This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.3 MLv
Local datetime 2022/05/03 10:27
Universal datetime 2022/05/03 08:27
Latitude 45.10 ° ± 3 km
Longitude 3.96 ° ± 3 km
Depth 0 km (from location) ± 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  49 172565
Le Puy-en-Velay  9 18995
Firminy  40 17135
Saint-Just-Saint-Rambert  49 15083
Le Chambon-Feugerolles  43 12317
Roche-la-Molière  46 9697
Monistrol-sur-Loire  28 8718
Unieux  42 8597
Villars  51 7970
La Ricamarie  47 7906
Yssingeaux  14 7202
Brioude  51 6721
Saint-Genest-Lerpt  49 6131
Aurec-sur-Loire  36 6111
Sainte-Sigolène  27 5959

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.22
Azimuthal gap 81.2 °
Number of stations used 9
Number of phases used 15

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 SGSF Pg 08:27:25.100 -0.41 258.57 0.25 Manual
FR SGSF Sg 08:27:29.65 0.01 258.57 0.25 Manual
FR COLF Pg 08:27:29.93 -0.15 334.78 0.45 Manual
FR COLF Sg 08:27:36.56 0.53 334.78 0.45 Manual
G SSB Pg 08:27:29.97 -0.14 65.86 0.45 Manual
FR LBL Pg 08:27:31.28 -0.26 285.11 0.52 Manual
FR LBL Sg 08:27:38.75 0.15 285.11 0.52 Manual
FR PLDF Pg 08:27:38.33 -0.2 344.67 0.9 Manual
FR OGDF Pg 08:27:39.63 0.09 124.11 0.95 Manual
FR TRBF Pg 08:27:40.42 0.18 180.21 0.99 Manual
FR TRBF Sg 08:27:53.84 0.18 180.21 0.99 Manual
FR FRNF Pg 08:27:40.99 0.03 286.69 1.03 Manual
FR FRNF Sg 08:27:54.88 -0.02 286.69 1.03 Manual
FR LEUC Pg 08:27:41.39 -0.05 251.9 1.06 Manual
FR LEUC Sg 08:27:55.80 0.06 251.9 1.06 Manual