This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.8 MLv
Local datetime 2025/08/21 11:59
Universal datetime 2025/08/21 09:59
Latitude 49.08 ° ± 0.2 km
Longitude -0.38 ° ± 0.2 km
Depth 0 km (operator assigned) ± 0.0 km
See the seismogram of this event.

Near cities

This table shows only the most populated cities around the epicenter.
Name Distance (km) Population
Caen  11 105354
Hérouville-Saint-Clair  14 22954
Bayeux  32 13121
Ifs  7 11766
Mondeville  11 9868
Mézidon Vallée d'Auge  27 9712
Ouistreham  23 9081
Falaise  25 8186
Saint-Pierre-en-Auge  31 7676
Colombelles  14 6918
Condé-en-Normandie  27 6634
Thue et Mue  17 5904
Blainville-sur-Orne  17 5801
Dives-sur-Mer  31 5546
Douvres-la-Délivrande  23 5062

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.21
Azimuthal gap 98.56 °
Number of stations used 9
Number of phases used 12

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 MUSE Pg 09:59:17.6 0.06 356.08 0.2 Manual
FR MUSE Sg 09:59:19.98 0.34 356.08 0.2 Manual
FR SROF Pg 09:59:22.2 -0.16 265.84 0.48 Manual
FR LOUF Pg 09:59:26.79 0.1 236.14 0.72 Manual
FR GOTF Pg 09:59:26.75 -0.26 94.64 0.74 Manual
FR SOMF Pg 09:59:28.54 -0.25 159.68 0.84 Manual
FR BESN Pg 09:59:29.52 0.28 290.36 0.86 Manual
FR MTNF Pg 09:59:29.52 0.13 200.99 0.87 Manual
FR MTNF Sg 09:59:41.23 0.13 200.99 0.87 Manual
FR PLEF Pg 09:59:39.92 0.27 246.23 1.42 Manual
FR DAUF Pn 09:59:38.70 -0.08 179.23 1.42 Manual
FR DAUF Pg 09:59:39.100 0.27 179.23 1.42 Manual