This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.5 MLv
Local datetime 2023/06/23 11:21
Universal datetime 2023/06/23 09:21
Latitude 46.97 ° ± 0.3 km
Longitude -0.27 ° ± 0.5 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
Saumur  36 26734
Chemillé-en-Anjou  43 21392
Bressuire  21 19519
Thouars  1 13990
Doué-en-Anjou  24 11005
Brissac Loire Aubance  43 10807
Parthenay  37 10267
Gennes-Val-de-Loire  40 8724
Mauléon  36 8519
Chinon  45 8242
Lys-Haut-Layon  24 7880
Loudun  28 6747
Bellevigne-en-Layon  39 5730
Nueil-les-Aubiers  25 5541
Moncoutant-sur-Sèvre  38 5046

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.39
Azimuthal gap 72.87 °
Number of stations used 14
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 09:21:17.40 -0.4 301.94 0.31 Manual
FR CRNF Sg 09:21:22.9 0.3 301.94 0.31 Manual
RD MFF Pg 09:21:18.71 -0.51 167.01 0.38 Manual
RD MFF Sg 09:21:23.94 -0.34 167.01 0.38 Manual
FR GIZF Pg 09:21:22.33 0.2 36.18 0.54 Manual
FR DAUF Pg 09:21:24.87 -0.07 355.36 0.69 Manual
Z4 PSIS3 Pg 09:21:27.95 0.5 204.64 0.82 Manual
Z4 PSIS5 Pg 09:21:28.31 0.62 202.72 0.84 Manual
FR RIAF Pg 09:21:28.51 -0.14 307.24 0.89 Manual
FR LGIF Pg 09:21:29.50 -0.05 236.91 0.94 Manual
FR BOUF Pg 09:21:29.69 -0.17 281.78 0.95 Manual
FR GNEF Pg 09:21:29.28 -0.76 154.35 0.96 Manual
FR SOMF Pn 09:21:36.56 -0.02 9.26 1.34 Manual
FR MTNF Pn 09:21:36.62 -0.13 343.52 1.36 Manual
FR GARF Pn 09:21:37.43 0.63 109.05 1.36 Manual
FR BEGF Pn 09:21:38.100 0.3 296.02 1.5 Manual