This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.2 MLv
Local datetime 2021/05/18 12:05
Universal datetime 2021/05/18 10:05
Latitude 45.52 ° ± 4 km
Longitude 5.95 ° ± 5 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
Chambéry  8 58919
Aix-les-Bains  20 29794
Voiron  32 20108
La Motte-Servolex  12 11826
Belley  33 9103
La Ravoire  4 8457
Crolles  27 8247
Pontcharra  12 7344
Villard-Bonnot  31 7107
Saint-Ismier  31 6966
Les Abrets en Dauphiné  28 6311
Entrelacs  30 6268
Cognin  6 6204
Saint-Alban-Leysse  8 6007
Challes-les-Eaux  5 5590

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.21
Azimuthal gap 114.77 °
Number of stations used 6
Number of phases used 8

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 OGSM Pg 10:05:36.12 -0.14 297.74 0.2 Manual
FR OGSM Sg 10:05:39.43 0.23 297.74 0.2 Manual
FR OGMY Pg 10:05:39.8 -0.42 353.78 0.37 Manual
FR OGMY Sg 10:05:44.85 0.17 353.78 0.37 Manual
FR CHA2 Pg 10:05:40.0 -0.12 184.83 0.4 Manual
FR OGS3 Pg 10:05:41.36 0.11 192.48 0.46 Manual
FR RSL Pg 10:05:42.35 0.22 70.06 0.51 Manual
FR OG35 Sg 10:05:51.74 -0.06 333.67 0.59 Manual