This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.3 MLv
Local datetime 2024/09/30 13:38
Universal datetime 2024/09/30 11:38
Latitude 45.15 ° ± 0.5 km
Longitude 4.32 ° ± 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
Saint-Étienne  32 172565
Le Puy-en-Velay  36 18995
Firminy  26 17135
Annonay  28 16345
Le Chambon-Feugerolles  27 12317
Roche-la-Molière  31 9697
Monistrol-sur-Loire  19 8718
Unieux  29 8597
Villars  36 7970
La Ricamarie  29 7906
Yssingeaux  15 7202
Saint-Jean-Bonnefonds  36 6638
Saint-Genest-Lerpt  34 6131
Aurec-sur-Loire  26 6111
Sainte-Sigolène  13 5959

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.28
Azimuthal gap 100.91 °
Number of stations used 9
Number of phases used 12

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 11:38:23.73 -0.32 49.5 0.2 Manual
G SSB Sg 11:38:26.64 -0.22 49.5 0.2 Manual
XP FR21A Pg 11:38:25.4 -0.29 160.53 0.27 Manual
XP FR21A Sg 11:38:29.31 0.2 160.53 0.27 Manual
FR SGSF Pg 11:38:29.72 -0.05 258.89 0.51 Manual
FR COLF Pg 11:38:30.99 0.16 308.59 0.57 Manual
FR OGCB Pg 11:38:31.94 0.06 118.25 0.62 Manual
XP FR22A Pg 11:38:31.92 0.03 216.7 0.62 Manual
FR LBL Pg 11:38:34.88 0.33 276.62 0.77 Manual
FR OGVG Pg 11:38:45.13 0.46 104.06 1.31 Manual
FR LEUC Pg 11:38:44.27 -0.46 253.49 1.32 Manual
FR LEUC Sg 11:39:03.37 0.34 253.49 1.32 Manual