This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.6 MLv
Local datetime 2026/01/21 11:57
Universal datetime 2026/01/21 10:57
Latitude 45.97 ° ± 0.2 km
Longitude 4.12 ° ± 0.1 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  9 34366
Montbrison  41 15641
Riorges  11 10774
Tarare  25 10582
Feurs  27 8173
Mably  15 7605
GleizĂ©  44 7472
Anse  46 7178
Le Coteau  6 6872
L'Arbresle  41 6398
Thizy-les-Bourgs  19 6031
Saint-Galmier  43 5722
Chazelles-sur-Lyon  42 5357
Montrond-les-Bains  38 5302
Vindry-sur-Turdine  30 5133

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.36
Azimuthal gap 69.88 °
Number of stations used 16
Number of phases used 23

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
XP FR11A Pg 10:57:46.23 0.08 194.78 0.14 Manual
FR PLDF Pg 10:57:49.60 -0.32 270.12 0.34 Manual
FR COLF Pg 10:57:53.68 -0.1 212.6 0.55 Manual
FR CHLF Pg 10:57:55.74 0.65 342.46 0.62 Manual
FR AGO Pg 10:57:56.15 -0.23 277.38 0.69 Manual
FR AGO Pn 10:57:58.27 0.16 277.38 0.69 Manual
G SSB Pg 10:57:57.56 0.12 156.32 0.75 Manual
FR LBL Pg 10:58:01.55 0.27 220.09 0.96 Manual
FR SGSF Pg 10:58:01.66 -0.13 201.05 0.98 Manual
FR PLYF Pg 10:58:03.93 0.29 23.37 1.08 Manual
XP FR21A Pg 10:58:04.40 0.45 167.47 1.1 Manual
XP FR21A Sg 10:58:19.89 0.64 167.47 1.1 Manual
FR HRSF Pg 10:58:04.43 -0.07 300.01 1.13 Manual
FR HRSF Sg 10:58:19.88 -0.31 300.01 1.13 Manual
FR VERF Pg 10:58:04.82 -0.29 259.9 1.16 Manual
FR VERF Sg 10:58:20.56 -0.7 259.9 1.16 Manual
FR FRNF Pg 10:58:06.68 0.2 242.54 1.24 Manual
FR FRNF Sg 10:58:23.48 -0.18 242.54 1.24 Manual
FR OGMY Pn 10:58:06.35 -0.48 93.26 1.24 Manual
FR OGMY Sg 10:58:23.72 -0.12 93.26 1.24 Manual
FR OGCB Pn 10:58:07.80 0.01 147.88 1.31 Manual
FR GZNF Pn 10:58:08.7 -0.24 279.58 1.35 Manual
FR GZNF Sg 10:58:26.63 -0.75 279.58 1.35 Manual