This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.8 MLv
Local datetime 2023/04/27 10:29
Universal datetime 2023/04/27 08:29
Latitude 46.92 ° ± 0.1 km
Longitude -0.33 ° ± 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
Cholet  44 53917
Saumur  43 26734
Chemillé-en-Anjou  44 21392
Bressuire  13 19519
Thouars  8 13990
Doué-en-Anjou  30 11005
Parthenay  32 10267
Mauléon  32 8519
Lys-Haut-Layon  26 7880
Loudun  34 6747
Sèvremont  41 6486
Bellevigne-en-Layon  42 5730
Nueil-les-Aubiers  20 5541
Pouzauges  41 5514
Moncoutant-sur-Sèvre  31 5046

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.21
Azimuthal gap 107.43 °
Number of stations used 10
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 CRNF Pg 08:30:05.21 -0.16 314.68 0.31 Manual
FR CRNF Sg 08:30:09.69 0.34 314.68 0.31 Manual
RD MFF Pg 08:30:05.88 -0.21 158.05 0.34 Manual
RD MFF Sg 08:30:10.46 -0.14 158.05 0.34 Manual
FR DAUF Pg 08:30:13.89 0.43 358.92 0.74 Manual
FR CHIF Pg 08:30:14.60 0.21 183.75 0.79 Manual
FR CHIF Sg 08:30:24.88 -0.16 183.75 0.79 Manual
FR LGIF Pg 08:30:15.91 -0.02 238.28 0.87 Manual
FR LGIF Sg 08:30:27.69 -0.03 238.28 0.87 Manual
FR RIAF Pg 08:30:16.33 0.09 311.58 0.89 Manual
FR BOUF Pg 08:30:16.76 -0.14 285.5 0.92 Manual
FR GNEF Pg 08:30:17.2 -0.08 150.55 0.94 Manual
FR GNEF Sg 08:30:30.6 0.31 150.55 0.94 Manual
FR GARF Pg 08:30:25.66 0.21 106.35 1.38 Manual
FR MTNF Pg 08:30:25.37 -0.3 345.76 1.4 Manual
FR MTNF Sg 08:30:44.58 0 345.76 1.4 Manual