This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.8 MLv
Local datetime 2026/07/28 11:58
Universal datetime 2026/07/28 09:58
Latitude 44.71 ° ± 0.1 km
Longitude 4.64 ° ± 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
Valence  32 63714
Montélimar  19 39097
Bourg-lès-Valence  35 19975
Aubenas  22 12172
Guilherand-Granges  30 10961
Portes-lès-Valence  27 10610
Livron-sur-Drôme  18 9104
Le Teil  18 8677
Crest  30 8505
Privas  4 8266
Saint-Péray  30 7692
Bourg-Saint-Andéol  36 7116
Loriol-sur-Drôme  14 6593
Donzère  31 5833
Étoile-sur-Rhône  23 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 83.17 °
Number of stations used 10
Number of phases used 13

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 ADHE Pg 09:58:30.89 -0.54 164.79 0.34 Manual
G SSB Pg 09:58:35.26 -0.51 352.84 0.58 Manual
G SSB Sg 09:58:44.32 0.52 352.84 0.58 Manual
FR TRBF Pg 09:58:39.50 0.04 219.51 0.78 Manual
FR SGSF Pg 09:58:39.85 -0.15 295.45 0.8 Manual
FR SAUF Pg 09:58:41.11 0.51 156.47 0.84 Manual
RD ORIF Pg 09:58:42.6 0.2 76.01 0.91 Manual
FR RUSF Pg 09:58:43.1 -0.13 141.47 0.97 Manual
FR COLF Pg 09:58:44.56 0.18 320.05 1.04 Manual
FR LBL Pg 09:58:46.9 0.18 298.38 1.12 Manual
FR LBL Sg 09:59:01.75 0.22 298.38 1.12 Manual
FR REST Pg 09:58:46.46 0.23 209.94 1.14 Manual
FR REST Sg 09:59:01.32 -0.78 209.94 1.14 Manual