This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.6 MLv
Local datetime 2022/05/11 10:28
Universal datetime 2022/05/11 08:28
Latitude 47.50 ° ± 4 km
Longitude -2.31 ° ± 4 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  23 16132
Guérande  20 15873
Pontchâteau  18 10684
Pornichet  26 10669
Redon  25 9014
Theix-Noyalo  30 7966
Donges  26 7961
Trignac  22 7868
Questembert  21 7585
Montoir-de-Bretagne  24 7088
Herbignac  6 6822
Saint-André-des-Eaux  19 6473
Missillac  10 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 0.22
Azimuthal gap 196.49 °
Number of stations used 8
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 08:28:25.93 -0.22 15.92 0.12 Manual
FR BEGF Sg 08:28:27.77 0.06 15.92 0.12 Manual
FR GUEF Pg 08:28:32.33 -0.03 330.86 0.45 Manual
FR GUEF Sg 08:28:38.54 0.23 330.86 0.45 Manual
FR BOUF Pg 08:28:34.47 -0.17 126.18 0.57 Manual
FR BOUF Sg 08:28:42.24 -0.05 126.18 0.57 Manual
FR RIAF Pg 08:28:36.53 -0.1 88.91 0.68 Manual
FR RIAF Sg 08:28:46.34 0.58 88.91 0.68 Manual
FR PLEF Pg 08:28:42.70 0.11 359.14 1 Manual
FR PLEF Sg 08:28:56.10 0.03 359.14 1 Manual
RD ROSF Pg 08:28:44.10 0.34 322.66 1.06 Manual
RD ROSF Sg 08:28:57.77 -0.32 322.66 1.06 Manual
FR MTNF Pg 08:28:47.22 -0.16 51.31 1.25 Manual
FR MTNF Sg 08:29:04.15 -0.2 51.31 1.25 Manual
FR DAUF Pn 08:28:48.46 0.06 82.3 1.34 Manual
FR DAUF Sg 08:29:06.83 -0.16 82.3 1.34 Manual