This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.7 MLv
Local datetime 2017/07/26 11:26
Universal datetime 2017/07/26 09:26
Latitude 45.10 ° ± 7 km
Longitude 4.04 ° ± 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  45 172565
Le Puy-en-Velay  14 18995
Firminy  37 17135
Saint-Just-Saint-Rambert  46 15083
Le Chambon-Feugerolles  39 12317
Roche-la-Molière  43 9697
Monistrol-sur-Loire  24 8718
Unieux  39 8597
Villars  48 7970
La Ricamarie  42 7906
Yssingeaux  8 7202
Saint-Genest-Lerpt  46 6131
Saint-Priest-en-Jarez  49 6120
Aurec-sur-Loire  33 6111
Sainte-Sigolène  22 5959

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.45
Azimuthal gap 212 °
Number of stations used 6
Number of phases used 12

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
G SSB Pg 09:26:59.29 -0.54 62.88 0.4 Manual
G SSB Sg 09:27:06.23 0.87 62.88 0.4 Manual
FR PYM Pg 09:27:10.91 0.29 312.21 0.98 Manual
FR PYM Sg 09:27:24.24 0.03 312.21 0.98 Manual
FR OGSM Pg 09:27:15.72 -0.41 65.81 1.27 Manual
FR OGSM Sg 09:27:33.65 -0.2 65.81 1.27 Manual
FR OGGM Pg 09:27:19.25 -0.55 85.12 1.47 Manual
FR OGVG Pn 09:27:19.21 -0.03 100.2 1.5 Manual
FR OGVG Pg 09:27:21.7 0.8 100.2 1.5 Manual
FR OGVG Sn 09:27:39.43 0.11 100.2 1.5 Manual
FR OGMY Pn 09:27:19.21 -0.29 58.31 1.52 Manual
FR OGMY Sn 09:27:39.70 -0.08 58.31 1.52 Manual