This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 3 MLv
Local datetime 1987/04/30 22:33
Universal datetime 1987/04/30 20:33
Latitude 47.46 ° ± 1 km
Longitude -1.20 ° ± 7 km
Depth 5 km (operator assigned) ± 0.0 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  27 19805
Mauges-sur-Loire  24 18284
Orée d'Anjou  17 16413
Montrevault-sur-Èvre  25 15859
Ancenis-Saint-Géréon  9 10802
Thouaré-sur-Loire  27 10025
Ombrée d'Anjou  30 8998
Nort-sur-Erdre  24 8763
Le Loroux-Bottereau  27 8227
Loireauxence  13 7522
Sucé-sur-Erdre  27 7023
Saint-Julien-de-Concelles  28 6917
Divatte-sur-Loire  22 6844
Vallons-de-l'Erdre  10 6556
Ligné  15 5174

Past seismicity

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

Event details

Parameters

Evaluation status final
RMS 0.6
Azimuthal gap
Number of stations used 18
Number of phases used 12

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
RD LPF Pg 20:33:31.60 0.44 11 0.58 Manual
RD LPF Sg 20:33:39.80 0.47 11 0.58 Manual
RD GRR Pg 20:33:38.9 -0.06 14 0.96 Manual
RD GRR Sg 20:33:51.80 0.29 14 0.96 Manual
RD MFF Pn 20:33:40.90 -0.33 139 1.12 Manual
RD MFF Pg 20:33:41.50 0.23 139 1.12 Manual
RD MFF Sg 20:33:57.10 0.18 139 1.12 Manual
RD LDF Pg 20:33:45.60 0.15 32 1.35 Manual
RD LDF Sg 20:34:04.10 -0.08 32 1.35 Manual
RD FLN Pn 20:33:44.50 -0.36 20 1.39 Manual
RD FLN Pg 20:33:45.90 -0.36 20 1.39 Manual
RD FLN Sg 20:34:05.10 -0.49 20 1.39 Manual