This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.5 MLv
Local datetime 2021/10/20 11:21
Universal datetime 2021/10/20 09:21
Latitude 44.28 ° ± 4 km
Longitude 7.53 ° ± 4 km
Depth 0 km (from location) ± 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
Nice  68 340017
Cagnes-sur-Mer  74 50928
Menton  55 28958
Saint-Laurent-du-Var  72 28453
Vence  70 18465
Beausoleil  60 13607
Roquebrune-Cap-Martin  58 12639
Carros  62 12329
La Trinité  62 10017
La Colle-sur-Loup  75 7838
Contes  55 7424
Roquefort-les-Pins  78 6762
La Gaude  69 6623
Saint-André-de-la-Roche  63 5458
Villefranche-sur-Mer  66 5091

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.48
Azimuthal gap 153.82 °
Number of stations used 7
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
GU ENR Pg 09:21:28.85 -0.89 233.58 0.1 Manual
GU ENR Sg 09:21:30.73 -0.47 233.58 0.1 Manual
FR PIAF Pg 09:21:31.14 -0.32 159.35 0.18 Manual
FR PIAF Sg 09:21:34.38 0.24 159.35 0.18 Manual
GU GBOS Pg 09:21:32.40 -0.02 100.81 0.23 Manual
GU PZZ Pg 09:21:34.95 -0.2 306.99 0.37 Manual
GU PZZ Sg 09:21:40.50 0.09 306.99 0.37 Manual
FR ENAUX Pg 09:21:38.63 -0.24 252.32 0.57 Manual
FR ENAUX Sg 09:21:47.20 0.47 252.32 0.57 Manual
FR CALF Pg 09:21:41.63 0.49 219.72 0.69 Manual
FR TRIGF Pg 09:21:47.30 0.86 236.81 0.97 Manual