This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.7 MLv |
| Local datetime | 2017/03/30 12:18 |
| Universal datetime | 2017/03/30 10:18 |
| Latitude | 45.04 ° ± 3 km |
| Longitude | 4.02 ° ± 3 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 |
|---|---|---|
Saint-Étienne 
|
52 | 172565 |
| Le Puy-en-Velay
|
10 | 18995 |
| Firminy
|
43 | 17135 |
| Annonay
|
55 | 16345 |
| Saint-Just-Saint-Rambert
|
53 | 15083 |
| Le Chambon-Feugerolles
|
46 | 12317 |
| Roche-la-Molière
|
49 | 9697 |
| Monistrol-sur-Loire
|
30 | 8718 |
| Unieux
|
45 | 8597 |
| Villars
|
54 | 7970 |
| La Ricamarie
|
49 | 7906 |
| Yssingeaux
|
14 | 7202 |
| Saint-Genest-Lerpt
|
52 | 6131 |
| Aurec-sur-Loire
|
39 | 6111 |
| Sainte-Sigolène
|
28 | 5959 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.4 |
| Azimuthal gap | 97.99 ° |
| Number of stations used | 13 |
| Number of phases used | 19 |
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 |
|---|---|---|---|---|---|---|---|
| G | SSB | Pg | 10:18:38.96 | -0.44 | 57.4 | 0.44 | Manual |
| G | SSB | Sg | 10:18:45.15 | -0.39 | 57.4 | 0.44 | Manual |
| RA | OCSF | Pg | 10:18:43.32 | -0.03 | 269.52 | 0.65 | Manual |
| RA | OCSF | Sg | 10:18:52.40 | -0.02 | 269.52 | 0.65 | Manual |
| FR | BANN | Pg | 10:18:43.75 | -0.14 | 171.53 | 0.68 | Manual |
| FR | BANN | Sg | 10:18:52.86 | -0.51 | 171.53 | 0.68 | Manual |
| FR | OGCB | Pg | 10:18:46.8 | 0.16 | 103.73 | 0.79 | Manual |
| FR | PYM | Pg | 10:18:50.31 | 0.44 | 315.26 | 1 | Manual |
| FR | PYM | Sg | 10:19:03.40 | -0.42 | 315.26 | 1 | Manual |
| FR | GRN | Pg | 10:18:54.50 | 0.26 | 80.17 | 1.24 | Manual |
| FR | OGSM | Pg | 10:18:54.94 | -0.71 | 63.87 | 1.31 | Manual |
| RD | ORIF | Pg | 10:18:55.82 | -0.09 | 94.73 | 1.33 | Manual |
| FR | OG35 | Pn | 10:18:58.61 | 0.8 | 46.94 | 1.48 | Manual |
| FR | OGGM | Pn | 10:18:58.39 | 0.4 | 83.01 | 1.5 | Manual |
| FR | OGGM | Sn | 10:19:18.20 | 0.14 | 83.01 | 1.5 | Manual |
| FR | OGVG | Pg | 10:18:59.5 | -0.14 | 97.96 | 1.51 | Manual |
| FR | OGMY | Pn | 10:18:58.60 | -0.28 | 56.88 | 1.56 | Manual |
| FR | OGMY | Pg | 10:19:00.41 | 0.22 | 56.88 | 1.56 | Manual |
| FR | BSTF | Pn | 10:19:01.53 | 0.73 | 136.24 | 1.7 | Manual |