This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 2.1 MLv |
| Local datetime | 1997/07/21 01:21 |
| Universal datetime | 1997/07/20 23:21 |
| Latitude | 45.61 ° ± 1 km |
| Longitude | 3.76 ° ± 4 km |
| Depth | 5 km (operator assigned) ± 0.0 km |
Have you felt an earthquake ?
You can participate to science by bringing your testimony.
Testify !Near cities
This table shows only the most populated cities around the epicenter.
| Name | Distance (km) | Population |
|---|---|---|
Montbrison 
|
24 | 15641 |
| Saint-Just-Saint-Rambert
|
41 | 15083 |
| Issoire
|
41 | 14822 |
| Thiers
|
33 | 11847 |
| Pont-du-Château
|
46 | 11441 |
| Andrézieux-Bouthéon
|
41 | 9790 |
| Veauche
|
42 | 8984 |
| Feurs
|
39 | 8173 |
| Ambert
|
6 | 6671 |
| Sury-le-Comtal
|
34 | 6552 |
| Lezoux
|
38 | 6152 |
| Aurec-sur-Loire
|
44 | 6111 |
| Saint-Galmier
|
43 | 5722 |
| Montrond-les-Bains
|
38 | 5302 |
| Vic-le-Comte
|
41 | 5197 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | final |
|---|---|
| RMS | 0.9 |
| Azimuthal gap | |
| Number of stations used | 14 |
| Number of phases used | 8 |
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 | 23:21:40.59 | 0.29 | 207 | 0.11 | Manual |
| FR | COLF | Sg | 23:21:42.24 | -0.05 | 207 | 0.11 | Manual |
| RD | VIVF | Pg | 23:21:57.0 | 0.66 | 139 | 0.99 | Manual |
| RD | VIVF | Sg | 23:22:09.30 | -0.89 | 139 | 0.99 | Manual |
| RD | SMF | Pg | 23:21:57.90 | 0.76 | 3 | 1.04 | Manual |
| RD | SMF | Sg | 23:22:11.40 | -0.18 | 3 | 1.04 | Manual |
| RD | BGF | Pg | 23:21:59.60 | 0.48 | 326 | 1.14 | Manual |
| RD | BGF | Sg | 23:22:14.10 | -0.92 | 326 | 1.14 | Manual |