This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 2.9 MLv |
| Local datetime | 1981/02/21 00:18 |
| Universal datetime | 1981/02/20 23:18 |
| Latitude | 45.23 ° ± 3 km |
| Longitude | 5.69 ° ± 8 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 |
|---|---|---|
Grenoble 
|
6 | 158454 |
| Saint-Martin-d'Hères
|
8 | 38487 |
| Échirolles
|
9 | 36840 |
| Fontaine
|
4 | 22523 |
| Meylan
|
8 | 17129 |
| Saint-Égrève
|
1 | 15838 |
| Seyssinet-Pariset
|
7 | 12013 |
| Sassenage
|
4 | 11376 |
| Eybens
|
10 | 10185 |
| Voreppe
|
8 | 9293 |
| Seyssins
|
8 | 7685 |
| Gières
|
10 | 6779 |
| La Tronche
|
5 | 6596 |
| Saint-Martin-le-Vinoux
|
2 | 5778 |
| Montbonnot-Saint-Martin
|
10 | 5134 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | final |
|---|---|
| RMS | 1.2 |
| Azimuthal gap | |
| Number of stations used | 18 |
| 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 | GRN | Pg | 23:18:30.30 | -0.39 | 74 | 0.04 | Manual |
| RD | FRF | Pg | 23:19:03.40 | 0.27 | 157 | 1.81 | Manual |
| RD | FRF | Sg | 23:19:27.20 | -0.99 | 157 | 1.81 | Manual |
| RD | LRG | Pg | 23:19:05.80 | 2.02 | 165 | 1.84 | Manual |
| RD | LRG | Sg | 23:19:28.40 | -0.91 | 165 | 1.84 | Manual |
| RD | SMF | Pn | 23:19:02.0 | 1.02 | 318 | 1.91 | Manual |
| RD | SMF | Pg | 23:19:05.90 | 0.73 | 318 | 1.91 | Manual |
| RD | SMF | Sg | 23:19:30.10 | -1.6 | 318 | 1.91 | Manual |