Event characteristics This information has been confirmed by a seismologist.
FRANCE ORID : 5056752
04/09/23 20 Arrivals 4 Iterations RMS : 0.41 Type :eq
Origin time: 21:17:03.69 ± 0.05
Latitude : 47.56 ± 0.4 1/2 Major Axis : 1.1 km
Longitude : -1.20 ± 0.6 1/2 Minor Axis : 1.0 km
Depth: 2. Azimuth mj Axis : 26.2 deg
ML : 2.15±0.18 of 10 stations MD : 2.36±0.09 of 6 stations
Location in relation to nearby cities 4 km NNW of SAINT-MARS-LA-JAILLE (LOIRE-ATLANTIQUE) (2100 residents)
8 km ENE of RIAILLE (LOIRE-ATLANTIQUE) (1700 residents)
10 km SSE of SAINT-JULIEN-DE-VOUVANTES (LOIRE-ATLANTIQUE) (1000 residents)
21 km N of ANCENIS (LOIRE-ATLANTIQUE) (6900 residents)
CODE QP PHASE ARRIVAL TIME O-C DIST. AZI. AMPL. PER. ML MD DUREE
GRR E Pg 21h17 19.69 -0.18 95.7km 15
GRR E Sg 21h17 30.65 -0.42 95.7km 15 6.6 0.2 2.05 2.43 43.1
SGMF E Pg 21h17 25.15 -0.02 127.7km 307
SGMF E Sg 21h17 40.70 0.66 127.7km 307 3.3 0.2 2.20 2.36 36.1
MFF E Pg 21h17 26.38 0.32 133.1km 142
MFF E Sg 21h17 42.51 0.94 133.1km 142 6.2 0.2 2.50 2.22 31.4
LDF E Pg 21h17 26.99 -0.27 140.2km 34
LDF E Sg 21h17 43.74 0.16 140.2km 34 1.4 0.2 1.83 2.30 35.0
FLN E Pg 21h17 27.88 0.00 144.0km 21
FLN E Sg 21h17 43.87 -0.77 144.0km 21 4.2 0.2 2.03 2.38 38.2
QUIF E Pn 21h17 28.31 0.13 152.9km 285
QUIF E Pg 21h17 29.33 0.01 152.9km 285
QUIF E Sg 21h17 46.87 -0.24 152.9km 285 2.8 0.2 2.18
ROSF E Pg 21h17 33.00 -0.44 177.5km 299
ROSF E Sg 21h17 53.88 -0.18 177.5km 299 2.0 0.2 2.14 2.48 44.1
TCF E Pg 21h17 52.79 -0.26 295.5km 117
*TCF E Sg 21h18 26.02* -1.22 295.5km 117 1.2 0.2 2.15
*RJF E Pg 21h17 57.28* -0.81 326.1km 139
*RJF E Sg 21h18 34.04* -1.75 326.1km 139 3.3 0.3 2.19
LFF E Sg 21h18 35.63 -0.47 327.3km 152 3.8 0.3 2.33
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