This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.9 MLv
Local datetime 2023/07/31 13:27
Universal datetime 2023/07/31 11:27
Latitude 48.37 ° ± 0.4 km
Longitude -2.39 ° ± 0.4 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  32 44372
Lamballe-Armor  16 16578
Dinan  26 14166
Plérin  34 14062
Ploufragan  33 11546
Dinard  37 10027
Loudéac  35 9571
Trégueux  29 8432
Langueux  27 7692
Pordic  39 7167
Pleurtuit  34 6806
Plédran  27 6666
Le Mené  14 6417
Montauban-de-Bretagne  31 5840
Yffiniac  24 5010

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.47
Azimuthal gap 91.58 °
Number of stations used 7
Number of phases used 14

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 PLEF Pg 11:27:44.80 -0.39 17.52 0.13 Manual
FR PLEF Sg 11:27:46.80 -0.02 17.52 0.13 Manual
FR GUEF Pg 11:27:52.21 -0.31 198.62 0.51 Manual
FR GUEF Sg 11:27:58.100 -0.4 198.62 0.51 Manual
FR BEGF Pg 11:27:57.24 0.04 173.45 0.76 Manual
FR BEGF Sg 11:28:08.26 0.75 173.45 0.76 Manual
FR LOUF Pg 11:27:57.18 -0.58 67.15 0.79 Manual
FR LOUF Sg 11:28:09.17 0.68 67.15 0.79 Manual
FR LOCF Pg 11:28:00.3 0.21 290.2 0.91 Manual
FR LOCF Sg 11:28:12.82 0.75 290.2 0.91 Manual
FR MTNF Pg 11:28:02.32 0.07 95.03 1.04 Manual
FR MTNF Sg 11:28:16.93 0.67 95.03 1.04 Manual
FR SROF Pg 11:28:03.35 0.23 51.15 1.08 Manual
FR SROF Sg 11:28:18.22 0.45 51.15 1.08 Manual