This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.2 MLv
Local datetime 2021/03/31 12:32
Universal datetime 2021/03/31 10:32
Latitude 44.72 ° ± 4 km
Longitude 6.59 ° ± 3 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
Gap  44 40895
Saint-Martin-d'Hères  82 38487
Digne-les-Bains  75 16460
Briançon  21 11625
Eybens  82 10185
Vif  81 8532
Saint-Jean-de-Maurienne  64 7746
Sisteron  78 7460
Vizille  75 7361
Villard-Bonnot  80 7107
Gières  81 6779
Domène  80 6745
Embrun  17 6155
Saint-Martin-d'Uriage  75 5451
Montbonnot-Saint-Martin  83 5134

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 81.15 °
Number of stations used 8
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
FR OGAG Pg 10:32:38.72 -0.11 335.21 0.08 Manual
FR OGAG Sg 10:32:40.76 0.77 335.21 0.08 Manual
FR OGCE Pg 10:32:40.5 -0.08 107.25 0.14 Manual
FR OGCE Sg 10:32:42.65 0.45 107.25 0.14 Manual
FR OGJA Pg 10:32:41.50 -0.14 24.54 0.21 Manual
GU RRL Pg 10:32:42.16 -0.22 35.57 0.25 Manual
FR SURF Pg 10:32:42.75 -0.32 145.55 0.29 Manual
FR OGSA Pg 10:32:43.71 -0.48 337.73 0.35 Manual
FR OGVG Pg 10:32:43.86 -0.43 286.38 0.35 Manual
FR OGVG Sg 10:32:49.29 0 286.38 0.35 Manual
FR OGLC Pg 10:32:47.72 0.55 226.71 0.5 Manual