This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.7 MLv
Local datetime 2017/07/12 12:22
Universal datetime 2017/07/12 10:22
Latitude 45.14 ° ± 2 km
Longitude 4.01 ° ± 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  43 172565
Le Puy-en-Velay  15 18995
Firminy  34 17135
Saint-Just-Saint-Rambert  43 15083
Le Chambon-Feugerolles  37 12317
Roche-la-Molière  40 9697
Monistrol-sur-Loire  21 8718
Unieux  36 8597
Villars  45 7970
La Ricamarie  41 7906
Yssingeaux  9 7202
Sury-le-Comtal  47 6552
Saint-Genest-Lerpt  43 6131
Aurec-sur-Loire  30 6111
Sainte-Sigolène  21 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 68.06 °
Number of stations used 15
Number of phases used 22

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
Z3 A180A Pg 10:22:19.3 -0.22 6.49 0.17 Manual
Z3 A183A Pg 10:22:21.23 0.02 243.04 0.28 Manual
Z3 A183A Sg 10:22:25.84 0.73 243.04 0.28 Manual
Z3 A184A Pg 10:22:22.78 -0.58 128.31 0.4 Manual
Z3 A184A Sg 10:22:28.78 -0.09 128.31 0.4 Manual
Z3 A176A Pg 10:22:26.90 0.1 3.58 0.58 Manual
Z3 A185A Pg 10:22:30.50 0.56 90.95 0.75 Manual
Z3 A192A Pg 10:22:30.54 0.56 146.98 0.75 Manual
FR BANN Pg 10:22:30.66 0.23 172.48 0.78 Manual
FR BANN Sg 10:22:41.2 -0.2 172.48 0.78 Manual
Z3 A179A Pg 10:22:31.3 0 294.79 0.81 Manual
FR OGCB Pg 10:22:31.11 -0.14 110.19 0.82 Manual
Z3 A182A Pg 10:22:31.39 -0.84 259.28 0.87 Manual
Z3 A182A Pn 10:22:33.64 -0.68 259.28 0.87 Manual
Z3 A191A Pg 10:22:32.58 0.09 202.72 0.89 Manual
Z3 A191A Sg 10:22:44.78 -0.05 202.72 0.89 Manual
Z3 A174A Pg 10:22:33.23 0.3 20.02 0.91 Manual
FR PYM Pg 10:22:33.88 0.46 311.21 0.94 Manual
FR PYM Sg 10:22:46.37 -0.09 311.21 0.94 Manual
FR OGRV Pg 10:22:40.45 0.03 22.89 1.31 Manual
FR OGRV Sg 10:22:58.57 -0.12 22.89 1.31 Manual
RD ORIF Pg 10:22:40.86 -0.07 98.78 1.34 Manual