This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.3 MLv |
| Local datetime | 2017/08/28 12:03 |
| Universal datetime | 2017/08/28 10:03 |
| Latitude | 45.33 ° ± 2 km |
| Longitude | 4.56 ° ± 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 
|
18 | 172565 |
| Saint-Chamond
|
16 | 34967 |
| Annonay
|
12 | 16345 |
| Rive-de-Gier
|
22 | 15184 |
| Le Chambon-Feugerolles
|
19 | 12317 |
| Roche-la-Molière
|
21 | 9697 |
| Roussillon
|
21 | 8455 |
| Sorbiers
|
21 | 7933 |
| La Ricamarie
|
17 | 7906 |
| La Talaudière
|
20 | 6860 |
| Le Péage-de-Roussillon
|
18 | 6680 |
| Saint-Jean-Bonnefonds
|
16 | 6638 |
| Saint-Maurice-l'Exil
|
18 | 6141 |
| Saint-Priest-en-Jarez
|
22 | 6120 |
| La Grand-Croix
|
19 | 5136 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.43 |
| Azimuthal gap | 94.93 ° |
| Number of stations used | 10 |
| 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 | 10:03:31.23 | -0.3 | 192.7 | 0.05 | Manual |
| G | SSB | Sg | 10:03:32.32 | 0.05 | 192.7 | 0.05 | Manual |
| FR | OGCB | Pg | 10:03:41.75 | -0.19 | 141.41 | 0.61 | Manual |
| FR | OGCB | Sg | 10:03:51.11 | 0.64 | 141.41 | 0.61 | Manual |
| FR | OGSM | Pg | 10:03:45.96 | -0.34 | 70.43 | 0.85 | Manual |
| FR | OGSM | Pn | 10:03:47.57 | -0.94 | 70.43 | 0.85 | Manual |
| FR | BANN | Pn | 10:03:49.75 | -0.87 | 196.71 | 1 | Manual |
| FR | BANN | Sg | 10:04:03.83 | 0.67 | 196.71 | 1 | Manual |
| RD | ORIF | Pn | 10:03:50.63 | -0.25 | 113.33 | 1.02 | Manual |
| FR | OGRV | Pg | 10:03:50.16 | 0.59 | 7.53 | 1.02 | Manual |
| FR | OGRV | Sg | 10:04:04.20 | 0.38 | 7.53 | 1.02 | Manual |
| FR | OGMY | Pg | 10:03:50.91 | 0.22 | 59.03 | 1.08 | Manual |
| FR | OGMY | Sg | 10:04:05.73 | -0.04 | 59.03 | 1.08 | Manual |
| FR | OGGM | Pn | 10:03:52.9 | 0.06 | 95.94 | 1.11 | Manual |
| FR | OGGM | Sg | 10:04:06.73 | 0.2 | 95.94 | 1.11 | Manual |
| FR | PYM | Pn | 10:03:52.100 | 0.15 | 291.63 | 1.17 | Manual |
| FR | PYM | Sg | 10:04:08.38 | -0.11 | 291.63 | 1.17 | Manual |
| FR | OGVG | Pn | 10:03:53.75 | 0.25 | 114.55 | 1.22 | Manual |
| FR | OGVG | Sg | 10:04:09.88 | -0.17 | 114.55 | 1.22 | Manual |