This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 2.4 MLv |
| Local datetime | 1981/04/28 06:51 |
| Universal datetime | 1981/04/28 04:51 |
| Latitude | 45.12 ° ± 7 km |
| Longitude | 6.40 ° ± 18 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 |
|---|---|---|
Saint-Martin-d'Hères 
|
50 | 38487 |
| Meylan
|
49 | 17129 |
| Briançon
|
31 | 11625 |
| Eybens
|
51 | 10185 |
| Crolles
|
44 | 8247 |
| Saint-Jean-de-Maurienne
|
17 | 7746 |
| Vizille
|
49 | 7361 |
| Pontcharra
|
45 | 7344 |
| Villard-Bonnot
|
43 | 7107 |
| Saint-Ismier
|
47 | 6966 |
| Gières
|
48 | 6779 |
| Domène
|
45 | 6745 |
| La Tronche
|
53 | 6596 |
| Saint-Martin-d'Uriage
|
43 | 5451 |
| Montbonnot-Saint-Martin
|
47 | 5134 |
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 | 5 |
| 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 |
|---|---|---|---|---|---|---|---|
| RD | FRF | Pn | 04:51:40.9 | -0.46 | 173 | 1.57 | Manual |
| RD | FRF | Sn | 04:52:01.40 | -0.98 | 173 | 1.57 | Manual |
| RD | LRG | Pn | 04:51:42.0 | 0.15 | 181 | 1.66 | Manual |
| RD | LRG | Sn | 04:52:05.50 | 0.7 | 181 | 1.66 | Manual |
| RD | LMR | Pn | 04:51:43.70 | 0.19 | 177 | 1.79 | Manual |
| RD | LMR | Sn | 04:52:08.10 | 0.22 | 177 | 1.79 | Manual |
| RD | SMF | Pn | 04:51:52.0 | 0.81 | 311 | 2.35 | Manual |
| RD | SMF | Sn | 04:52:21.60 | -0.61 | 311 | 2.35 | Manual |