This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.6 MLv
Local datetime 2025/07/22 12:04
Universal datetime 2025/07/22 10:04
Latitude 47.85 ° ± 0.5 km
Longitude -1.75 ° ± 0.3 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
Bruz  20 18266
Saint-Jacques-de-la-Lande  25 13087
Chantepie  28 10435
Le Rheu  28 8740
Guichen  13 8568
Janzé  21 8279
Vern-sur-Seiche  25 7911
Chartres-de-Bretagne  22 7800
Mordelles  27 7363
Bain-de-Bretagne  6 7331
Guipry-Messac  7 6961
Noyal-Châtillon-sur-Seiche  23 6919
Bréal-sous-Montfort  23 6131
Guémené-Penfao  25 5200
Laillé  13 5026

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 84.35 °
Number of stations used 12
Number of phases used 15

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 BEGF Pg 10:04:52.31 -0.45 235.9 0.42 Manual
FR BEGF Sg 10:04:58.32 0 235.9 0.42 Manual
FR RIAF Pg 10:04:53.18 -0.22 139.14 0.45 Manual
FR GUEF Pg 10:04:56.13 0.05 273.95 0.6 Manual
FR BOUF Pg 10:04:57.98 0.09 173.66 0.69 Manual
FR MTNF Pg 10:04:58.53 -0.21 54.8 0.74 Manual
FR LOUF Pg 10:05:01.33 -0.09 20.39 0.88 Manual
FR DAUF Pg 10:05:02.100 0.12 100.85 0.96 Manual
FR CRNF Pg 10:05:04.31 0.09 133.37 1.03 Manual
FR CRNF Sg 10:05:18.16 -0.04 133.37 1.03 Manual
FR BIMF Pg 10:05:05.82 0.13 242.49 1.11 Manual
RD ROSF Sg 10:05:21.8 -0.26 296.04 1.13 Manual
FR PLOF Pg 10:05:06.38 0.25 265.4 1.14 Manual
FR PLOF Sg 10:05:21.78 0.26 265.4 1.14 Manual
FR SOMF Pg 10:05:09.23 0.24 68.95 1.29 Manual