This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.9 MLv
Local datetime 2021/09/28 14:09
Universal datetime 2021/09/28 12:09
Latitude 49.10 ° ± 4 km
Longitude -1.49 ° ± 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
Cherbourg-en-Cotentin  60 79200
Saint-Malo  63 46097
Saint-Lô  30 19116
Vire Normandie  55 17178
Bayeux  61 13121
Granville  30 12580
Avranches  49 10155
Carentan-les-Marais  32 10118
Souleuvre en Bocage  50 8839
Coutances  6 8501
Valognes  46 6803
Saint-Hilaire-du-Harcouët  65 6094
Valdallière  61 5951
Bricquebec-en-Cotentin  42 5899
Cancale  54 5121

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.42
Azimuthal gap 121.32 °
Number of stations used 10
Number of phases used 18

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 SROF Pg 12:09:40.26 -0.18 102.55 0.26 Manual
FR SROF Sg 12:09:44.43 0.62 102.55 0.26 Manual
FR BESN Pg 12:09:40.43 -0.45 343.98 0.28 Manual
FR LOUF Pg 12:09:43.77 -0.17 162.02 0.45 Manual
FR PLEF Sg 12:10:02.40 0.34 222.66 0.82 Manual
FR MTNF Pg 12:09:53.22 0.2 152.4 0.94 Manual
FR MTNF Sg 12:10:05.94 0.27 152.4 0.94 Manual
FR SOMF Pg 12:10:00.21 0.35 127.52 1.3 Manual
FR SOMF Sg 12:10:16.65 -0.85 127.52 1.3 Manual
FR GUEF Pn 12:10:01.19 -0.09 212.37 1.43 Manual
FR GUEF Sn 12:10:21.2 -0.71 212.37 1.43 Manual
FR BEGF Pn 12:10:03.88 0.67 199.26 1.57 Manual
FR BEGF Pg 12:10:04.94 0.08 199.26 1.57 Manual
FR BEGF Sn 12:10:25.28 -0.01 199.26 1.57 Manual
FR RIAF Pg 12:10:05.63 0.3 175.6 1.6 Manual
FR RIAF Sg 12:10:27.6 -0.05 175.6 1.6 Manual
FR DAUF Pg 12:10:06.6 0.22 151.76 1.63 Manual
FR DAUF Sg 12:10:27.51 -0.56 151.76 1.63 Manual