This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1 MLv |
| Local datetime | 2021/09/24 10:44 |
| Universal datetime | 2021/09/24 08:44 |
| Latitude | 45.33 ° ± 2 km |
| Longitude | 5.65 ° ± 5 km |
| Depth | 0 km (operator assigned) ± 0.0 km |
Near cities
This table shows only the most populated cities around the epicenter.
| Name | Distance (km) | Population |
|---|---|---|
Grenoble 
|
17 | 158454 |
| Fontaine
|
15 | 22523 |
| Voiron
|
8 | 20108 |
| Meylan
|
16 | 17129 |
| Saint-Égrève
|
11 | 15838 |
| Seyssinet-Pariset
|
17 | 12013 |
| Sassenage
|
13 | 11376 |
| Voreppe
|
4 | 9293 |
| Moirans
|
7 | 7852 |
| Tullins
|
13 | 7680 |
| Saint-Ismier
|
16 | 6966 |
| La Tronche
|
15 | 6596 |
| Rives
|
13 | 6476 |
| Saint-Martin-le-Vinoux
|
13 | 5778 |
| Montbonnot-Saint-Martin
|
17 | 5134 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.4 |
| Azimuthal gap | 129.26 ° |
| Number of stations used | 16 |
| Number of phases used | 25 |
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 | 08:44:06.63 | -0.39 | 142.25 | 0.11 | Manual |
| FR | GRN | Sg | 08:44:09.23 | 0.62 | 142.25 | 0.11 | Manual |
| MT | GUI | Pg | 08:44:06.89 | -0.45 | 137.41 | 0.12 | Manual |
| MT | GUI | Sg | 08:44:09.63 | 0.47 | 137.41 | 0.12 | Manual |
| MT | RES | Pg | 08:44:07.18 | -0.28 | 135.71 | 0.13 | Manual |
| FR | CHA2 | Pg | 08:44:10.57 | 0.24 | 139.55 | 0.27 | Manual |
| FR | OGS3 | Pg | 08:44:10.24 | -0.26 | 156.84 | 0.28 | Manual |
| FR | OGS3 | Sg | 08:44:15.6 | 0.52 | 156.84 | 0.28 | Manual |
| FR | OGS2 | Pg | 08:44:10.22 | -0.34 | 157.87 | 0.28 | Manual |
| FR | OGS2 | Sg | 08:44:15.23 | 0.58 | 157.87 | 0.28 | Manual |
| MT | GAL | Pg | 08:44:10.26 | -0.34 | 157.7 | 0.28 | Manual |
| MT | RUI | Pg | 08:44:10.22 | -0.39 | 157.17 | 0.28 | Manual |
| FR | OGSM | Pg | 08:44:10.35 | -0.29 | 6.45 | 0.29 | Manual |
| FR | OGSM | Sg | 08:44:15.19 | 0.43 | 6.45 | 0.29 | Manual |
| FR | OGS1 | Pg | 08:44:10.34 | -0.31 | 157.71 | 0.29 | Manual |
| FR | OGS1 | Sg | 08:44:15.31 | 0.52 | 157.71 | 0.29 | Manual |
| MT | THE | Pg | 08:44:10.22 | -0.43 | 157 | 0.29 | Manual |
| MT | AVR | Sg | 08:44:17.60 | 0.14 | 179.81 | 0.37 | Manual |
| RD | ORIF | Pg | 08:44:12.76 | -0.75 | 158.26 | 0.44 | Manual |
| RD | ORIF | Sg | 08:44:19.71 | 0.06 | 158.26 | 0.44 | Manual |
| FR | OGVG | Pg | 08:44:16.49 | -0.17 | 147.23 | 0.61 | Manual |
| FR | OGVG | Sg | 08:44:24.97 | -0.03 | 147.23 | 0.61 | Manual |
| FR | OG35 | Pg | 08:44:18.81 | -0.01 | 355.56 | 0.72 | Manual |
| FR | OG35 | Sg | 08:44:28.98 | 0.3 | 355.56 | 0.72 | Manual |
| G | SSB | Pg | 08:44:20.58 | 0.57 | 266.98 | 0.78 | Manual |