This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.6 MLv
Local datetime 2025/04/03 10:58
Universal datetime 2025/04/03 08:58
Latitude 45.23 ° ± 0.4 km
Longitude 3.72 ° ± 0.5 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
Le Puy-en-Velay  27 18995
Firminy  48 17135
Montbrison  49 15641
Saint-Just-Saint-Rambert  51 15083
Issoire  51 14822
Le Chambon-Feugerolles  51 12317
Roche-la-Molière  52 9697
Monistrol-sur-Loire  37 8718
Unieux  47 8597
Yssingeaux  34 7202
Brioude  27 6721
Ambert  36 6671
Sury-le-Comtal  50 6552
Aurec-sur-Loire  41 6111
Sainte-Sigolène  40 5959

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.2
Azimuthal gap 85.91 °
Number of stations used 12
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 08:58:24.72 -0.24 200.45 0.2 Manual
FR COLF Pg 08:58:25.85 -0.35 356.54 0.27 Manual
FR COLF Sg 08:58:29.84 -0.07 356.54 0.27 Manual
FR LBL Pg 08:58:27.8 -0.36 269.67 0.33 Manual
G SSB Pg 08:58:32.16 0.04 85.31 0.58 Manual
FR CMPS Pg 08:58:32.29 0.09 290.24 0.59 Manual
FR CZNF Pg 08:58:33.28 0.01 248.02 0.65 Manual
FR FRNF Pg 08:58:36.90 0.23 280.9 0.83 Manual
FR AGO Pg 08:58:38.36 0.13 333.5 0.91 Manual
FR AGO Sg 08:58:50.58 -0.34 333.5 0.91 Manual
FR VERF Sg 08:58:54.12 0.07 301.17 1.01 Manual
FR TRBF Pg 08:58:42.66 0.18 171.22 1.14 Manual
FR CHLF Pg 08:58:46.0 0.08 3.81 1.33 Manual
FR GZNF Pg 08:58:47.86 0.25 312.04 1.42 Manual
FR GZNF Sn 08:59:06.32 0.08 312.04 1.42 Manual