This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 2.1 MLv
Local datetime 2022/10/20 11:57
Universal datetime 2022/10/20 09:57
Latitude 47.49 ° ± 0.2 km
Longitude -2.30 ° ± 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  20 15873
Saint-Brevin-les-Pins  30 13802
Pontchâteau  17 10684
Pornichet  26 10669
Redon  25 9014
Donges  25 7961
Trignac  21 7868
Questembert  22 7585
Montoir-de-Bretagne  22 7088
Herbignac  5 6822
Saint-André-des-Eaux  19 6473
Missillac  9 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 0.24
Azimuthal gap 106.02 °
Number of stations used 11
Number of phases used 20

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 09:57:38.57 -0.04 11.2 0.12 Manual
FR BEGF Sg 09:57:40.29 0.08 11.2 0.12 Manual
FR GUEF Pg 09:57:44.89 -0.03 330.19 0.46 Manual
FR BOUF Pg 09:57:46.97 0.13 126.31 0.56 Manual
FR BOUF Sg 09:57:53.92 -0.43 126.31 0.56 Manual
FR BIMF Pg 09:57:48.51 0.23 255.18 0.64 Manual
FR BIMF Sg 09:57:56.54 -0.33 255.18 0.64 Manual
FR PLOF Pg 09:57:51.41 -0.05 288.74 0.81 Manual
FR PLOF Pn 09:57:53.61 -0.01 288.74 0.81 Manual
FR PLOF Sg 09:58:02.20 -0.16 288.74 0.81 Manual
RD ROSF Pg 09:57:56.60 0.26 322.46 1.07 Manual
RD ROSF Sg 09:58:11.21 0.4 322.46 1.07 Manual
FR CRNF P 09:57:58.67 0.32 107.11 1.18 Manual
FR CRNF Sg 09:58:14.21 -0.06 107.11 1.18 Manual
FR LGIF P 09:57:58.55 -0.27 149.16 1.2 Manual
FR LGIF S 09:58:15.34 0.23 149.16 1.2 Manual
FR MTNF P 09:57:59.92 0.35 50.87 1.25 Manual
FR MTNF Sg 09:58:16.19 -0.44 50.87 1.25 Manual
FR DAUF Pg 09:58:01.27 0.12 82.04 1.33 Manual
FR LOUF Pg 09:58:01.84 0 29.42 1.36 Manual