This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.6 MLv
Local datetime 2023/07/28 11:23
Universal datetime 2023/07/28 09:23
Latitude 46.75 ° ± 0.9 km
Longitude -0.42 ° ± 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
Niort  47 58707
Bressuire  12 19519
Les Herbiers  48 15958
Thouars  28 13990
Fontenay-le-Comte  44 13226
Parthenay  18 10267
Mauléon  33 8519
Lys-Haut-Layon  43 7880
Chauray  45 7006
Saint-Maixent-l'École  41 6982
Sèvremont  34 6486
La Crèche  44 5635
Nueil-les-Aubiers  25 5541
Pouzauges  31 5514
Moncoutant-sur-Sèvre  14 5046

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.51
Azimuthal gap 96.21 °
Number of stations used 9
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 09:24:02.45 -0.48 128.64 0.24 Manual
RD MFF Sg 09:24:05.96 -0.07 128.64 0.24 Manual
FR CRNF Pg 09:24:05.87 -0.31 337.55 0.41 Manual
FR CRNF Sg 09:24:12.26 0.57 337.55 0.41 Manual
Z4 PSIS3 Pg 09:24:09.95 0.68 204.53 0.58 Manual
Z4 PSIS3 Sg 09:24:17.36 0.27 204.53 0.58 Manual
FR CHIF Pg 09:24:10.34 0.33 179.24 0.62 Manual
FR CHIF Sg 09:24:18.8 -0.28 179.24 0.62 Manual
FR LGIF Pg 09:24:12.35 0.06 246.9 0.74 Manual
FR GNEF Pg 09:24:13.17 -0.73 141.16 0.83 Manual
FR GNEF Sg 09:24:24.53 -0.58 141.16 0.83 Manual
FR DAUF Pg 09:24:15.59 0.2 2.79 0.91 Manual
FR DAUF Sg 09:24:27.75 0.06 2.79 0.91 Manual
FR GARF Pn 09:24:24.57 0.8 99 1.4 Manual
FR GARF Sn 09:24:43.14 -0.75 99 1.4 Manual
FR ABJF Pn 09:24:24.72 0.53 144.77 1.44 Manual
FR ABJF Sn 09:24:43.91 -0.76 144.77 1.44 Manual