This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.7 MLv
Local datetime 2023/12/12 11:31
Universal datetime 2023/12/12 10:31
Latitude 47.97 ° ± 0.4 km
Longitude -0.69 ° ± 0.6 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
Laval  11 49728
Vitré  41 18037
Segré-en-Anjou Bleu  32 17562
Château-Gontier-sur-Mayenne  17 16776
Mayenne  38 12841
Sablé-sur-Sarthe  29 12220
Ombrée d'Anjou  42 8998
Les Hauts-d'Anjou  32 8759
Évron  27 8671
Saint-Berthevin  16 7344
Longuenée-en-Anjou  47 6331
Bonchamp-lès-Laval  11 6037
Changé  17 6020
Erdre-en-Anjou  45 5746
Ernée  41 5731

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.33
Azimuthal gap 87.72 °
Number of stations used 7
Number of phases used 10

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 MTNF Pg 10:31:36.5 -0.16 340.47 0.32 Manual
FR MTNF Sg 10:31:40.30 -0.06 340.47 0.32 Manual
FR DAUF Pg 10:31:36.95 -0.54 144.14 0.39 Manual
FR SOMF Pg 10:31:41.77 0.42 56.42 0.59 Manual
FR RIAF Pg 10:31:42.52 0.49 222.4 0.63 Manual
FR LOUF Pg 10:31:44.94 -0.42 330.62 0.81 Manual
FR SROF Pg 10:31:51.23 0.29 345.5 1.11 Manual
FR SROF Sg 10:32:05.77 -0.17 345.5 1.11 Manual
FR BEGF Pg 10:31:51.20 0.03 251.9 1.12 Manual
FR BEGF Sg 10:32:06.7 -0.26 251.9 1.12 Manual