This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.4 MLv
Local datetime 2023/05/10 15:45
Universal datetime 2023/05/10 13:45
Latitude 45.85 ° ± 3 km
Longitude 4.13 ° ± 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
Roanne  22 34366
Montbrison  28 15641
Riorges  23 10774
Tarare  24 10582
Andrézieux-Bouthéon  37 9790
Veauche  34 8984
Feurs  15 8173
Mably  28 7605
Le Coteau  19 6872
Sury-le-Comtal  34 6552
Thizy-les-Bourgs  27 6031
Saint-Galmier  31 5722
Chazelles-sur-Lyon  31 5357
Montrond-les-Bains  25 5302
Vindry-sur-Turdine  29 5133

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.39
Azimuthal gap 117.19 °
Number of stations used 8
Number of phases used 16

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 COLF Pg 13:45:34.57 -0.03 221.28 0.46 Manual
FR COLF Sg 13:45:41.6 0.01 221.28 0.46 Manual
FR AGO Pg 13:45:38.73 -0.71 286.46 0.72 Manual
FR AGO Sg 13:45:50.39 0.88 286.46 0.72 Manual
FR CHLF Pg 13:45:38.90 -0.77 344.56 0.74 Manual
FR CHLF Sg 13:45:50.27 0.36 344.56 0.74 Manual
FR LBL Pg 13:45:42.25 0 225.43 0.88 Manual
FR LBL Sg 13:45:54.31 -0.12 225.43 0.88 Manual
FR SGSF Pg 13:45:42.54 0.23 204.3 0.88 Manual
FR SGSF Sg 13:45:54.43 -0.1 204.3 0.88 Manual
FR OGSM Pg 13:45:47.15 0.26 101.75 1.12 Manual
FR OGSM Sg 13:46:02.56 0.03 101.75 1.12 Manual
FR VERF Pg 13:45:47.83 0.38 265.66 1.15 Manual
FR VERF Sg 13:46:03.25 -0.27 265.66 1.15 Manual
FR HRSF Pg 13:45:48.28 0.04 304.63 1.2 Manual
FR HRSF Sg 13:46:04.73 -0.18 304.63 1.2 Manual