This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.6 MLv
Local datetime 2024/02/21 09:46
Universal datetime 2024/02/21 08:46
Latitude 45.54 ° ± 0.4 km
Longitude 4.09 ° ± 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
Firminy  24 17135
Montbrison  7 15641
Saint-Just-Saint-Rambert  14 15083
Andrézieux-Bouthéon  14 9790
Roche-la-Molière  22 9697
Veauche  16 8984
Unieux  20 8597
Feurs  24 8173
Villars  22 7970
Sury-le-Comtal  7 6552
Saint-Genest-Lerpt  21 6131
Saint-Priest-en-Jarez  23 6120
Aurec-sur-Loire  21 6111
Saint-Galmier  19 5722
Montrond-les-Bains  16 5302

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.37
Azimuthal gap 138.85 °
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
G SSB Pg 08:46:17.15 -0.46 129.34 0.41 Manual
G SSB Sg 08:46:23.22 -0.11 129.34 0.41 Manual
FR PLDF Pg 08:46:19.38 -0.55 322.44 0.54 Manual
FR PLDF Sg 08:46:27.75 0.36 322.44 0.54 Manual
FR SGSF Pg 08:46:20.82 -0.21 214.26 0.6 Manual
FR LBL Pg 08:46:22.5 -0.39 242.87 0.67 Manual
FR LBL Sg 08:46:32.11 0.33 242.87 0.67 Manual
XX BNLF Pg 08:46:25.38 0.04 274.45 0.83 Manual
XX BNLF Sg 08:46:37.26 0.41 274.45 0.83 Manual
FR OGCB Pg 08:46:28.34 -0.04 133.82 0.99 Manual
FR CHLF Pg 08:46:29.8 -0.06 350.49 1.03 Manual
FR CHLF Sg 08:46:43.67 0.17 350.49 1.03 Manual
FR VERF Pg 08:46:31.51 0.23 281.08 1.15 Manual
FR VERF Sg 08:46:46.80 -0.44 281.08 1.15 Manual
FR OGDF Pg 08:46:33.1 0.68 144.49 1.2 Manual
FR LEUC Pg 08:46:35.18 0.34 234.9 1.34 Manual
FR LEUC Sg 08:46:52.85 -0.61 234.9 1.34 Manual
FR HRSF Pg 08:46:36.2 0.45 315.84 1.38 Manual
FR HRSF Sg 08:46:54.48 -0.26 315.84 1.38 Manual