This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.5 MLv
Local datetime 2023/10/20 11:50
Universal datetime 2023/10/20 09:50
Latitude 48.47 ° ± 0.3 km
Longitude -1.82 ° ± 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
Saint-Malo  22 46097
Dinan  18 14166
Pacé  36 11739
Betton  35 11735
Dinard  25 10027
Saint-Grégoire  36 9639
Thorigné-Fouillard  39 8463
Liffré  37 7609
Pleurtuit  22 6806
Melesse  30 6576
Combourg  9 5940
Montauban-de-Bretagne  35 5840
Dol-de-Bretagne  9 5693
Gévezé  29 5301
Cancale  24 5121

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 61.82 °
Number of stations used 12
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 LOUF Pg 09:50:57.54 -0.15 59.85 0.41 Manual
FR MTNF Pg 09:51:02.65 -0.09 106.91 0.68 Manual
FR MTNF Sg 09:51:11.95 0.07 106.91 0.68 Manual
FR SROF Pg 09:51:04.13 0.25 39.04 0.74 Manual
GB JSA Pg 09:51:04.21 0.09 341.98 0.75 Manual
FR GUEF Pg 09:51:05.16 0.13 223.31 0.8 Manual
FR BEGF Pg 09:51:07.11 0.06 199.32 0.91 Manual
FR BEGF Sg 09:51:19.24 -0.11 199.32 0.91 Manual
FR BESN Pg 09:51:07.39 0.31 8.35 0.91 Manual
RD ROSF Pn 09:51:09.36 -0.29 262.49 0.98 Manual
FR RIAF Pg 09:51:09.23 0.05 160.54 1.02 Manual
FR RIAF Sg 09:51:22.93 -0.12 160.54 1.02 Manual
FR LOCF Pg 09:51:13.34 -0.04 280.16 1.25 Manual
FR LOCF Sg 09:51:29.79 -0.5 280.16 1.25 Manual
FR SOMF Pg 09:51:13.89 0.34 97.28 1.26 Manual
FR DAUF Pg 09:51:13.93 0.08 129.09 1.28 Manual