This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.4 MLv
Local datetime 2025/03/28 10:43
Universal datetime 2025/03/28 09:43
Latitude 45.23 ° ± 0.4 km
Longitude 3.72 ° ± 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
Le Puy-en-Velay  27 18995
Firminy  48 17135
Montbrison  50 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 0.32
Azimuthal gap 80.45 °
Number of stations used 9
Number of phases used 17

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
XP FR16A Pg 09:43:37.34 0.07 77.04 0.18 Manual
XP FR16A Sg 09:43:39.96 0.14 77.04 0.18 Manual
FR SGSF Pg 09:43:37.35 -0.16 200.61 0.2 Manual
FR SGSF Sg 09:43:40.41 0.15 200.61 0.2 Manual
FR COLF Pg 09:43:38.40 -0.43 356.59 0.27 Manual
FR COLF Sg 09:43:42.79 0.22 356.59 0.27 Manual
FR LBL Pg 09:43:39.67 -0.36 270.01 0.33 Manual
FR LBL Sg 09:43:44.85 0.2 270.01 0.33 Manual
FR CMPS Pg 09:43:44.64 -0.16 290.42 0.59 Manual
FR CMPS Sg 09:43:53.25 0.24 290.42 0.59 Manual
XP FR21A Pg 09:43:45.6 -0.35 122.89 0.62 Manual
XP FR21A Sg 09:43:54.72 0.65 122.89 0.62 Manual
FR PLDF Pg 09:43:47.99 0.47 354.89 0.74 Manual
FR PLDF Sg 09:43:57.98 0.23 354.89 0.74 Manual
FR LEUC Pg 09:43:52.10 0.59 240.65 0.95 Manual
FR LEUC Sg 09:44:04.69 -0.04 240.65 0.95 Manual
FR GZNF Pg 09:44:00.9 -0.13 312.1 1.42 Manual