This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.8 MLv
Local datetime 2026/05/28 11:52
Universal datetime 2026/05/28 09:52
Latitude 44.71 ° ± 0.1 km
Longitude 4.63 ° ± 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  33 63714
Montélimar  19 39097
Bourg-lès-Valence  36 19975
Aubenas  21 12172
Guilherand-Granges  31 10961
Portes-lès-Valence  27 10610
Livron-sur-Drôme  19 9104
Le Teil  18 8677
Crest  31 8505
Privas  3 8266
Saint-Péray  30 7692
Bourg-Saint-Andéol  36 7116
Loriol-sur-Drôme  15 6593
Donzère  31 5833
Étoile-sur-Rhône  24 5478

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.57
Azimuthal gap 103.96 °
Number of stations used 9
Number of phases used 11

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 FR26A Pg 09:52:58.28 -0.38 191.8 0.2 Manual
FR OGDF Pg 09:53:00.84 -0.61 115.27 0.35 Manual
FR OGCB Pg 09:53:01.20 -0.54 66.3 0.36 Manual
G SSB Pg 09:53:05.2 -0.72 353.76 0.58 Manual
G SSB Sg 09:53:14.49 0.73 353.76 0.58 Manual
FR OGCC Pg 09:53:08.59 0.33 112.51 0.71 Manual
FR SGSF Pg 09:53:09.77 -0.06 295.76 0.8 Manual
FR OGVG Pg 09:53:15.60 0.86 83.56 1.06 Manual
FR CMPS Pg 09:53:21.69 0.51 301.81 1.41 Manual
FR CMPS Sg 09:53:41.43 0.67 301.81 1.41 Manual
FR TRIGF Pg 09:53:24.100 0.39 126.26 1.6 Manual