This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.7 MLv
Local datetime 2025/07/22 13:37
Universal datetime 2025/07/22 11:37
Latitude 48.17 ° ± 0.2 km
Longitude -2.62 ° ± 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
Saint-Brieuc  40 44372
Lamballe-Armor  35 16578
Pontivy  28 14606
Plérin  43 14062
Ploufragan  38 11546
Ploërmel  34 9837
Loudéac  10 9571
Trégueux  35 8432
Langueux  37 7692
Pordic  47 7167
Plédran  32 6666
Le Mené  14 6417
Baud  45 6261
Montauban-de-Bretagne  41 5840
Yffiniac  33 5010

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 102.2 °
Number of stations used 9
Number of phases used 16

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 GUEF Pg 11:37:55.67 -0.16 182.11 0.29 Manual
FR GUEF Sg 11:37:59.45 -0.1 182.11 0.29 Manual
RD ROSF Pg 11:37:58.71 -0.51 290.68 0.47 Manual
FR BEGF Pg 11:38:02.29 0.46 156.63 0.61 Manual
FR BEGF Sg 11:38:09.35 -0.68 156.63 0.61 Manual
FR LOCF Pg 11:38:07.4 0.41 306.17 0.87 Manual
FR LOCF Sg 11:38:17.84 -0.49 306.17 0.87 Manual
FR BIMF Pg 11:38:08.26 0.37 205.15 0.93 Manual
FR BIMF Sg 11:38:21.5 0.54 205.15 0.93 Manual
FR OLIV Pg 11:38:10.36 0.23 256.84 1.05 Manual
FR RIAF Pg 11:38:11.11 0.06 126.69 1.1 Manual
FR RIAF Sg 11:38:26.24 0.27 126.69 1.1 Manual
FR MTNF Pg 11:38:12.45 -0.19 84.55 1.19 Manual
FR MTNF Sg 11:38:28.72 -0.02 84.55 1.19 Manual
FR SROF Pg 11:38:15.1 -0.23 48.37 1.33 Manual
FR SROF Sg 11:38:33.34 0.11 48.37 1.33 Manual