This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.8 MLv
Local datetime 2022/12/08 13:08
Universal datetime 2022/12/08 12:08
Latitude 48.19 ° ± 0.2 km
Longitude -0.25 ° ± 0.1 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
Le Mans  40 142946
Laval  41 49728
Alençon  37 25848
Mayenne  30 12841
Sablé-sur-Sarthe  39 12220
Allonnes  39 11098
Évron  14 8671
Coulaines  38 7423
Saint-Berthevin  46 7344
Changé  47 6519
Bonchamp-lès-Laval  36 6037
Changé  42 6020
Arnage  44 5311
Mulsanne  47 5238
La Ferté Macé  44 5237

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.25
Azimuthal gap 94.04 °
Number of stations used 9
Number of phases used 11

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 SOMF Pg 12:08:57.64 0.01 60.85 0.23 Manual
FR MTNF Pg 12:09:00.89 -0.02 282.45 0.41 Manual
FR MTNF Sg 12:09:06.19 -0.13 282.45 0.41 Manual
FR DAUF Pg 12:09:02.98 -0.23 187.45 0.53 Manual
FR TSDF Pg 12:09:05.50 0.15 132.31 0.65 Manual
FR GIZF Pg 12:09:08.57 -0.32 158.61 0.84 Manual
FR LOUF Pg 12:09:09.41 0.32 305.83 0.85 Manual
FR RIAF Pg 12:09:12.10 0.39 226.87 0.99 Manual
FR RIAF Sg 12:09:25.50 0.44 226.87 0.99 Manual
FR SROF Pn 12:09:13.56 0 326.81 1.03 Manual
FR CRNF Pg 12:09:13.67 0.13 194.53 1.09 Manual