This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.4 MLv
Local datetime 2025/08/21 10:47
Universal datetime 2025/08/21 08:47
Latitude 46.04 ° ± 0.2 km
Longitude 2.91 ° ± 0.1 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  32 143886
Riom  23 19180
Chamalières  32 17173
Pont-du-Château  37 11441
Beaumont  35 10787
Gerzat  30 10365
Aubière  36 10061
Cébazat  27 8604
Bellerive-sur-Allier  38 8500
Lempdes  37 8409
Romagnat  38 7705
Ceyrat  35 6416
Commentry  30 6239
Châtel-Guyon  17 6152
Gannat  21 5832

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.5
Azimuthal gap 45.12 °
Number of stations used 19
Number of phases used 37

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
RA OCSJ Pg 08:47:58.32 -0.02 275.66 0.13 Manual
RA OCSJ Sg 08:48:00.23 0.22 275.66 0.13 Manual
FR AGO Pg 08:47:58.73 -0.08 85.8 0.15 Manual
FR AGO Sg 08:48:00.94 0.13 85.8 0.15 Manual
XP FR09A Pg 08:48:00.7 -0.03 296.77 0.22 Manual
XP FR09A Sg 08:48:03.32 0.3 296.77 0.22 Manual
FR VERF Pg 08:48:03.71 -0.03 226.29 0.42 Manual
FR VERF Sg 08:48:09.59 0.36 226.29 0.42 Manual
FR PLDF Pg 08:48:05.34 0.07 98.27 0.5 Manual
FR PLDF Sg 08:48:11.16 -0.68 98.27 0.5 Manual
FR HRSF Pg 08:48:05.32 -0.03 343.03 0.5 Manual
FR HRSF Sg 08:48:12.67 0.68 343.03 0.5 Manual
FR GZNF Pg 08:48:05.52 -0.03 285.47 0.51 Manual
FR GZNF Sg 08:48:11.61 -0.71 285.47 0.51 Manual
FR CMPS Pg 08:48:06.33 -0.88 178.83 0.6 Manual
FR CMPS Sg 08:48:14.45 -0.71 178.83 0.6 Manual
FR FRNF Pg 08:48:08.99 0.01 200.86 0.7 Manual
FR FRNF Sg 08:48:18.48 0.3 200.86 0.7 Manual
FR COLF Pg 08:48:10.34 0.1 134.36 0.77 Manual
FR COLF Sg 08:48:21.19 0.85 134.36 0.77 Manual
FR BRGF Pg 08:48:11.9 0.22 264.53 0.8 Manual
XP FR13A Pg 08:48:11.21 0.21 235.85 0.81 Manual
XP FR13A Sg 08:48:22.16 0.51 235.85 0.81 Manual
FR CHLF Pg 08:48:11.61 0.24 50.81 0.83 Manual
FR CHLF Sg 08:48:23.17 0.9 50.81 0.83 Manual
FR LBL Pg 08:48:11.78 0.17 163.81 0.84 Manual
FR LBL Sg 08:48:23.25 0.57 163.81 0.84 Manual
XP FR08A Pg 08:48:11.94 0.02 78.5 0.86 Manual
XP FR02A Pg 08:48:14.43 0.6 24.64 0.96 Manual
XP FR02A Sg 08:48:27.49 1.01 24.64 0.96 Manual
XP FR14B Pg 08:48:14.72 0.77 124.83 0.97 Manual
XP FR14B Sg 08:48:27.45 0.78 124.83 0.97 Manual
FR GARF Pg 08:48:15.23 0.02 297.92 1.03 Manual
FR GARF Sg 08:48:29.73 0.91 297.92 1.03 Manual
FR SGSF Pg 08:48:16.73 0.15 153.22 1.11 Manual
FR SGSF Pn 08:48:17.41 -0.04 153.22 1.11 Manual
FR SGSF Sg 08:48:31.70 0.53 153.22 1.11 Manual