This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 3.1 MLv
Local datetime 1983/07/21 17:56
Universal datetime 1983/07/21 15:56
Latitude 47.35 ° ± 6 km
Longitude -5.86 ° ± 9 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
Brest  155 140064
Quimper  151 62985
Concarneau  159 19050
Douarnenez  141 13902
Plougastel-Daoulas  158 13337
Plouzané  148 12822
Fouesnant  150 9458
Pont-l'Abbé  136 8250
Ergué-Gabéric  157 8208
Saint-Renan  151 8110
Guilers  153 7981
Crozon  143 7477
Plonéour-Lanvern  135 6064
Penmarch  125 5247
Locmaria-Plouzané  145 5076

Past seismicity

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

Event details

Parameters

Evaluation status final
RMS 0.7
Azimuthal gap
Number of stations used 10
Number of phases used 13

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 15:57:38.0 -0.53 76 3.33 Manual
RD GRR Pn 15:57:30.50 0.9 71 3.52 Manual
RD GRR Pg 15:57:42.10 -0.14 71 3.52 Manual
RD GRR Sg 15:58:31.80 0.72 71 3.52 Manual
RD FLN Pn 15:57:34.50 0.16 67 3.87 Manual
RD FLN Pg 15:57:48.20 -0.63 67 3.87 Manual
RD FLN Sg 15:58:42.10 -0.4 67 3.87 Manual
RD MFF Pn 15:57:35.59 -0.26 99 3.98 Manual
RD LFF Pn 15:57:52.0 -0.09 115 5.18 Manual
RD LPO Pn 15:57:57.70 0.2 116 5.59 Manual
RD TCF Pn 15:57:58.40 0.15 98 5.64 Manual
RD MZF Pn 15:58:02.30 0.49 98 5.9 Manual
RD CAF Pn 15:58:03.0 -0.48 111 6.02 Manual