This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.8 MLv |
| Local datetime | 2021/10/11 11:54 |
| Universal datetime | 2021/10/11 09:54 |
| Latitude | 45.82 ° ± 8 km |
| Longitude | -0.82 ° ± 5 km |
| Depth | 0 km (operator assigned) ± 0.0 km |
Near cities
This table shows only the most populated cities around the epicenter.
| Name | Distance (km) | Population |
|---|---|---|
Saintes 
|
15 | 25470 |
| Rochefort
|
19 | 24151 |
| Cognac
|
40 | 18825 |
| Royan
|
26 | 18398 |
| Aytré
|
42 | 8725 |
| Périgny
|
43 | 8428 |
| Tonnay-Charente
|
17 | 8010 |
| Saujon
|
18 | 7165 |
| Saint-Jean-d'Angély
|
27 | 6976 |
| Surgères
|
32 | 6807 |
| Saint-Pierre-d'Oléron
|
40 | 6743 |
| Marennes-Hiers-Brouage
|
20 | 6252 |
| Châtelaillon-Plage
|
35 | 5846 |
| Dompierre-sur-Mer
|
45 | 5482 |
| Saint-Georges-de-Didonne
|
27 | 5360 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.36 |
| Azimuthal gap | 257.92 ° |
| Number of stations used | 6 |
| Number of phases used | 10 |
Webservices
The data of this event are available in various formats (QuakeML, GeoJSON and text) through the following links :
Phases
| Network | Station | Phase | Time | Residual (s) | Azimuth (°) | Distance (°) | Mode |
|---|---|---|---|---|---|---|---|
| FR | LGIF | Pg | 09:54:16.54 | -0.31 | 327.66 | 0.76 | Manual |
| FR | GNEF | Pg | 09:54:18.65 | 0.14 | 69.74 | 0.85 | Manual |
| FR | GNEF | Sg | 09:54:29.48 | -0.52 | 69.74 | 0.85 | Manual |
| RD | MFF | Pg | 09:54:19.87 | 0.17 | 30.42 | 0.91 | Manual |
| RD | MFF | Sg | 09:54:32.48 | 0.42 | 30.42 | 0.91 | Manual |
| FR | CRNF | Pg | 09:54:27.59 | 0.25 | 4.95 | 1.32 | Manual |
| FR | CRNF | Sg | 09:54:44.59 | -0.68 | 4.95 | 1.32 | Manual |
| FR | DAUF | Pg | 09:54:37.31 | 0.31 | 9.65 | 1.87 | Manual |
| FR | DAUF | Sg | 09:55:03.19 | 0.28 | 9.65 | 1.87 | Manual |
| FR | BEGF | Sg | 09:55:08.63 | -0.05 | 331.59 | 2.06 | Manual |