This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.6 MLv
Local datetime 2022/04/07 12:20
Universal datetime 2022/04/07 10:20
Latitude 45.64 ° ± 2 km
Longitude 4.32 ° ± 2 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
Montbrison  20 15641
Saint-Just-Saint-Rambert  18 15083
Andrézieux-Bouthéon  12 9790
Veauche  9 8984
Feurs  12 8173
Villars  20 7970
Sorbiers  19 7933
La Talaudière  20 6860
Saint-Jean-Bonnefonds  23 6638
Sury-le-Comtal  15 6552
Saint-Genest-Lerpt  21 6131
Saint-Priest-en-Jarez  19 6120
Saint-Galmier  5 5722
Chazelles-sur-Lyon  5 5357
Montrond-les-Bains  6 5302

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.32
Azimuthal gap 85.35 °
Number of stations used 11
Number of phases used 20

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 10:20:53.29 -0.32 156.3 0.4 Manual
G SSB Sg 10:20:59.51 0.35 156.3 0.4 Manual
FR COLF Pg 10:20:54.48 -0.27 251.97 0.46 Manual
FR COLF Sg 10:21:00.94 -0.2 251.97 0.46 Manual
FR PLDF Pg 10:20:57.35 0.34 303.75 0.58 Manual
FR OGRV Pg 10:20:59.89 -0.54 23.32 0.77 Manual
FR OGRV Sg 10:21:11.56 0.49 23.32 0.77 Manual
FR LBL Pg 10:21:02.32 0.17 241.64 0.86 Manual
FR LBL Sg 10:21:14.43 0.35 241.64 0.86 Manual
FR OG35 Pg 10:21:03.96 -0.18 65.04 0.97 Manual
FR OG35 Sg 10:21:17.51 -0.05 65.04 0.97 Manual
FR OGCB Pg 10:21:04.22 0.04 144.91 0.97 Manual
FR OGCB Sg 10:21:17.51 -0.13 144.91 0.97 Manual
FR OGSM Pg 10:21:04.31 0.06 91.58 0.97 Manual
FR OGSM Sg 10:21:18.37 0.62 91.58 0.97 Manual
FR CHLF Pg 10:21:04.48 0.23 340.46 0.97 Manual
FR CHLF Sg 10:21:17.89 0.13 340.46 0.97 Manual
FR OGMY Pg 10:21:06.89 -0.26 77.31 1.13 Manual
FR OGMY Sg 10:21:22.48 -0.35 77.31 1.13 Manual
FR HRSF Pg 10:21:12.21 -0.46 308.52 1.42 Manual