This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 0.8 MLv |
| Local datetime | 2021/09/21 01:20 |
| Universal datetime | 2021/09/20 23:20 |
| Latitude | 44.83 ° ± 0.1 km |
| Longitude | 6.36 ° ± 0.1 km |
| Depth | 2 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 |
|---|---|---|
Gap 
|
36 | 40895 |
| Saint-Martin-d'Hères
|
61 | 38487 |
| Briançon
|
24 | 11625 |
| Le Pont-de-Claix
|
62 | 10435 |
| Eybens
|
61 | 10185 |
| Vif
|
60 | 8532 |
| Varces-Allières-et-Risset
|
62 | 8250 |
| Saint-Jean-de-Maurienne
|
50 | 7746 |
| Vizille
|
54 | 7361 |
| Villard-Bonnot
|
60 | 7107 |
| Gières
|
60 | 6779 |
| Domène
|
59 | 6745 |
| Embrun
|
29 | 6155 |
| Saint-Martin-d'Uriage
|
54 | 5451 |
| Montbonnot-Saint-Martin
|
62 | 5134 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.31 |
| Azimuthal gap | 120.55 ° |
| Number of stations used | 10 |
| Number of phases used | 18 |
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 | OGAG | Pg | 23:20:19.82 | -0.19 | 106.73 | 0.13 | Manual |
| FR | OGAG | Sg | 23:20:22.21 | 0.27 | 106.73 | 0.13 | Manual |
| FR | OGVG | Pg | 23:20:20.79 | -0.18 | 266.79 | 0.18 | Manual |
| FR | OGVG | Sg | 23:20:23.79 | 0.21 | 266.79 | 0.18 | Manual |
| FR | OGSA | Pg | 23:20:21.57 | -0.04 | 7 | 0.21 | Manual |
| FR | OGSA | Sg | 23:20:24.83 | 0.17 | 7 | 0.21 | Manual |
| FR | OGJA | Pg | 23:20:22.49 | 0 | 70.84 | 0.26 | Manual |
| GU | RRL | Pg | 23:20:23.54 | -0.04 | 72.4 | 0.32 | Manual |
| GU | RRL | Sg | 23:20:28.60 | 0.59 | 72.4 | 0.32 | Manual |
| FR | OGCE | Pg | 23:20:23.73 | -0.02 | 117.13 | 0.33 | Manual |
| FR | CREF | Pg | 23:20:23.66 | -0.18 | 146.24 | 0.33 | Manual |
| FR | CREF | Sg | 23:20:28.70 | 0.25 | 146.24 | 0.33 | Manual |
| RD | ORIF | Pg | 23:20:24.47 | 0.16 | 285.25 | 0.36 | Manual |
| RD | ORIF | Sg | 23:20:29.64 | 0.39 | 285.25 | 0.36 | Manual |
| FR | SURF | Pg | 23:20:26.50 | 0.07 | 137.02 | 0.47 | Manual |
| FR | SURF | Sg | 23:20:33.46 | 0.6 | 137.02 | 0.47 | Manual |
| FR | JAUF | Pg | 23:20:26.57 | -0.09 | 145.17 | 0.48 | Manual |
| FR | JAUF | Sg | 23:20:33.97 | 0.71 | 145.17 | 0.48 | Manual |