This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.7 MLv
Local datetime 2023/07/05 12:33
Universal datetime 2023/07/05 10:33
Latitude 47.51 ° ± 0.2 km
Longitude -2.28 ° ± 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-Nazaire  25 69993
La Baule-Escoublac  24 16132
Guérande  22 15873
Pontchâteau  16 10684
Pornichet  27 10669
Redon  23 9014
Donges  25 7961
Trignac  22 7868
Questembert  21 7585
Montoir-de-Bretagne  23 7088
Herbignac  7 6822
Saint-André-des-Eaux  20 6473
Missillac  8 5342
Plessé  30 5248
Muzillac  15 5015

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.31
Azimuthal gap 104.51 °
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 BEGF Pg 10:33:02.96 -0.03 7.95 0.11 Manual
FR BEGF Sg 10:33:04.55 0.14 7.95 0.11 Manual
FR GUEF Pg 10:33:09.40 -0.06 328.44 0.45 Manual
FR BOUF Pg 10:33:11.27 -0.22 127.87 0.56 Manual
FR BOUF Sg 10:33:18.92 -0.09 127.87 0.56 Manual
FR BIMF Pg 10:33:12.80 -0.36 254.33 0.65 Manual
FR RIAF Pg 10:33:13.9 -0.26 89.51 0.66 Manual
FR PLOF Pg 10:33:16.23 0.03 287.73 0.81 Manual
FR PLOF Sg 10:33:27.3 -0.12 287.73 0.81 Manual
RD ROSF Pg 10:33:21.22 0.32 321.68 1.06 Manual
RD ROSF Sg 10:33:35.94 0.63 321.68 1.06 Manual
FR CRNF Pg 10:33:23.27 0.37 107.82 1.17 Manual
FR CRNF Sg 10:33:39.22 0.45 107.82 1.17 Manual
FR LGIF Pg 10:33:23.63 0.05 149.82 1.21 Manual
FR LGIF Sg 10:33:40.35 0.39 149.82 1.21 Manual
FR MTNF Pg 10:33:24.12 0.04 51.07 1.24 Manual
FR MTNF Sg 10:33:40.62 -0.19 51.07 1.24 Manual
FR DAUF Pg 10:33:25.52 -0.08 82.52 1.32 Manual
FR OLIV Pg 10:33:26.19 0.47 289.09 1.32 Manual
FR OLIV Sg 10:33:43.85 0.22 289.09 1.32 Manual
FR LOCF Pg 10:33:28.95 -0.02 322.1 1.5 Manual
FR LOCF Sg 10:33:48.51 -0.76 322.1 1.5 Manual