This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 1.9 MLv
Local datetime 2023/09/04 23:17
Universal datetime 2023/09/04 21:17
Latitude 47.56 ° ± 0.1 km
Longitude -1.21 ° ± 0.1 km
Depth 4 km (from location) ± 0.3 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  35 19805
Mauges-sur-Loire  32 18284
Segré-en-Anjou Bleu  31 17562
Orée d'Anjou  28 16413
Châteaubriant  22 11974
Ancenis-Saint-Géréon  20 10802
Ombrée d'Anjou  20 8998
Nort-sur-Erdre  26 8763
Loireauxence  19 7522
Sucé-sur-Erdre  33 7023
Divatte-sur-Loire  32 6844
Vallons-de-l'Erdre  6 6556
Héric  36 6049
Erdre-en-Anjou  30 5746
Ligné  22 5174

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.24
Azimuthal gap 35.92 °
Number of stations used 22
Number of phases used 33

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 21:17:05.59 0.02 232.15 0.09 Manual
FR RIAF P 21:17:05.60 0.04 232.15 0.09 Manual
FR RIAF Sg 21:17:07.9 0.22 232.15 0.09 Manual
FR BOUF Pg 21:17:13.16 0.16 216.06 0.49 Manual
FR BOUF Sg 21:17:19.85 0.17 216.06 0.49 Manual
FR CRNF Pg 21:17:14.15 -0.32 137.79 0.57 Manual
FR CRNF Sg 21:17:21.64 -0.57 137.79 0.57 Manual
FR DAUF Pg 21:17:14.58 -0.22 79.88 0.59 Manual
FR BEGF Pg 21:17:16.82 -0.26 274.79 0.71 Manual
FR MTNF Pg 21:17:17.86 0.01 18.95 0.75 Manual
FR GIZF Pg 21:17:22.5 0.21 98.53 0.97 Manual
FR GUEF Pg 21:17:22.76 0.07 289.38 1.01 Manual
FR GUEF Sg 21:17:36.21 -0.22 289.38 1.01 Manual
FR LGIF Pg 21:17:24.65 0.16 186.9 1.11 Manual
FR LGIF Sg 21:17:39.62 0.06 186.9 1.11 Manual
FR LOUF Pg 21:17:24.72 0.09 357.51 1.12 Manual
FR SOMF Pg 21:17:24.53 -0.27 48.55 1.13 Manual
FR PLEF Pn 21:17:25.86 -0.07 321.59 1.2 Manual
FR PLEF Pg 21:17:26.50 0.36 321.59 1.2 Manual
FR PLEF Sg 21:17:42.46 0.04 321.59 1.2 Manual
RD MFF Pg 21:17:26.46 0.24 142.34 1.2 Manual
RD MFF Sg 21:17:42.40 -0.15 142.34 1.2 Manual
FR BIMF Pn 21:17:28.51 0.28 260.93 1.37 Manual
Z4 PSIS3 Pg 21:17:29.35 0.03 166.9 1.37 Manual
Z4 PSIS3 Sg 21:17:47.42 -0.49 166.9 1.37 Manual
Z4 PSIS4 Pn 21:17:28.77 0.27 165.34 1.39 Manual
Z4 PSIS5 Pg 21:17:29.87 0.04 166.29 1.4 Manual
Z4 PSIS5 Sg 21:17:48.90 0.11 166.29 1.4 Manual
Z4 PSIS1 Pg 21:17:30.23 0.06 166.11 1.42 Manual
FR SROF Pg 21:17:31.79 0.4 2.63 1.49 Manual
FR PLOF Pg 21:17:31.83 0.06 277.92 1.51 Manual
FR CHIF Pn 21:17:30.81 0.39 158.51 1.53 Manual
FR BSCF Pg 21:17:34.78 0.18 115.98 1.68 Manual