This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.6 MLv |
| Local datetime | 2023/04/18 11:26 |
| Universal datetime | 2023/04/18 09:26 |
| Latitude | 45.98 ° ± 2 km |
| Longitude | 4.09 ° ± 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 
|
8 | 34366 |
| Montbrison
|
42 | 15641 |
| Thiers
|
44 | 11847 |
| Riorges
|
8 | 10774 |
| Tarare
|
27 | 10582 |
| Feurs
|
29 | 8173 |
| Mably
|
13 | 7605 |
| Gleizé
|
46 | 7472 |
| Le Coteau
|
4 | 6872 |
| L'Arbresle
|
43 | 6398 |
| Thizy-les-Bourgs
|
20 | 6031 |
| Saint-Galmier
|
45 | 5722 |
| Chazelles-sur-Lyon
|
45 | 5357 |
| Montrond-les-Bains
|
40 | 5302 |
| Vindry-sur-Turdine
|
33 | 5133 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.32 |
| Azimuthal gap | 69.19 ° |
| Number of stations used | 19 |
| Number of phases used | 34 |
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 | 09:27:00.80 | 0.05 | 267.91 | 0.33 | Manual |
| FR | PLDF | Sg | 09:27:05.50 | 0.23 | 267.91 | 0.33 | Manual |
| FR | COLF | Pg | 09:27:04.84 | -0.12 | 210.19 | 0.55 | Manual |
| FR | COLF | Sg | 09:27:12.85 | 0.2 | 210.19 | 0.55 | Manual |
| FR | CHLF | Pg | 09:27:05.65 | -0.3 | 343.84 | 0.6 | Manual |
| FR | AGO | Pg | 09:27:07.34 | 0.17 | 276.52 | 0.67 | Manual |
| FR | AGO | Sg | 09:27:16.81 | 0.31 | 276.52 | 0.67 | Manual |
| G | SSB | Sg | 09:27:19.67 | 0.01 | 155.35 | 0.77 | Manual |
| XX | BNLF | Pg | 09:27:11.84 | 0.35 | 245.61 | 0.9 | Manual |
| XX | BNLF | Sg | 09:27:24.8 | 0.02 | 245.61 | 0.9 | Manual |
| XX | CHBN | Pg | 09:27:12.40 | 0.53 | 245.37 | 0.92 | Manual |
| XX | CHBN | Sg | 09:27:24.75 | 0.03 | 245.37 | 0.92 | Manual |
| FR | LBL | Pg | 09:27:12.18 | -0.22 | 218.69 | 0.95 | Manual |
| FR | LBL | Sg | 09:27:25.33 | -0.33 | 218.69 | 0.95 | Manual |
| FR | CMPS | Pg | 09:27:13.22 | 0.38 | 236.61 | 0.98 | Manual |
| FR | CMPS | Sg | 09:27:25.70 | -0.7 | 236.61 | 0.98 | Manual |
| FR | SGSF | Pg | 09:27:12.70 | -0.36 | 199.72 | 0.99 | Manual |
| FR | SGSF | Sg | 09:27:26.84 | 0.05 | 199.72 | 0.99 | Manual |
| FR | PLYF | Pg | 09:27:14.48 | -0.28 | 24.56 | 1.08 | Manual |
| FR | PLYF | Sg | 09:27:30.5 | 0.28 | 24.56 | 1.08 | Manual |
| FR | HRSF | Pg | 09:27:15.42 | 0.17 | 299.93 | 1.11 | Manual |
| FR | HRSF | Sg | 09:27:30.76 | 0.15 | 299.93 | 1.11 | Manual |
| FR | VERF | Pg | 09:27:16.11 | 0.14 | 259.09 | 1.14 | Manual |
| FR | VERF | Sg | 09:27:31.46 | -0.43 | 259.09 | 1.14 | Manual |
| FR | OGSM | Pg | 09:27:16.92 | 0.21 | 107.55 | 1.18 | Manual |
| FR | OGSM | Sg | 09:27:32.76 | -0.44 | 107.55 | 1.18 | Manual |
| FR | FRNF | Pg | 09:27:17.80 | 0.35 | 241.58 | 1.22 | Manual |
| FR | FRNF | Sg | 09:27:34.7 | -0.4 | 241.58 | 1.22 | Manual |
| FR | OGMY | Pg | 09:27:18.67 | 0.53 | 93.75 | 1.26 | Manual |
| FR | OGMY | Sg | 09:27:35.50 | -0.17 | 93.75 | 1.26 | Manual |
| RD | LOR | Pg | 09:27:18.81 | -0.06 | 353.1 | 1.3 | Manual |
| RD | LOR | Sg | 09:27:36.32 | -0.66 | 353.1 | 1.3 | Manual |
| FR | OGCB | Pg | 09:27:19.45 | -0.03 | 147.44 | 1.33 | Manual |
| MT | RES | Pg | 09:27:21.8 | 0.35 | 121.49 | 1.4 | Manual |