This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.8 MLv |
| Local datetime | 2023/07/24 10:58 |
| Universal datetime | 2023/07/24 08:58 |
| Latitude | 45.94 ° ± 0.4 km |
| Longitude | 4.06 ° ± 0.6 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 |
|---|---|---|
Roanne 
|
11 | 34366 |
| Montbrison
|
38 | 15641 |
| Thiers
|
42 | 11847 |
| Riorges
|
11 | 10774 |
| Tarare
|
28 | 10582 |
| Feurs
|
27 | 8173 |
| Mably
|
16 | 7605 |
| Le Coteau
|
8 | 6872 |
| Sury-le-Comtal
|
46 | 6552 |
| L'Arbresle
|
44 | 6398 |
| Thizy-les-Bourgs
|
23 | 6031 |
| Saint-Galmier
|
43 | 5722 |
| Chazelles-sur-Lyon
|
43 | 5357 |
| Montrond-les-Bains
|
37 | 5302 |
| Vindry-sur-Turdine
|
34 | 5133 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.07 |
| Azimuthal gap | 166.62 ° |
| Number of stations used | 9 |
| 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 | COLF | Pg | 08:59:07.40 | 0.01 | 210.23 | 0.51 | Manual |
| FR | CHLF | Pg | 08:59:09.65 | 0.04 | 346.31 | 0.63 | Manual |
| FR | CHLF | Sg | 08:59:18.45 | 0.03 | 346.31 | 0.63 | Manual |
| FR | AGO | Sg | 08:59:19.20 | 0 | 279.6 | 0.66 | Manual |
| FR | CFF | Pg | 08:59:10.59 | -0.06 | 255.09 | 0.69 | Manual |
| G | SSB | Pg | 08:59:11.68 | -0.04 | 152.93 | 0.75 | Manual |
| FR | LBL | Pg | 08:59:14.95 | 0.1 | 219.07 | 0.91 | Manual |
| FR | SGSF | Sg | 08:59:28.64 | -0.07 | 199.31 | 0.95 | Manual |
| FR | HRSF | Pg | 08:59:18.27 | -0.15 | 301.91 | 1.11 | Manual |
| FR | VERF | Pg | 08:59:18.76 | 0.09 | 260.58 | 1.12 | Manual |