This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 3.3 MLv
Local datetime 1980/06/04 22:17
Universal datetime 1980/06/04 20:17
Latitude 47.01 ° ± 2 km
Longitude -1.79 ° ± 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
Couëron  25 21372
Challans  20 20622
Bouguenais  22 19331
Pornic  23 15018
Saint-Philbert-de-Grand-Lieu  12 8921
Les Sorinières  25 8541
Bouaye  18 7844
Machecoul-Saint-Même  2 7473
Sainte-Pazanne  9 6774
Chaumes-en-Retz  18 6759
La Montagne  21 6231
Pont-Saint-Martin  21 6037
Saint-Jean-de-Boiseau  21 5827
La Chevrolière  17 5589
Le Pellerin  24 5100

Past seismicity

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

Event details

Parameters

Evaluation status final
RMS 0.8
Azimuthal gap
Number of stations used 18
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 20:17:31.50 0.93 26 1.14 Manual
RD LPF Sg 20:17:48.10 1.63 26 1.14 Manual
RD MFF Pg 20:17:31.40 -0.25 109 1.2 Manual
RD MFF Sg 20:17:48.70 0.36 109 1.2 Manual
RD GRR Pn 20:17:35.30 -0.24 24 1.52 Manual
RD GRR Pg 20:17:37.70 0.11 24 1.52 Manual
RD GRR Sg 20:17:59.10 0.43 24 1.52 Manual
RD SSC Pn 20:17:41.40 0.09 35 1.94 Manual
RD SSC Pg 20:17:45.30 -0.34 35 1.94 Manual
RD SSC Sg 20:18:11.60 -0.95 35 1.94 Manual
RD FLN Pn 20:17:41.40 -0.2 26 1.96 Manual
RD FLN Pg 20:17:45.90 -0.15 26 1.96 Manual
RD FLN Sg 20:18:12.50 -0.76 26 1.96 Manual