This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.3 MLv
Local datetime 2025/04/30 12:11
Universal datetime 2025/04/30 10:11
Latitude 45.00 ° ± 0.5 km
Longitude 4.84 ° ± 0.6 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  10 63714
Romans-sur-Isère  17 33160
Bourg-lès-Valence  6 19975
Guilherand-Granges  8 10961
Portes-lès-Valence  14 10610
Tournon-sur-Rhône  6 10307
Bourg-de-Péage  16 10205
Livron-sur-Drôme  24 9104
Saint-Péray  7 7692
Chabeuil  16 6875
Loriol-sur-Drôme  28 6593
Saint-Marcel-lès-Valence  9 6236
Tain-l'Hermitage  8 6162
Chatuzange-le-Goubet  20 5516
Étoile-sur-Rhône  19 5478

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 166.72 °
Number of stations used 8
Number of phases used 15

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 OGCB Pg 10:11:58.9 0.23 129.53 0.23 Manual
XP FR21A Pg 10:11:58.83 -0.22 249.01 0.3 Manual
XP FR21A Sg 10:12:03.25 0.05 249.01 0.3 Manual
G SSB Pg 10:12:00.9 0.04 322.81 0.35 Manual
G SSB Sg 10:12:05.37 0.43 322.81 0.35 Manual
FR SGSF Pg 10:12:09.82 0.14 273.61 0.87 Manual
FR SGSF Sg 10:12:22.64 0.87 273.61 0.87 Manual
FR COLF Pg 10:12:11.33 0.09 302.08 0.95 Manual
FR COLF Sg 10:12:24.56 0.05 302.08 0.95 Manual
FR TRBF Pg 10:12:13.60 -0.26 215.58 1.09 Manual
FR TRBF Sg 10:12:28.97 -0.13 215.58 1.09 Manual
FR LBL Pg 10:12:15.27 0.3 282.16 1.15 Manual
FR LBL Sg 10:12:30.88 -0.14 282.16 1.15 Manual
FR PLDF Pn 10:12:17.14 -0.37 318.79 1.29 Manual
FR PLDF Sg 10:12:34.55 -0.95 318.79 1.29 Manual