This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.7 MLv
Local datetime 2022/01/20 12:14
Universal datetime 2022/01/20 11:14
Latitude 47.50 ° ± 3 km
Longitude -2.28 ° ± 3 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  24 16132
Guérande  22 15873
Pontchâteau  16 10684
Pornichet  27 10669
Redon  23 9014
Donges  25 7961
Trignac  22 7868
Questembert  21 7585
Montoir-de-Bretagne  23 7088
Herbignac  7 6822
Saint-André-des-Eaux  20 6473
Missillac  8 5342
Plessé  30 5248
Muzillac  15 5015

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.45
Azimuthal gap 120.33 °
Number of stations used 9
Number of phases used 17

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 11:14:12.76 -0.25 7.4 0.11 Manual
FR BEGF Sg 11:14:14.54 0.08 7.4 0.11 Manual
FR GUEF Pg 11:14:19.18 -0.3 328.51 0.45 Manual
FR GUEF Sg 11:14:25.86 0.35 328.51 0.45 Manual
FR BOUF Pg 11:14:21.2 -0.41 127.73 0.56 Manual
FR BOUF Sg 11:14:29.17 0.25 127.73 0.56 Manual
FR BIMF Pg 11:14:22.73 -0.4 254.55 0.65 Manual
FR PLOF Pg 11:14:25.50 -0.7 287.87 0.81 Manual
FR PLOF Sg 11:14:37.68 0.5 287.87 0.81 Manual
RD ROSF Pg 11:14:31.22 0.29 321.73 1.07 Manual
RD ROSF Sg 11:14:46.31 0.94 321.73 1.07 Manual
FR LGIF Pg 11:14:33.46 -0.06 149.8 1.21 Manual
FR LGIF Sg 11:14:50.43 0.57 149.8 1.21 Manual
FR OLIV Pg 11:14:35.42 -0.31 289.18 1.32 Manual
FR OLIV Sg 11:14:53.94 0.27 289.18 1.32 Manual
FR LOCF Pg 11:14:38.88 -0.12 322.14 1.5 Manual
FR LOCF Sg 11:14:58.64 -0.69 322.14 1.5 Manual