This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.8 MLv |
| Local datetime | 2022/04/21 12:49 |
| Universal datetime | 2022/04/21 10:49 |
| Latitude | 48.11 ° ± 3 km |
| Longitude | -1.04 ° ± 3 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 |
|---|---|---|
Laval 
|
21 | 49728 |
| Fougères
|
29 | 20418 |
| Vitré
|
11 | 18037 |
| Mayenne
|
38 | 12841 |
| Châteaugiron
|
33 | 9966 |
| Thorigné-Fouillard
|
41 | 8463 |
| Janzé
|
39 | 8279 |
| Liffré
|
37 | 7609 |
| Saint-Berthevin
|
15 | 7344 |
| Châteaubourg
|
27 | 7064 |
| Acigné
|
36 | 6740 |
| Bonchamp-lès-Laval
|
26 | 6037 |
| Changé
|
18 | 6020 |
| Noyal-sur-Vilaine
|
35 | 6008 |
| Ernée
|
23 | 5731 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.24 |
| Azimuthal gap | 58.75 ° |
| Number of stations used | 13 |
| Number of phases used | 19 |
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 | MTNF | Pg | 10:49:48.41 | 0.06 | 39.32 | 0.21 | Manual |
| FR | LOUF | Pg | 10:49:55.55 | 0.06 | 343.95 | 0.59 | Manual |
| FR | RIAF | Pg | 10:49:56.72 | 0.35 | 196.92 | 0.63 | Manual |
| FR | DAUF | Pg | 10:49:56.35 | -0.28 | 134.11 | 0.65 | Manual |
| FR | DAUF | Sg | 10:50:05.7 | -0.31 | 134.11 | 0.65 | Manual |
| FR | SOMF | Pg | 10:49:58.49 | -0.13 | 75.36 | 0.76 | Manual |
| FR | SROF | Pg | 10:50:02.34 | 0.39 | 357.27 | 0.93 | Manual |
| FR | PLEF | Pg | 10:50:01.85 | -0.27 | 294.32 | 0.94 | Manual |
| FR | PLEF | Sg | 10:50:14.53 | -0.35 | 294.32 | 0.94 | Manual |
| FR | BEGF | Pg | 10:50:02.28 | -0.19 | 239.19 | 0.96 | Manual |
| FR | BEGF | Sg | 10:50:15.17 | -0.3 | 239.19 | 0.96 | Manual |
| FR | CRNF | Pg | 10:50:03.50 | 0.06 | 164.72 | 1.01 | Manual |
| FR | BOUF | Pg | 10:50:04.23 | 0.4 | 203.17 | 1.04 | Manual |
| FR | BOUF | Sg | 10:50:17.95 | 0.11 | 203.17 | 1.04 | Manual |
| FR | GUEF | Pg | 10:50:05.24 | 0.32 | 258.67 | 1.09 | Manual |
| FR | GUEF | Sg | 10:50:19.86 | 0.15 | 258.67 | 1.09 | Manual |
| FR | BESN | Pn | 10:50:08.76 | 0.08 | 343.49 | 1.32 | Manual |
| RD | ROSF | Pg | 10:50:12.67 | 0.01 | 279.32 | 1.51 | Manual |
| RD | ROSF | Sn | 10:50:32.47 | -0.15 | 279.32 | 1.51 | Manual |