This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.8 MLv
Local datetime 2023/08/04 11:26
Universal datetime 2023/08/04 09:26
Latitude 46.97 ° ± 0.4 km
Longitude -0.28 ° ± 0.6 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  42 21392
Bressuire  20 19519
Thouars  2 13990
Doué-en-Anjou  24 11005
Brissac Loire Aubance  42 10807
Parthenay  37 10267
Gennes-Val-de-Loire  40 8724
Mauléon  36 8519
Chinon  46 8242
Lys-Haut-Layon  24 7880
Loudun  29 6747
Bellevigne-en-Layon  38 5730
Nueil-les-Aubiers  24 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 0.25
Azimuthal gap 156.58 °
Number of stations used 10
Number of phases used 14

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 09:26:19.55 -0.27 302.68 0.3 Manual
FR CRNF Sg 09:26:23.72 -0.02 302.68 0.3 Manual
RD MFF Pg 09:26:20.93 -0.41 166.08 0.38 Manual
RD MFF Sg 09:26:26.1 -0.4 166.08 0.38 Manual
FR DAUF Pg 09:26:27.18 0.13 355.87 0.69 Manual
FR CHIF Pg 09:26:30.10 0.15 186.01 0.84 Manual
Z4 PSIS1 Pg 09:26:30.39 0.4 201.35 0.85 Manual
FR RIAF Pg 09:26:30.61 -0.07 307.51 0.88 Manual
FR LGIF Pg 09:26:31.60 0.05 236.74 0.93 Manual
FR LGIF Sg 09:26:44.41 0.26 236.74 0.93 Manual
FR BOUF Pg 09:26:32.1 0.15 281.9 0.95 Manual
FR BOUF Sg 09:26:44.41 -0.26 281.9 0.95 Manual
FR SOMF Pn 09:26:38.94 0.23 9.5 1.35 Manual
FR BEGF Pn 09:26:40.49 -0.24 296.15 1.49 Manual