This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.8 MLv
Local datetime 2023/05/16 10:30
Universal datetime 2023/05/16 08:30
Latitude 46.91 ° ± 0.1 km
Longitude -0.33 ° ± 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
Cholet  44 53917
Saumur  44 26734
Chemillé-en-Anjou  44 21392
Bressuire  13 19519
Thouars  9 13990
Doué-en-Anjou  31 11005
Parthenay  31 10267
Mauléon  32 8519
Lys-Haut-Layon  27 7880
Loudun  35 6747
Sèvremont  41 6486
Bellevigne-en-Layon  43 5730
Nueil-les-Aubiers  20 5541
Pouzauges  41 5514
Moncoutant-sur-Sèvre  30 5046

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.3
Azimuthal gap 70.08 °
Number of stations used 12
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 CRNF Pg 08:30:57.61 0.02 315.67 0.31 Manual
FR CRNF Sg 08:31:01.92 0.28 315.67 0.31 Manual
RD MFF Pg 08:30:58.22 0.15 157.58 0.34 Manual
RD MFF Sg 08:31:02.73 0.23 157.58 0.34 Manual
FR GIZF Pg 08:31:03.68 0.47 35.97 0.61 Manual
FR DAUF Pg 08:31:06.10 0.38 358.93 0.75 Manual
FR CHIF Pg 08:31:06.88 0.52 183.79 0.78 Manual
FR LGIF Pg 08:31:07.65 -0.32 238.71 0.87 Manual
FR RIAF Pg 08:31:08.80 0.35 311.94 0.89 Manual
FR BOUF Pg 08:31:09.34 0.28 285.95 0.93 Manual
FR BOUF Sg 08:31:21.13 -0.45 285.95 0.93 Manual
FR GNEF Pg 08:31:09.2 -0.07 150.32 0.93 Manual
FR GNEF Sg 08:31:21.71 0.06 150.32 0.93 Manual
FR GARF Pg 08:31:17.61 0.08 106.05 1.38 Manual
FR GARF Sg 08:31:36.44 0.21 106.05 1.38 Manual
FR MTNF Pg 08:31:17.65 -0.27 345.84 1.4 Manual
FR SOMF Pg 08:31:17.76 -0.3 10.51 1.41 Manual