This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 2.5 MLv |
| Local datetime | 1983/11/11 11:40 |
| Universal datetime | 1983/11/11 10:40 |
| Latitude | 45.58 ° ± 2 km |
| Longitude | 3.93 ° ± 3 km |
| Depth | 5 km (operator assigned) ± 0.0 km |
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Testify !Near cities
This table shows only the most populated cities around the epicenter.
| Name | Distance (km) | Population |
|---|---|---|
Montbrison 
|
11 | 15641 |
| Saint-Just-Saint-Rambert
|
27 | 15083 |
| Andrézieux-Bouthéon
|
28 | 9790 |
| Roche-la-Molière
|
35 | 9697 |
| Veauche
|
28 | 8984 |
| Unieux
|
33 | 8597 |
| Feurs
|
28 | 8173 |
| Villars
|
35 | 7970 |
| Ambert
|
14 | 6671 |
| Sury-le-Comtal
|
20 | 6552 |
| Saint-Genest-Lerpt
|
34 | 6131 |
| Aurec-sur-Loire
|
32 | 6111 |
| Saint-Galmier
|
30 | 5722 |
| Chazelles-sur-Lyon
|
35 | 5357 |
| Montrond-les-Bains
|
25 | 5302 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | final |
|---|---|
| RMS | 0.4 |
| Azimuthal gap | |
| Number of stations used | 10 |
| Number of phases used | 7 |
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 | PYM | Pg | 10:40:32.59 | 0.03 | 285 | 0.67 | Manual |
| RD | SMF | Pg | 10:40:40.9 | 0.15 | 357 | 1.06 | Manual |
| RD | SMF | Sg | 10:40:54.60 | -0.18 | 357 | 1.06 | Manual |
| RD | MZF | Pg | 10:40:41.50 | 0.01 | 304 | 1.15 | Manual |
| RD | MZF | Sg | 10:40:57.40 | -0.06 | 304 | 1.15 | Manual |
| RD | AVF | Pg | 10:40:43.70 | -0.15 | 342 | 1.27 | Manual |
| RD | AVF | Sg | 10:41:01.80 | 0.24 | 342 | 1.27 | Manual |