This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.4 MLv
Local datetime 2023/06/26 11:28
Universal datetime 2023/06/26 09:28
Latitude 47.49 ° ± 0.2 km
Longitude -2.29 ° ± 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  24 69993
La Baule-Escoublac  23 16132
Guérande  21 15873
Saint-Brevin-les-Pins  30 13802
Pontchâteau  16 10684
Pornichet  26 10669
Redon  24 9014
Donges  24 7961
Trignac  21 7868
Questembert  22 7585
Montoir-de-Bretagne  22 7088
Herbignac  6 6822
Saint-André-des-Eaux  19 6473
Missillac  8 5342
Muzillac  15 5015

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.25
Azimuthal gap 140.13 °
Number of stations used 9
Number of phases used 13

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 09:28:13.38 -0.03 8.98 0.12 Manual
FR BEGF Sg 09:28:15.4 0.08 8.98 0.12 Manual
FR GUEF Pg 09:28:19.82 0.03 329.49 0.46 Manual
FR GUEF Sg 09:28:25.84 -0.05 329.49 0.46 Manual
FR BOUF Pg 09:28:21.61 -0.03 126.81 0.56 Manual
FR BOUF Sg 09:28:29.17 0.06 126.81 0.56 Manual
FR RIAF Pg 09:28:23.31 -0.32 88.63 0.66 Manual
RD ROSF Pg 09:28:31.7 -0.16 322.17 1.07 Manual
FR CRNF Sg 09:28:49.5 0.06 107.29 1.17 Manual
FR LGIF Pg 09:28:33.96 0.29 149.43 1.2 Manual
FR MTNF Pg 09:28:34.86 0.4 50.8 1.24 Manual
FR MTNF Sg 09:28:51.95 0.64 50.8 1.24 Manual
FR OLIV Pg 09:28:36.5 0.12 289.56 1.32 Manual