This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.9 MLv
Local datetime 2021/10/19 11:40
Universal datetime 2021/10/19 09:40
Latitude 44.99 ° ± 3 km
Longitude 3.88 ° ± 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
Saint-Étienne  63 172565
Le Puy-en-Velay  5 18995
Firminy  54 17135
Le Chambon-Feugerolles  57 12317
Aubenas  58 12172
Mende  60 12134
Roche-la-Molière  60 9697
Monistrol-sur-Loire  41 8718
Unieux  56 8597
La Ricamarie  60 7906
Yssingeaux  26 7202
Brioude  52 6721
Saint-Genest-Lerpt  63 6131
Aurec-sur-Loire  49 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 0.33
Azimuthal gap 96.44 °
Number of stations used 10
Number of phases used 14

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 LBL Pg 09:40:59.58 -0.23 298.72 0.51 Manual
FR COLF Pg 09:40:59.100 -0.12 345.34 0.53 Manual
FR COLF Sg 09:41:07.87 0.36 345.34 0.53 Manual
FR BALS Pg 09:41:00.26 -0.39 213.59 0.56 Manual
FR BALS Sg 09:41:08.66 0.22 213.59 0.56 Manual
FR BANN Pg 09:41:02.16 -0.12 162.49 0.65 Manual
FR BANN Sg 09:41:12.15 0.85 162.49 0.65 Manual
FR OGCB Pg 09:41:06.55 0.1 98.59 0.87 Manual
FR TRBF Pg 09:41:06.34 -0.32 176.54 0.88 Manual
FR TRBF Sg 09:41:18.81 -0.14 176.54 0.88 Manual
FR LEUC Pg 09:41:08.50 0.17 257.02 0.97 Manual
FR PLDF Pg 09:41:08.93 0.18 349.41 1 Manual
FR LAJAS Pg 09:41:10.83 -0.28 205.27 1.12 Manual
FR OGS3 Sg 09:41:34.34 -0.27 85.85 1.36 Manual