This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 2.7 MLv |
| Local datetime | 1981/04/28 06:59 |
| Universal datetime | 1981/04/28 04:59 |
| Latitude | 45.09 ° ± 7 km |
| Longitude | 6.25 ° ± 20 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 
|
39 | 38487 |
| Meylan
|
39 | 17129 |
| Briançon
|
38 | 11625 |
| Eybens
|
40 | 10185 |
| Crolles
|
35 | 8247 |
| Saint-Jean-de-Maurienne
|
22 | 7746 |
| Vizille
|
37 | 7361 |
| Pontcharra
|
41 | 7344 |
| Villard-Bonnot
|
33 | 7107 |
| Saint-Ismier
|
38 | 6966 |
| Gières
|
38 | 6779 |
| Domène
|
35 | 6745 |
| La Tronche
|
42 | 6596 |
| Saint-Martin-d'Uriage
|
32 | 5451 |
| Montbonnot-Saint-Martin
|
37 | 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 | 9 |
| 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 | 05:00:11.0 | -0.54 | 169 | 1.55 | Manual |
| RD | FRF | Sn | 05:00:33.0 | -0.2 | 169 | 1.55 | Manual |
| RD | LRG | Pn | 05:00:12.70 | 0.05 | 177 | 1.63 | Manual |
| RD | LRG | Sn | 05:00:36.20 | 0.94 | 177 | 1.63 | Manual |
| RD | LMR | Pn | 05:00:14.50 | 0.1 | 174 | 1.76 | Manual |
| RD | LMR | Sn | 05:00:38.0 | -0.5 | 174 | 1.76 | Manual |
| RD | SMF | Pn | 05:00:22.60 | 0.94 | 314 | 2.3 | Manual |
| RD | SMF | Sn | 05:00:51.40 | -0.63 | 314 | 2.3 | Manual |