This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.6 MLv
Local datetime 2025/08/18 14:01
Universal datetime 2025/08/18 12:01
Latitude 48.14 ° ± 0.2 km
Longitude -2.49 ° ± 0.2 km
Depth 0 km (from location) ± 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  46 44372
Lamballe-Armor  38 16578
Pontivy  37 14606
Ploufragan  45 11546
Ploërmel  26 9837
Loudéac  20 9571
Trégueux  42 8432
Langueux  43 7692
Plédran  39 6666
Montfort-sur-Meu  39 6653
Le Mené  16 6417
Guer  37 6192
Elven  46 6021
Montauban-de-Bretagne  32 5840
Yffiniac  39 5010

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 71.43 °
Number of stations used 10
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 GUEF Pg 12:01:45.50 -0.29 201.32 0.27 Manual
FR GUEF Sg 12:01:48.97 -0.36 201.32 0.27 Manual
FR PLEF Pg 12:01:47.37 -0.2 16.11 0.37 Manual
FR BEGF Pg 12:01:50.83 -0.1 163.89 0.55 Manual
FR BEGF Sg 12:01:58.45 0.14 163.89 0.55 Manual
RD ROSF Pg 12:01:50.94 -0.23 290.63 0.56 Manual
FR PLOF Pg 12:01:54.85 0.22 238.42 0.75 Manual
FR LOCF Pg 12:01:58.82 0.3 304.68 0.96 Manual
FR RIAF Pg 12:01:59.84 0.24 128.32 1.01 Manual
FR RIAF Sg 12:02:13.36 0.05 128.32 1.01 Manual
FR MTNF Pg 12:02:01.41 0.11 82.58 1.11 Manual
FR MTNF Sg 12:02:16.28 0.02 82.58 1.11 Manual
FR OLIV Pg 12:02:01.95 0.13 259.51 1.13 Manual
FR SROF Pg 12:02:04.46 -0.21 44.8 1.29 Manual
FR SROF Sg 12:02:22.34 0.25 44.8 1.29 Manual