This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 0.4 MLv
Local datetime 2021/04/22 23:28
Universal datetime 2021/04/22 21:28
Latitude 44.77 ° ± 0.1 km
Longitude 6.64 ° ± 0.1 km
Depth 2 km (from location) ± 0.2 km

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See the seismogram of this event.

Near cities

This table shows only the most populated cities around the epicenter.
Name Distance (km) Population
Gap  50 40895
Saint-Martin-d'Hères  82 38487
Digne-les-Bains  82 16460
Briançon  14 11625
Eybens  82 10185
Vif  82 8532
Crolles  82 8247
Saint-Jean-de-Maurienne  60 7746
Vizille  76 7361
Villard-Bonnot  79 7107
Gières  81 6779
Domène  79 6745
Embrun  25 6155
Saint-Martin-d'Uriage  75 5451
Montbonnot-Saint-Martin  82 5134

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.28
Azimuthal gap 94.44 °
Number of stations used 12
Number of phases used 22

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 21:28:28.37 -0.04 283.86 0.07 Manual
FR OGAG Sg 21:28:30.3 0.47 283.86 0.07 Manual
FR OGCE Pg 21:28:29.51 -0.12 134.31 0.14 Manual
FR OGCE Sg 21:28:31.65 0.01 134.31 0.14 Manual
FR OGJA Pg 21:28:29.99 0.12 20.77 0.15 Manual
FR OGJA Sg 21:28:32.51 0.46 20.77 0.15 Manual
GU RRL Pg 21:28:30.47 -0.12 36.38 0.19 Manual
GU RRL Sg 21:28:33.56 0.29 36.38 0.19 Manual
FR CREF Pg 21:28:31.15 -0.11 182.49 0.22 Manual
FR CREF Sg 21:28:34.85 0.44 182.49 0.22 Manual
FR OGSA Pg 21:28:32.74 -0.26 327.99 0.31 Manual
FR OGSA Sg 21:28:37.81 0.46 327.99 0.31 Manual
FR SURF Pg 21:28:33.37 0.32 156.48 0.32 Manual
FR OGVG Pg 21:28:33.92 -0.23 276.94 0.38 Manual
FR OGVG Sg 21:28:39.15 -0.17 276.94 0.38 Manual
FR OGMO Pg 21:28:35.40 0.06 4.4 0.44 Manual
FR OGMO Sg 21:28:41.48 0.13 4.4 0.44 Manual
GU BHB Pg 21:28:35.37 -0.22 81.62 0.45 Manual
FR CHA2 Pg 21:28:39.33 0.41 303.97 0.63 Manual
FR CHA2 Sg 21:28:47.19 -0.24 303.97 0.63 Manual
FR OGS3 Pg 21:28:39.79 0.29 297.15 0.66 Manual
FR OGS3 Sg 21:28:48.7 -0.35 297.15 0.66 Manual