Most recent seismic event
  Automatic location
13/09/2020 23:06:38 UT
2 km N of Machecoul (Loire-Atlantique)

Caution: this automatic location has not been confirmed by a seismologist
  Event characteristics
This information has not been confirmed by a seismologist, subsequent rectification is therefore likely.
 
   FRANCE                                 ORID : 5028204
 13/09/20     23 Arrivals                    RMS :  1.14    Type :uk
 Origin time: 23:06:38.50 ± 0.74
 Latitude  :         47.01 ± -1.0     1/2 Major Axis :    11.7 km
 Longitude :         -1.83 ± -1.0     1/2 Minor Axis :     7.3 km
 Depth:          4.  (Imposed)     Azimuth mj Axis :    62.0 deg
 ML : 2.60±0.47 of 10  stations

 Location in relation to nearby cities
 2 km N   of MACHECOUL (LOIRE-ATLANTIQUE) (5100 residents)
 8 km NW  of PAULX (LOIRE-ATLANTIQUE) (1300 residents)
 9 km WSW of SAINT-LUMINE-DE-COUTAIS (LOIRE-ATLANTIQUE) (1200 residents)
 31 km SW  of NANTES (LOIRE-ATLANTIQUE) (245000 residents)

 CODE  QP PHASE ARRIVAL TIME   O-C  DIST.   AZI.   AMPL.  PER.   ML
 MFF      Pg     23h07  1.90   0.50  136.7km -180                    
 MFF      Sg     23h07 17.00  -0.30  136.7km -180     47.3  0.2  3.20
 ROSF     Pn     23h07  6.60   0.20  183.4km -180                    
 ROSF     Sn     23h07 27.20   0.50  183.4km -180      3.4  0.2  2.30
 LDF      Sg     23h07 39.20  -0.80  216.7km -180      2.4  0.2  2.20
 FLN      Pg     23h07 13.70  -1.40  218.9km -180                    
 FLN      Sn     23h07 34.70   0.30  218.9km -180                    
 FLN      Sg     23h07 39.20  -1.30  218.9km -180      3.2  0.2  2.50
 LFF      Pg     23h07 29.00  -0.30  304.5km -180                    
 TCF      Pn     23h07 23.20   0     319.0km -180                    
 TCF      Pg     23h07 29.20  -2.60  319.0km -180                    
 TCF      Sg     23h08  8.80   0.10  319.0km -180      3.4  0.3  2.40
 RJF      Pg     23h07 32.20   0.20  320.1km -180                    
 RJF      Sn     23h07 55.20  -1.10  320.1km -180                    
 RJF      Sg     23h08  8.80  -0.20  320.1km -180     17.7  0.3  3.50
 BGF      Sg     23h08 21.60   1.40  360.1km -180      8.7  0.3  3.00
 SSF      Pn     23h07 33.40  -0.20  405.6km -180                    
 SSF      Pg     23h07 47.90   1.90  405.6km -180                    
 SSF      Sg     23h08 32.60  -0.20  405.6km -180      2.3  0.4  2.20
 LOR      Sg     23h08 39.60  -0.80  432.3km -180      1.9  0.4  2.30
 SMF      Sg     23h08 39.80  -1.20  434.5km -180      2.1  0.4  2.30
 MEZF     Pg     23h08 10.90   2.40  541.2km -180                    
 BAIF     Pn     23h07 52.60   0.10  559.0km -180                    

   
 

Automatic location (unconfirmed)
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