67 1.28 Manual
FR OGSM Pn 19:41:26.26 0.09 247.95 1.29 Manual
FR OGSM Sn 19:41:43.33 -0.1 247.95 1.29 Manual
FR OGJA Pn 19:41:25.69 -0.49 202.39 1.29 Manual
CH BOURR Pn 19:41:26.62 0.43 354.82 1.29 Manual
CH BOURR Sn 19:41:42.83 -0.64 354.82 1.29 Manual
FR PRABE Pn 19:41:27.2 0.47 229.06 1.32 Manual
FR PRABE Sn 19:41:44.42 0.35 229.06 1.32 Manual
FR BOUC Pn 19:41:27.52 0.03 325.74 1.39 Manual
FR BOUC Pg 19:41:28.13 0.33 325.74 1.39 Manual
FR BOUC Sn 19:41:45.91 0.23 325.74 1.39 Manual
FR CHA2 Pn 19:41:27.72 -0.57 227.47 1.44 Manual
FR FOURG Pg 19:41:29.88 0.27 312.86 1.48 Manual
FR FOURG Sg 19:41:49.12 -0.18 312.86 1.48 Manual
CH SULZ Pg 19:41:30.59 0.62 18.67 1.5 Manual
CH SULZ Sg 19:41:50.15 0.22 18.67 1.5 Manual
RD ORIF Pg 19:41:32.22 0.43 222.55 1.6 Manual
RD ORIF Sg 19:41:53.11 0.1 222.55 1.6 Manual
LE ENDD Pg 19:41:32.43 0.18 8.01 1.62 Manual
LE ENDD Sn 19:41:50.26 -1.01 8.01 1.62 Manual
LE ENDD Sg 19:41:53.38 -0.41 8.01 1.62 Manual
CH SLE Pg 19:41:36.20 0.53 23.86 1.82 Manual
CH SLE Sg 19:41:59.64 0.17 23.86 1.82 Manual
FR WALT Pn 19:41:33.50 -0.56 357.4 1.86 Manual
FR WALT Sg 19:42:00.40 -0.29 357.4 1.86 Manual