This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.4 MLv
Local datetime 2017/10/04 11:49
Universal datetime 2017/10/04 09:49
Latitude 45.20 ° ± 4 km
Longitude 3.57 ° ± 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
Le Puy-en-Velay  32 18995
Firminy  59 17135
Montbrison  59 15641
Saint-Just-Saint-Rambert  62 15083
Issoire  46 14822
Monistrol-sur-Loire  49 8718
Unieux  59 8597
Yssingeaux  45 7202
Brioude  18 6721
Ambert  42 6671
Sury-le-Comtal  61 6552
Saint-Flour  43 6435
Aurec-sur-Loire  53 6111
Sainte-Sigolène  52 5959
Vic-le-Comte  55 5197

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.34
Azimuthal gap 106.4 °
Number of stations used 13
Number of phases used 15

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 A183A Pg 09:49:46.13 -0.24 161.53 0.2 Manual
Z3 A183A Sg 09:49:49.53 0.32 161.53 0.2 Manual
Z3 A180A Pg 09:49:48.80 -0.28 71.92 0.35 Manual
RA OCSF Pg 09:49:49.31 -0.29 243.37 0.38 Manual
Z3 A179A Pg 09:49:52.13 0.23 302.61 0.5 Manual
Z3 A179A Sg 09:49:59.28 0.41 302.61 0.5 Manual
Z3 A182A Pg 09:49:53.79 0.23 246.89 0.59 Manual
FR PYM Pg 09:49:55.17 0.02 324.25 0.68 Manual
G SSB Pg 09:49:56.4 0.64 83.4 0.69 Manual
Z3 A184A Pg 09:49:55.75 0.2 116.26 0.7 Manual
Z3 A191A Pg 09:49:59.10 0.07 181.59 0.88 Manual
FR BANN Pn 09:50:01.72 0.01 153.31 0.93 Manual
Z3 A192A Pn 09:50:02.21 -0.46 133.64 1 Manual
Z3 A190A Pn 09:50:02.61 -0.17 209.9 1.01 Manual
RA OCSJ Pn 09:50:02.37 -0.69 325.52 1.03 Manual