This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.5 MLv
Local datetime 2022/03/31 13:00
Universal datetime 2022/03/31 11:00
Latitude 45.65 ° ± 2 km
Longitude 4.30 ° ± 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  19 15641
Saint-Just-Saint-Rambert  18 15083
Andrézieux-Bouthéon  13 9790
Veauche  10 8984
Feurs  11 8173
Villars  20 7970
Sorbiers  20 7933
La Talaudière  21 6860
Saint-Jean-Bonnefonds  24 6638
Sury-le-Comtal  15 6552
Saint-Genest-Lerpt  22 6131
Saint-Priest-en-Jarez  20 6120
Saint-Galmier  5 5722
Chazelles-sur-Lyon  6 5357
Montrond-les-Bains  5 5302

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.28
Azimuthal gap 63.45 °
Number of stations used 15
Number of phases used 28

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 OGGL Pg 11:00:32.12 -0.47 43.03 0.31 Manual
FR OGGL Sg 11:00:37.22 0.26 43.03 0.31 Manual
G SSB Pg 11:00:33.97 -0.33 155.6 0.41 Manual
G SSB Sg 11:00:39.78 -0.16 155.6 0.41 Manual
FR COLF Pg 11:00:35.26 0.08 251.11 0.45 Manual
FR COLF Sg 11:00:41.57 0.07 251.11 0.45 Manual
FR PLDF Pg 11:00:37.8 -0.3 303.76 0.57 Manual
FR OGRV Pg 11:00:40.75 -0.2 23.97 0.76 Manual
FR OGRV Sg 11:00:52.29 0.72 23.97 0.76 Manual
FR SGSF Pg 11:00:40.94 -0.16 219.04 0.77 Manual
FR SGSF Sg 11:00:51.68 -0.15 219.04 0.77 Manual
FR LBL Pg 11:00:42.65 0.04 241.12 0.85 Manual
FR LBL Sg 11:00:54.85 0.37 241.12 0.85 Manual
FR CHLF Pg 11:00:44.44 -0.22 340.78 0.96 Manual
FR CHLF Sg 11:00:57.94 -0.13 340.78 0.96 Manual
FR OG35 Pg 11:00:44.96 0.19 65.48 0.97 Manual
FR OG35 Sg 11:00:58.46 0.2 65.48 0.97 Manual
FR OGCB Pg 11:00:44.93 0.06 144.71 0.98 Manual
FR OGCB Sg 11:00:58.77 0.32 144.71 0.98 Manual
FR OGSM Pg 11:00:45.7 0.14 91.83 0.98 Manual
FR OGSM Sg 11:00:58.52 -0.02 91.83 0.98 Manual
FR CMPS Pg 11:00:45.49 0.38 257.98 0.99 Manual
FR CMPS Sg 11:00:58.82 -0.03 257.98 0.99 Manual
FR OGMY Pg 11:00:47.19 -0.62 77.62 1.13 Manual
FR OGMY Sg 11:01:03.31 -0.27 77.62 1.13 Manual
FR HRSF Pg 11:00:52.92 -0.13 308.55 1.42 Manual
FR OGVG Pn 11:00:53.94 0.03 122.49 1.53 Manual
FR OGVG Pg 11:00:55.40 0.34 122.49 1.53 Manual