This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.8 MLv
Local datetime 2023/04/03 14:03
Universal datetime 2023/04/03 12:03
Latitude 48.16 ° ± 0.1 km
Longitude -0.26 ° ± 0.2 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  39 142946
Laval  39 49728
Alençon  41 25848
Mayenne  31 12841
Sablé-sur-Sarthe  36 12220
Allonnes  38 11098
Évron  12 8671
Coulaines  38 7423
Saint-Berthevin  44 7344
Changé  46 6519
Bonchamp-lès-Laval  34 6037
Changé  40 6020
Arnage  42 5311
Mulsanne  46 5238
La Ferté Macé  47 5237

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.36
Azimuthal gap 101.26 °
Number of stations used 8
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 12:03:23.83 -0.58 55.94 0.26 Manual
FR SOMF Sg 12:03:27.16 -0.57 55.94 0.26 Manual
FR MTNF Pg 12:03:26.89 -0.31 286.92 0.41 Manual
FR DAUF Pg 12:03:29.1 0.07 186.82 0.5 Manual
FR DAUF Sg 12:03:35.62 -0.02 186.82 0.5 Manual
FR GIZF Pg 12:03:34.94 0.2 157.2 0.81 Manual
FR LOUF Pg 12:03:35.87 0.28 307.84 0.86 Manual
FR RIAF Pg 12:03:38.13 0.62 227.8 0.96 Manual
FR SROF Pg 12:03:39.38 0.16 328.13 1.05 Manual
FR SROF Sg 12:03:53.76 0.31 328.13 1.05 Manual
FR GOTF Pg 12:03:40.6 0.14 37.33 1.09 Manual