This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 0.4 MLv |
| Local datetime | 2021/09/23 04:45 |
| Universal datetime | 2021/09/23 02:45 |
| Latitude | 44.75 ° ± 0.1 km |
| Longitude | 6.82 ° ± 0.1 km |
| Depth | 4 km (from location) ± 0.8 km |
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Testify !Near cities
This table shows only the most populated cities around the epicenter.
| Name | Distance (km) | Population |
|---|---|---|
Turin 
|
76 | 865263 |
Gap 
|
62 | 40895 |
| Digne-les-Bains
|
86 | 16460 |
| Briançon
|
22 | 11625 |
| Eybens
|
96 | 10185 |
| Crolles
|
94 | 8247 |
| Saint-Jean-de-Maurienne
|
69 | 7746 |
| Sisteron
|
93 | 7460 |
| Vizille
|
90 | 7361 |
| Villard-Bonnot
|
92 | 7107 |
| Gières
|
94 | 6779 |
| Domène
|
92 | 6745 |
| Embrun
|
33 | 6155 |
| Saint-Martin-d'Uriage
|
88 | 5451 |
| Montbonnot-Saint-Martin
|
95 | 5134 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.28 |
| Azimuthal gap | 63.89 ° |
| Number of stations used | 10 |
| Number of phases used | 17 |
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 | OGCE | Pg | 02:45:51.79 | -0.03 | 203.98 | 0.08 | Manual |
| FR | OGCE | Sg | 02:45:53.21 | 0.12 | 203.98 | 0.08 | Manual |
| GU | RRL | Pg | 02:45:53.49 | -0.05 | 353.98 | 0.18 | Manual |
| GU | RRL | Sg | 02:45:56.11 | 0.08 | 353.98 | 0.18 | Manual |
| FR | OGJA | Pg | 02:45:53.64 | 0 | 335.08 | 0.18 | Manual |
| FR | CREF | Pg | 02:45:54.66 | -0.12 | 215.26 | 0.24 | Manual |
| FR | CREF | Sg | 02:45:57.99 | -0.16 | 215.26 | 0.24 | Manual |
| FR | SURF | Pg | 02:45:55.26 | 0.01 | 180.77 | 0.27 | Manual |
| FR | SURF | Sg | 02:45:59.56 | 0.63 | 180.77 | 0.27 | Manual |
| GU | PZZ | Pg | 02:45:56.3 | -0.26 | 138.2 | 0.32 | Manual |
| GU | PZZ | Sg | 02:46:00.43 | -0.28 | 138.2 | 0.32 | Manual |
| FR | JAUF | Pg | 02:45:56.35 | 0.05 | 188.7 | 0.32 | Manual |
| FR | JAUF | Sg | 02:46:01.46 | 0.75 | 188.7 | 0.32 | Manual |
| GU | BHB | Pg | 02:45:56.56 | 0.11 | 74.31 | 0.33 | Manual |
| GU | BHB | Sg | 02:46:01.29 | 0.3 | 74.31 | 0.33 | Manual |
| FR | OGVG | Pg | 02:45:59.100 | 0.24 | 278.01 | 0.51 | Manual |
| GU | RSP | Pg | 02:46:00.8 | 0.21 | 38.28 | 0.51 | Manual |