This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.8 MLv
Local datetime 2023/10/31 12:27
Universal datetime 2023/10/31 11:27
Latitude 48.40 ° ± 0.3 km
Longitude -2.60 ° ± 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  18 44372
Lamballe-Armor  11 16578
Dinan  41 14166
Plérin  21 14062
Ploufragan  18 11546
Loudéac  27 9571
Trégueux  14 8432
Langueux  14 7692
Pordic  25 7167
Binic-Étables-sur-Mer  30 7068
Guingamp  45 6895
Plédran  12 6666
Le Mené  14 6417
Ploumagoar  40 5434
Yffiniac  10 5010

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.28
Azimuthal gap 101.23 °
Number of stations used 13
Number of phases used 22

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 11:27:29.60 -0.07 61.24 0.2 Manual
FR PLEF Sg 11:27:32.66 0.36 61.24 0.2 Manual
RD ROSF Pg 11:27:34.28 -0.05 262.59 0.45 Manual
RD ROSF Sg 11:27:40.95 0.59 262.59 0.45 Manual
FR GUEF Pg 11:27:35.27 -0.13 182.36 0.51 Manual
FR GUEF Sg 11:27:42.16 -0.08 182.36 0.51 Manual
FR LOCF Pg 11:27:40.54 0.37 292.07 0.77 Manual
FR LOCF Pn 11:27:42.25 -0.29 292.07 0.77 Manual
FR BEGF Pg 11:27:41.9 0 163.56 0.82 Manual
FR BEGF Pn 11:27:43.12 -0.09 163.56 0.82 Manual
FR PLOF Pg 11:27:42.35 0.52 220.77 0.85 Manual
FR LOUF Pg 11:27:43.15 0.12 71.74 0.92 Manual
FR OLIV Pg 11:27:47.17 0.12 245.92 1.14 Manual
FR OLIV Sg 11:28:02.89 0.48 245.92 1.14 Manual
FR BIMF Pg 11:27:47.37 0.17 200.87 1.14 Manual
FR BIMF Sn 11:28:04.35 -0.42 200.87 1.14 Manual
FR BESN Pg 11:27:47.67 -0.15 33.31 1.18 Manual
FR MTNF Pg 11:27:47.85 -0.01 95.39 1.18 Manual
FR MTNF Sg 11:28:04.2 0.2 95.39 1.18 Manual
FR RIAF Pg 11:27:49.20 0.16 135.28 1.24 Manual
FR RIAF Sg 11:28:05.64 -0.22 135.28 1.24 Manual
FR BOUF Pg 11:27:52.32 0.4 151.89 1.4 Manual