This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.9 MLv
Local datetime 2022/01/12 12:15
Universal datetime 2022/01/12 11:15
Latitude 47.50 ° ± 3 km
Longitude -2.30 ° ± 3 km
Depth 0 km (from location) ± 9 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  21 15873
Pontchâteau  17 10684
Pornichet  27 10669
Redon  24 9014
Theix-Noyalo  30 7966
Donges  25 7961
Trignac  22 7868
Questembert  21 7585
Montoir-de-Bretagne  23 7088
Herbignac  6 6822
Saint-André-des-Eaux  20 6473
Missillac  9 5342
Muzillac  14 5015

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.34
Azimuthal gap 138.86 °
Number of stations used 8
Number of phases used 15

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 11:15:45.57 -0.25 12.93 0.12 Manual
FR BEGF Sg 11:15:47.40 0.1 12.93 0.12 Manual
FR GUEF Pg 11:15:51.96 -0.18 329.8 0.45 Manual
FR GUEF Sg 11:15:58.48 0.38 329.8 0.45 Manual
FR PLOF Pg 11:15:58.20 -0.55 288.16 0.8 Manual
FR LGIF Pn 11:16:06.8 -0.41 149.3 1.21 Manual
FR LGIF Pg 11:16:07.2 0.65 149.3 1.21 Manual
FR LGIF Sg 11:16:22.52 -0.24 149.3 1.21 Manual
FR MTNF Pg 11:16:06.99 -0.01 51.25 1.25 Manual
FR MTNF Sg 11:16:23.53 -0.33 51.25 1.25 Manual
FR OLIV Pn 11:16:08.45 0.56 289.37 1.31 Manual
FR DAUF Pn 11:16:08.30 0.23 82.43 1.33 Manual
FR DAUF Sg 11:16:26.78 0.27 82.43 1.33 Manual
FR LOCF Pg 11:16:11.72 0.09 322.49 1.49 Manual
FR LOCF Sn 11:16:31.41 -0.08 322.49 1.49 Manual