This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 0.6 MLv
Local datetime 2025/06/27 12:04
Universal datetime 2025/06/27 10:04
Latitude 45.47 ° ± 0.5 km
Longitude 3.77 ° ± 0.6 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  28 15641
Saint-Just-Saint-Rambert  37 15083
Issoire  42 14822
Andrézieux-Bouthéon  40 9790
Roche-la-Molière  44 9697
Veauche  42 8984
Monistrol-sur-Loire  38 8718
Unieux  39 8597
Brioude  36 6721
Ambert  10 6671
Sury-le-Comtal  33 6552
Aurec-sur-Loire  36 6111
Sainte-Sigolène  44 5959
Montrond-les-Bains  41 5302

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.16
Azimuthal gap 108.01 °
Number of stations used 5
Number of phases used 8

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 10:04:22.58 -0.2 298.88 0.06 Manual
FR COLF Sg 10:04:23.73 0.09 298.88 0.06 Manual
XP FR14B Pg 10:04:25.5 -0.11 86.41 0.19 Manual
FR SGSF Pg 10:04:29.82 0.11 194.42 0.44 Manual
FR SGSF Sg 10:04:35.72 -0.07 194.42 0.44 Manual
FR LBL Pg 10:04:29.92 0.12 237.43 0.44 Manual
FR LBL Sg 10:04:35.64 -0.31 237.43 0.44 Manual
FR PLDF Pg 10:04:31.17 0.15 348.14 0.51 Manual