This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 1.8 MLv
Local datetime 2023/12/21 00:45
Universal datetime 2023/12/20 23:45
Latitude 47.39 ° ± 0.1 km
Longitude -1.29 ° ± 0.1 km
Depth 10 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
Carquefou  17 19805
La Chapelle-sur-Erdre  23 19609
Orée d'Anjou  11 16413
Sainte-Luce-sur-Loire  21 15360
Ancenis-Saint-Géréon  8 10802
Thouaré-sur-Loire  17 10025
Nort-sur-Erdre  18 8763
Le Loroux-Bottereau  18 8227
Loireauxence  21 7522
Sucé-sur-Erdre  18 7023
Saint-Julien-de-Concelles  18 6917
Divatte-sur-Loire  13 6844
Vallons-de-l'Erdre  20 6556
Haute-Goulaine  24 5764
Ligné  7 5174

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.27
Azimuthal gap 42.17 °
Number of stations used 18
Number of phases used 30

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 RIAF Pg 23:45:40.64 0.06 352.44 0.12 Manual
FR RIAF Sg 23:45:42.45 -0.12 352.44 0.12 Manual
FR BOUF Pg 23:45:44.31 0.04 225.62 0.33 Manual
FR BOUF Sg 23:45:48.63 -0.26 225.62 0.33 Manual
FR CRNF Pg 23:45:47.28 -0.19 120.32 0.51 Manual
FR CRNF Sg 23:45:54.31 -0.11 120.32 0.51 Manual
FR DAUF Pg 23:45:50.92 0.08 66.82 0.69 Manual
FR DAUF Sg 23:45:59.82 -0.43 66.82 0.69 Manual
FR BEGF Pg 23:45:50.72 -0.2 288.99 0.69 Manual
FR BEGF Sg 23:46:00.40 0 288.99 0.69 Manual
FR MTNF Pg 23:45:55.42 0.15 18.66 0.93 Manual
FR MTNF Sg 23:46:07.60 -0.32 18.66 0.93 Manual
FR LGIF Pg 23:45:55.47 0.02 184.84 0.94 Manual
FR GIZF Sg 23:46:10.50 -0.05 88.61 1.01 Manual
FR GUEF Pg 23:45:57.2 -0.19 299.09 1.03 Manual
RD MFF Pg 23:45:58.76 0.09 134.83 1.11 Manual
RD MFF Sg 23:46:13.72 -0.1 134.83 1.11 Manual
FR SOMF Pn 23:46:00.80 0.32 44.47 1.28 Manual
FR SOMF Pg 23:46:01.66 0.05 44.47 1.28 Manual
FR SOMF Sg 23:46:18.100 -0.2 44.47 1.28 Manual
FR LOUF Pg 23:46:01.73 0.07 0.15 1.28 Manual
FR BIMF Pg 23:46:02.31 0.38 267.79 1.3 Manual
FR BIMF Sg 23:46:19.17 -0.65 267.79 1.3 Manual
FR PLEF Pn 23:46:00.97 0.15 327.94 1.31 Manual
FR PLEF Pg 23:46:01.89 -0.13 327.94 1.31 Manual
FR PLEF Sg 23:46:19.29 -0.7 327.94 1.31 Manual
FR CHIF Pg 23:46:04.9 0.48 153.9 1.4 Manual
FR PLOF Pg 23:46:05.24 0.08 284.52 1.49 Manual
FR SROF Pg 23:46:08.38 0.39 4.15 1.66 Manual
FR GNEF Pg 23:46:09.4 0.28 138.56 1.7 Manual