This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.1 MLv
Local datetime 2025/04/04 11:21
Universal datetime 2025/04/04 09:21
Latitude 45.54 ° ± 0.4 km
Longitude 3.46 ° ± 0.4 km
Depth 0 km (operator assigned) ± 0.0 km
See the seismogram of this event.

Near cities

This table shows only the most populated cities around the epicenter.
Name Distance (km) Population
Clermont-Ferrand  39 143886
Cournon-d'Auvergne  31 20043
Issoire  17 14822
Thiers  37 11847
Pont-du-Château  34 11441
Beaumont  37 10787
Aubière  35 10061
Lempdes  33 8409
Romagnat  35 7705
Brioude  27 6721
Ambert  24 6671
Ceyrat  38 6416
Lezoux  33 6152
Le Cendre  29 5426
Vic-le-Comte  21 5197

Past seismicity

  This map shows only the 50 most significant earthquakes around this event.

Event details

Parameters

Evaluation status preliminary
RMS 0.17
Azimuthal gap 97.95 °
Number of stations used 8
Number of phases used 16

Webservices

The data of this event are available in various formats (QuakeML, GeoJSON and text) through the following links :

QuakeML GeoJSON Text

Phases

Network Station Phase Time Residual (s) Azimuth (°) Distance (°) Mode
FR COLF Pg 09:21:19.23 -0.2 101.73 0.17 Manual
FR COLF Sg 09:21:21.78 -0.02 101.73 0.17 Manual
FR LBL Pg 09:21:22.53 0 206.07 0.34 Manual
FR LBL Sg 09:21:27.47 0.24 206.07 0.34 Manual
FR CMPS Pg 09:21:23.17 -0.18 255.04 0.38 Manual
FR CMPS Sg 09:21:28.95 0.29 255.04 0.38 Manual
FR PLDF Pg 09:21:24.61 0.09 15.13 0.45 Manual
FR PLDF Sg 09:21:30.85 0.13 15.13 0.45 Manual
FR VERF Pg 09:21:29.53 -0.01 287.83 0.72 Manual
FR VERF Sg 09:21:39.64 0.15 287.83 0.72 Manual
G SSB Pg 09:21:31.34 0.09 108.12 0.81 Manual
G SSB Sg 09:21:42.50 0.03 108.12 0.81 Manual
FR CHLF Pg 09:21:36.8 0.16 14.67 1.06 Manual
FR CHLF Sg 09:21:50.48 -0.17 14.67 1.06 Manual
FR HRSF Pg 09:21:36.99 -0.02 332.19 1.12 Manual
FR HRSF Sg 09:21:52.16 -0.39 332.19 1.12 Manual