This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.4 MLv
Local datetime 2025/09/26 11:56
Universal datetime 2025/09/26 09:56
Latitude 44.99 ° ± 0.3 km
Longitude 4.57 ° ± 0.3 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
Valence  28 63714
Romans-sur-Isère  38 33160
Bourg-lès-Valence  26 19975
Annonay  29 16345
Guilherand-Granges  25 10961
Portes-lès-Valence  28 10610
Tournon-sur-Rhône  21 10307
Livron-sur-Drôme  31 9104
Privas  30 8266
Saint-Péray  21 7692
Chabeuil  36 6875
Loriol-sur-Drôme  33 6593
Saint-Marcel-lès-Valence  30 6236
Tain-l'Hermitage  24 6162
Étoile-sur-Rhône  30 5478

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.43
Azimuthal gap 50.96 °
Number of stations used 17
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
XP FR21A Pg 09:56:55.22 -0.15 219.91 0.13 Manual
XP FR21A Sg 09:56:57.83 0.71 219.91 0.13 Manual
G SSB Pg 09:56:57.90 -0.54 356.77 0.29 Manual
G SSB Sg 09:57:02.24 -0.24 356.77 0.29 Manual
FR OGCB Pg 09:56:59.90 -0.61 109.94 0.4 Manual
FR OGCB Sg 09:57:06.59 0.49 109.94 0.4 Manual
XP FR26A Pg 09:57:01.67 -0.18 179.16 0.47 Manual
XP FR26A Sg 09:57:08.82 0.37 179.16 0.47 Manual
FR SGSF Pg 09:57:05.61 0.06 275.35 0.67 Manual
FR COLF Pg 09:57:07.91 0.01 310.03 0.8 Manual
FR COLF Sg 09:57:19.44 0.4 310.03 0.8 Manual
FR OGS3 Pg 09:57:09.28 -0.17 84.31 0.88 Manual
FR OGCC Pg 09:57:10.28 0.57 128.2 0.9 Manual
FR OGCC Pn 09:57:11.43 -0.25 128.2 0.9 Manual
FR CHA2 Pg 09:57:10.98 0.22 81.6 0.95 Manual
FR CHA2 Pn 09:57:11.85 -0.59 81.6 0.95 Manual
FR LBL Pg 09:57:11.46 0.49 285.03 0.97 Manual
FR TRBF Pg 09:57:10.48 -0.83 206.37 0.98 Manual
FR PRABE Pg 09:57:13.1 0.65 75.84 1.04 Manual
FR PRABE Pn 09:57:13.60 -0.01 75.84 1.04 Manual
FR OGVG Pg 09:57:14.40 0.69 98.42 1.11 Manual
FR OGVG Pn 09:57:14.67 0.07 98.42 1.11 Manual
FR PLDF Pn 09:57:15.21 -0.3 326.15 1.18 Manual
FR CMPS Pn 09:57:16.7 -0.22 291.73 1.24 Manual
FR CMPS Pg 09:57:16.48 0.44 291.73 1.24 Manual
FR OGMY Pn 09:57:16.54 -0.46 45.78 1.29 Manual
FR OGMY Pg 09:57:17.33 0.32 45.78 1.29 Manual
FR LEUC Pg 09:57:20.30 0.37 261.65 1.45 Manual