This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude -0.4 MLv
Local datetime 2023/08/25 04:48
Universal datetime 2023/08/25 02:48
Latitude 46.08 ° ± 1 km
Longitude -0.79 ° ± 0.6 km
Depth 21 km (from location) ± 0.8 km

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See the seismogram of this event.

Near cities

This table shows only the most populated cities around the epicenter.
Name Distance (km) Population
La Rochelle  31 75735
Niort  37 58707
Rochefort  21 24151
Aytré  26 8725
Périgny  25 8428
Tonnay-Charente  15 8010
Lagord  30 7048
Saint-Jean-d'Angély  26 6976
Surgères  3 6807
Marennes-Hiers-Brouage  36 6252
Puilboreau  28 6182
Châtelaillon-Plage  23 5846
Nieul-sur-Mer  32 5759
Aiffres  36 5506
Dompierre-sur-Mer  24 5482

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.19
Azimuthal gap 223.07 °
Number of stations used 9
Number of phases used 13

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
Z4 PSIS1 Pg 02:48:55.46 0 24.17 0.11 Manual
Z4 PSIS1 Sg 02:48:58.35 -0.05 24.17 0.11 Manual
Z4 PSIS5 Pg 02:48:55.65 0.06 17 0.12 Manual
Z4 PSIS5 Sg 02:48:58.59 -0.05 17 0.12 Manual
Z4 PSIS3 Sg 02:48:58.97 -0.03 6.2 0.14 Manual
Z4 PSIS4 Pg 02:48:55.88 0.08 23.35 0.14 Manual
Z4 PSIS4 Sg 02:48:58.98 -0.02 23.35 0.14 Manual
Z4 PSIS2 Sg 02:48:59.53 0.08 357.91 0.16 Manual
FR CHIF Pg 02:48:57.50 -0.01 79.43 0.27 Manual
FR LGIF Pg 02:49:02.26 -0.18 311.19 0.57 Manual
FR LGIF Sg 02:49:10.44 -0.15 311.19 0.57 Manual
RD MFF Sg 02:49:14.39 0.36 40.41 0.68 Manual
FR GNEF Sg 02:49:16.39 -0.51 88.12 0.78 Manual