This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1 MLv
Local datetime 2021/09/23 16:10
Universal datetime 2021/09/23 14:10
Latitude 45.25 ° ± 8 km
Longitude 5.48 ° ± 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
Grenoble  21 158454
Fontaine  17 22523
Voiron  16 20108
Saint-Égrève  16 15838
Seyssinet-Pariset  17 12013
Sassenage  14 11376
Voreppe  14 9293
Claix  20 7932
Saint-Marcellin  17 7903
Moirans  10 7852
Seyssins  19 7685
Tullins  5 7680
La Tronche  21 6596
Rives  12 6476
Saint-Martin-le-Vinoux  19 5778

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.36
Azimuthal gap 238.94 °
Number of stations used 9
Number of phases used 12

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 GRN Pg 14:10:28.48 0.24 93.11 0.19 Manual
MT GUI Pg 14:10:28.67 0.06 94.39 0.2 Manual
FR OGS3 Pg 14:10:29.87 -0.48 128.12 0.29 Manual
FR OGS3 Sg 14:10:34.61 0.01 128.12 0.29 Manual
FR OGS2 Pg 14:10:30.27 -0.08 129.3 0.29 Manual
MT GAL Pg 14:10:30.27 -0.13 129.34 0.3 Manual
MT RUI Pg 14:10:30.37 -0.06 128.94 0.3 Manual
FR OGS1 Pg 14:10:30.37 -0.07 129.55 0.3 Manual
FR OGS1 Sg 14:10:35.64 0.9 129.55 0.3 Manual
RD ORIF Pg 14:10:32.72 -0.32 139.44 0.44 Manual
RD ORIF Sg 14:10:38.75 -0.43 139.44 0.44 Manual
FR OGCB Pg 14:10:34.28 0.36 214.17 0.48 Manual