This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.4 MLv |
| Local datetime | 2023/04/07 10:36 |
| Universal datetime | 2023/04/07 08:36 |
| Latitude | 45.80 ° ± 3 km |
| Longitude | 3.90 ° ± 2 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 
|
31 | 34366 |
| Montbrison
|
26 | 15641 |
| Thiers
|
29 | 11847 |
| Riorges
|
29 | 10774 |
| Andrézieux-Bouthéon
|
41 | 9790 |
| Veauche
|
40 | 8984 |
| Feurs
|
26 | 8173 |
| Mably
|
35 | 7605 |
| Le Coteau
|
28 | 6872 |
| Ambert
|
29 | 6671 |
| Sury-le-Comtal
|
36 | 6552 |
| Lezoux
|
40 | 6152 |
| Saint-Galmier
|
39 | 5722 |
| Chazelles-sur-Lyon
|
41 | 5357 |
| Montrond-les-Bains
|
32 | 5302 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.25 |
| Azimuthal gap | 100.84 ° |
| Number of stations used | 12 |
| Number of phases used | 20 |
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 | PLDF | Pg | 08:36:39.75 | -0.19 | 310.68 | 0.26 | Manual |
| FR | PLDF | Sg | 08:36:43.83 | 0.32 | 310.68 | 0.26 | Manual |
| FR | COLF | Pg | 08:36:41.23 | -0.13 | 206.02 | 0.33 | Manual |
| FR | COLF | Sg | 08:36:45.90 | -0.08 | 206.02 | 0.33 | Manual |
| G | SSB | Pg | 08:36:47.62 | -0.35 | 138.83 | 0.69 | Manual |
| G | SSB | Sg | 08:36:57.42 | -0.12 | 138.83 | 0.69 | Manual |
| XX | BNLF | Pg | 08:36:48.68 | 0.14 | 254.21 | 0.72 | Manual |
| FR | LBL | Pg | 08:36:48.78 | 0.01 | 219.31 | 0.73 | Manual |
| XX | CHBN | Pg | 08:36:48.68 | -0.22 | 253.66 | 0.74 | Manual |
| FR | CHLF | Pg | 08:36:49.38 | 0.05 | 357.06 | 0.76 | Manual |
| FR | CMPS | Pg | 08:36:49.80 | 0.28 | 242.24 | 0.77 | Manual |
| FR | CMPS | Sg | 08:37:00.76 | 0.51 | 242.24 | 0.77 | Manual |
| FR | SGSF | Pg | 08:36:49.45 | -0.18 | 194.93 | 0.78 | Manual |
| FR | SGSF | Sg | 08:37:00.51 | 0.08 | 194.93 | 0.78 | Manual |
| FR | VERF | Pg | 08:36:53.49 | -0.16 | 267.7 | 0.99 | Manual |
| FR | VERF | Sg | 08:37:06.98 | -0.48 | 267.7 | 0.99 | Manual |
| FR | OGCB | Pg | 08:36:58.83 | 0.05 | 137.92 | 1.27 | Manual |
| FR | OGCB | Sg | 08:37:16.78 | 0.34 | 137.92 | 1.27 | Manual |
| FR | OGSM | Pg | 08:36:59.11 | 0.26 | 97.91 | 1.27 | Manual |
| FR | OGSM | Sg | 08:37:16.43 | -0.13 | 97.91 | 1.27 | Manual |