This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.3 MLv
Local datetime 2021/04/23 11:40
Universal datetime 2021/04/23 09:40
Latitude 45.67 ° ± 3 km
Longitude 2.27 ° ± 3 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  67 143886
Cournon-d'Auvergne  72 20043
Riom  72 19180
Chamalières  63 17173
Tulle  59 14836
Guéret  63 13161
Beaumont  65 10787
Gerzat  71 10365
Aubière  68 10061
Ussel  14 9736
Cébazat  68 8604
Romagnat  64 7705
Ceyrat  63 6416
Châtel-Guyon  68 6152
Le Cendre  72 5426

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.32
Azimuthal gap 121.22 °
Number of stations used 11
Number of phases used 19

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 VERF Pg 09:40:09.35 -0.28 62.81 0.17 Manual
FR VERF Sg 09:40:12.20 0.18 62.81 0.17 Manual
FR FRNF Pg 09:40:12.81 -0.22 143.69 0.35 Manual
FR BRGF Sg 09:40:21.1 -0.02 309.78 0.45 Manual
RA OCSJ Pg 09:40:15.91 0.14 40.53 0.5 Manual
RA OCSJ Sg 09:40:22.86 0.11 40.53 0.5 Manual
FR AGO Pg 09:40:19.91 0.19 57.65 0.71 Manual
FR AGO Sg 09:40:29.65 -0.01 57.65 0.71 Manual
FR LBL Pg 09:40:22.33 0.66 122.08 0.82 Manual
FR LBL Sn 09:40:36.68 -0.53 122.08 0.82 Manual
FR HRSF Pg 09:40:23.38 0.18 19.49 0.9 Manual
FR HRSF Sg 09:40:35.55 -0.2 19.49 0.9 Manual
FR LEUC Pg 09:40:24.16 0.37 167.26 0.93 Manual
FR LEUC Sn 09:40:39.72 -0.2 167.26 0.93 Manual
FR GARF Pg 09:40:24.83 0.43 331.19 0.97 Manual
FR CHLF Pn 09:40:31.70 -0.37 50.5 1.41 Manual
FR CHLF Sg 09:40:52.8 -0.25 50.5 1.41 Manual
FR GNEF Pg 09:40:33.16 0.32 288.48 1.42 Manual
FR GNEF Sg 09:40:52.11 -0.49 288.48 1.42 Manual