This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.3 MLv
Local datetime 2025/03/11 11:18
Universal datetime 2025/03/11 10:18
Latitude 45.48 ° ± 0.5 km
Longitude 3.77 ° ± 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  42 17135
Montbrison  27 15641
Saint-Just-Saint-Rambert  37 15083
Issoire  42 14822
Andrézieux-Bouthéon  40 9790
Roche-la-Molière  44 9697
Veauche  41 8984
Monistrol-sur-Loire  38 8718
Unieux  40 8597
Brioude  36 6721
Ambert  9 6671
Sury-le-Comtal  33 6552
Saint-Genest-Lerpt  44 6131
Aurec-sur-Loire  36 6111
Montrond-les-Bains  40 5302

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.26
Azimuthal gap 98.84 °
Number of stations used 13
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 COLF Pg 10:18:35.20 -0.01 291.35 0.06 Manual
XP FR14B Pg 10:18:37.33 -0.29 88.97 0.19 Manual
XP FR16A Pg 10:18:38.41 -0.3 145.76 0.25 Manual
XP FR16A Sg 10:18:42.63 0.47 145.76 0.25 Manual
XP FR11A Pg 10:18:42.4 0.4 30.19 0.41 Manual
FR SGSF Pg 10:18:42.60 0.24 194.24 0.44 Manual
FR LBL Pg 10:18:42.43 0.04 236.56 0.45 Manual
FR LBL Sg 10:18:48.25 -0.35 236.56 0.45 Manual
G SSB Pg 10:18:44.87 0.03 109.92 0.58 Manual
XP FR21A Pg 10:18:48.6 -0.13 140.46 0.76 Manual
XP FR23A Pg 10:18:49.3 -0.02 202.55 0.8 Manual
XP FR22A Pg 10:18:49.71 0.14 178.58 0.83 Manual
FR FRNF Pg 10:18:50.21 0.16 264.2 0.86 Manual
FR VERF Pg 10:18:51.24 -0.41 287.16 0.94 Manual
FR LEUC Pg 10:18:55.9 0.13 230.67 1.12 Manual