This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.7 MLv
Local datetime 2026/01/20 14:01
Universal datetime 2026/01/20 13:01
Latitude 45.06 ° ± 0.4 km
Longitude 4.00 ° ± 0.3 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
Saint-Étienne  51 172565
Le Puy-en-Velay  9 18995
Firminy  43 17135
Saint-Just-Saint-Rambert  52 15083
Le Chambon-Feugerolles  45 12317
Roche-la-Molière  49 9697
Monistrol-sur-Loire  30 8718
Unieux  45 8597
Villars  54 7970
La Ricamarie  48 7906
Yssingeaux  14 7202
Brioude  55 6721
Saint-Genest-Lerpt  52 6131
Aurec-sur-Loire  38 6111
Sainte-Sigolène  28 5959

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.52
Azimuthal gap 85.26 °
Number of stations used 10
Number of phases used 18

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 FR22A Pg 13:01:16.30 -0.51 198.86 0.43 Manual
XP FR22A Sg 13:01:22.45 -0.36 198.86 0.43 Manual
G SSB Pg 13:01:16.80 -0.26 59.65 0.45 Manual
G SSB Sg 13:01:23.3 -0.23 59.65 0.45 Manual
FR COLF Pg 13:01:18.13 0.17 334.4 0.49 Manual
FR COLF Sg 13:01:25.43 0.61 334.4 0.49 Manual
FR LBL Pg 13:01:18.44 -0.75 288.6 0.56 Manual
FR LBL Sg 13:01:27.70 0.72 288.6 0.56 Manual
XP FR26A Pg 13:01:21.68 0.27 142.56 0.68 Manual
FR OGCB Pg 13:01:23.20 -0.57 104.32 0.81 Manual
FR OGCB Sg 13:01:35.82 0.82 104.32 0.81 Manual
XP FR29A Pg 13:01:25.52 0.05 199.16 0.9 Manual
XP FR29A Sg 13:01:38.56 0.59 199.16 0.9 Manual
FR TRBF Pg 13:01:26.9 -0.34 181.68 0.95 Manual
FR TRBF Sg 13:01:40.44 0.78 181.68 0.95 Manual
FR LEUC Pg 13:01:29.12 0.51 254.48 1.07 Manual
FR LEUC Sg 13:01:43.70 0.25 254.48 1.07 Manual
FR OGVG Pg 13:01:37.66 0.64 98.33 1.52 Manual