This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.8 MLv
Local datetime 2023/03/17 10:27
Universal datetime 2023/03/17 09:27
Latitude 46.91 ° ± 0.1 km
Longitude -0.34 ° ± 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  45 21392
Bressuire  12 19519
Thouars  10 13990
Doué-en-Anjou  32 11005
Parthenay  30 10267
Mauléon  32 8519
Lys-Haut-Layon  28 7880
Loudun  35 6747
Sèvremont  40 6486
Bellevigne-en-Layon  43 5730
Nueil-les-Aubiers  20 5541
Pouzauges  40 5514
Moncoutant-sur-Sèvre  29 5046

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.31
Azimuthal gap 60.13 °
Number of stations used 12
Number of phases used 18

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 09:27:55.5 -0.48 316.78 0.31 Manual
FR CRNF Sg 09:27:59.50 -0.11 316.78 0.31 Manual
RD MFF Pg 09:27:55.68 -0.24 156.71 0.33 Manual
RD MFF Sg 09:28:00.33 0.04 156.71 0.33 Manual
FR GIZF Pg 09:28:01.20 -0.04 35.92 0.62 Manual
FR DAUF Pg 09:28:03.99 0.26 359.18 0.75 Manual
FR CHIF Pg 09:28:04.42 0.25 183.58 0.78 Manual
FR LGIF Pg 09:28:05.99 0.2 238.89 0.86 Manual
FR LGIF Sg 09:28:17.39 -0.06 238.89 0.86 Manual
FR RIAF Pg 09:28:06.53 0.14 312.33 0.9 Manual
FR BSCF Pg 09:28:06.83 0.15 96.05 0.91 Manual
FR BOUF Pg 09:28:06.98 0.03 286.32 0.93 Manual
FR BOUF Sg 09:28:19.41 -0.04 286.32 0.93 Manual
FR GNEF Pg 09:28:06.76 -0.19 149.98 0.93 Manual
FR GNEF Sg 09:28:20.49 1.02 149.98 0.93 Manual
FR GARF Pg 09:28:15.48 0.01 105.79 1.38 Manual
FR ABJF Pg 09:28:17.97 -0.33 149.88 1.54 Manual
FR ABJF Sg 09:28:38.90 -0.23 149.88 1.54 Manual