This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.7 MLv
Local datetime 2023/07/10 11:21
Universal datetime 2023/07/10 09:21
Latitude 47.32 ° ± 0.2 km
Longitude -2.12 ° ± 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-Nazaire  11 69993
La Baule-Escoublac  18 16132
Guérande  22 15873
Pornic  23 15018
Saint-Brevin-les-Pins  9 13802
Pontchâteau  13 10684
Pornichet  16 10669
Savenay  16 8679
Donges  4 7961
Trignac  7 7868
Montoir-de-Bretagne  2 7088
Herbignac  20 6822
Chaumes-en-Retz  25 6759
Saint-André-des-Eaux  14 6473
Missillac  19 5342

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.22
Azimuthal gap 120.56 °
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 BEGF Pg 09:21:46.42 -0.1 342.08 0.31 Manual
FR BEGF Sg 09:21:50.37 -0.15 342.08 0.31 Manual
FR BOUF Pg 09:21:47.53 -0.12 116 0.37 Manual
FR RIAF Pg 09:21:51.12 -0.47 71.17 0.58 Manual
FR GUEF Pg 09:21:52.99 -0.15 328.69 0.66 Manual
FR BIMF Pg 09:21:54.70 0.23 270.71 0.73 Manual
FR PLOF Pg 09:21:59.39 0.31 296.06 0.98 Manual
FR LGIF Pg 09:21:59.52 0.19 150.15 1 Manual
FR CRNF Pg 09:22:00.17 0.37 100.06 1.02 Manual
FR PLEF Pg 09:22:02.83 0.05 353.17 1.18 Manual
FR PLEF Sg 09:22:18.61 -0.15 353.17 1.18 Manual
FR DAUF Pg 09:22:04.15 0.14 73.63 1.25 Manual
FR DAUF Sg 09:22:20.73 -0.15 73.63 1.25 Manual
RD ROSF Pg 09:22:04.74 0.17 323 1.28 Manual
FR MTNF Pg 09:22:04.87 0.21 41.7 1.28 Manual
FR MTNF Sg 09:22:22.8 0.06 41.7 1.28 Manual