This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.7 MLv
Local datetime 2017/09/22 10:52
Universal datetime 2017/09/22 08:52
Latitude 45.35 ° ± 3 km
Longitude 4.30 ° ± 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  11 172565
Firminy  3 17135
Saint-Just-Saint-Rambert  16 15083
Le Chambon-Feugerolles  5 12317
Roche-la-Molière  9 9697
Monistrol-sur-Loire  11 8718
Unieux  7 8597
Villars  14 7970
La Ricamarie  8 7906
La Talaudière  17 6860
Saint-Jean-Bonnefonds  17 6638
Saint-Genest-Lerpt  12 6131
Saint-Priest-en-Jarez  15 6120
Aurec-sur-Loire  8 6111
Sainte-Sigolène  13 5959

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.38
Azimuthal gap 98.49 °
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
FR COLF Pg 08:52:44.52 0.12 289.7 0.45 Manual
FR COLF Sg 08:52:50.29 -0.41 289.7 0.45 Manual
FR BANN Pg 08:52:54.36 0.03 186.03 0.99 Manual
FR BANN Pn 08:52:55.1 -0.83 186.03 0.99 Manual
FR PYM Pg 08:52:54.66 0.22 294.27 0.99 Manual
FR PYM Pn 08:52:55.69 -0.24 294.27 0.99 Manual
FR PYM Sg 08:53:08.70 0.44 294.27 0.99 Manual
FR OGRV Pg 08:52:55.93 0.53 17.42 1.04 Manual
FR OGRV Sg 08:53:09.72 -0.21 17.42 1.04 Manual
FR OG35 Pn 08:52:57.36 -0.42 51.6 1.13 Manual
FR TRBF Pn 08:52:59.41 -0.25 191.21 1.27 Manual
FR TRBF Pg 08:53:00.2 0.46 191.21 1.27 Manual
FR TRBF Sg 08:53:17.37 0.16 191.21 1.27 Manual
FR OGGM Pg 08:53:00.30 0.33 95.78 1.29 Manual
FR OGVG Pn 08:53:01.56 0.24 111.99 1.39 Manual
FR RSL Pn 08:53:04.60 -0.49 77.48 1.67 Manual
FR RSL Pg 08:53:07.16 0.31 77.48 1.67 Manual