This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.9 MLv
Local datetime 2023/08/01 11:31
Universal datetime 2023/08/01 09:31
Latitude 46.53 ° ± 0.3 km
Longitude -0.32 ° ± 0.4 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
Niort  25 58707
Bressuire  38 19519
Fontenay-le-Comte  37 13226
Parthenay  14 10267
Chauray  20 7006
Saint-Maixent-l'École  15 6982
Melle  37 6213
Migné-Auxances  49 6071
Vouneuil-sous-Biard  45 5896
La Crèche  18 5635
Saint-Martin-la-Pallu  49 5546
Pouzauges  48 5514
Aiffres  28 5506
Neuville-de-Poitou  47 5324
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 0.39
Azimuthal gap 78.46 °
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
RD MFF Pg 09:31:04.19 0.37 57.94 0.14 Manual
RD MFF Sg 09:31:06.35 0.74 57.94 0.14 Manual
FR CHIF Pg 09:31:09.9 0.29 188.94 0.4 Manual
Z4 PSIS4 Pg 09:31:09.30 0.25 220.79 0.41 Manual
Z4 PSIS2 Pg 09:31:09.35 -0.08 229.96 0.43 Manual
Z4 PSIS3 Pg 09:31:09.28 -0.16 225.74 0.43 Manual
Z4 PSIS5 Pg 09:31:09.61 0.12 221.7 0.44 Manual
Z4 PSIS5 Sg 09:31:15.96 0.63 221.7 0.44 Manual
Z4 PSIS1 Pg 09:31:09.76 0.11 219.34 0.45 Manual
FR GNEF Pg 09:31:12.25 -0.58 133.2 0.62 Manual
FR CRNF Pg 09:31:13.35 -0.08 339.49 0.65 Manual
FR CRNF Sg 09:31:22.9 -0.07 339.49 0.65 Manual
FR LGIF Pg 09:31:15.40 -0.02 264.99 0.76 Manual
FR CLMF Pg 09:31:20.18 0.03 175.15 1.01 Manual
FR CLMF Sn 09:31:36.6 -0.78 175.15 1.01 Manual
FR RIAF Pg 09:31:23.1 -0.54 325.5 1.19 Manual
FR RIAF Sg 09:31:39.86 0.16 325.5 1.19 Manual