North Sea (41 km Calais) - 2021-05-19 10:49:03 - Magnitude 2.7
Last update : 2021-05-20 12:08:55 Belgian time

Main parameters

Date and time 2021-05-19 10:49:03 UTC
2021-05-19 12:49:03 Belgian time
Type Suspected controlled explosion
Magnitude ML 2.7
Region North Sea (41 km Calais)
Epicentral coordinates 51.222° N, 2.233° E Uncertainty ± 3.8 km

Data source : ROB (Royal Observatory of Belgium)

Location map

Quake measurements

Measurements by the Belgian seismic network
Station Epicentral
distance (km)
P-Wave arrival (hh:mm:ss.ss) S-Wave arrival (hh:mm:ss.ss) Maximal ground
displacement (nm)
Code Place
OSTB OOSTENDE 49 10:49:11.21 10:49:16.72 -
LES LESSINES 126 10:49:24.95 10:49:40.57 -
SKQ STEENKERQUE 144 10:49:27.00 10:49:43.92 -
UCCB UCCLE 156 10:49:29.02 10:49:48.13 -
RQR RONQUIÈRES 156 10:49:29.17 - -
BOU BOUGNIES 152 10:49:29.62 - -
BRQ BRACQUEGNIES 157 10:49:29.73 - -
SNF SENEFFE 164 10:49:30.49 - -
TGA TANGISSART 175 10:49:31.75 10:49:52.18 -
DSLB DESSEL 197 10:49:35.00 10:49:58.99 -
MOLT MOL 199 10:49:35.32 10:50:00.32 -
MRD MAREDSOUS 206 10:49:35.78 10:50:02.41 -
DOU DOURBES 209 10:49:35.91 10:50:01.65 -
GES GESVES 221 10:49:37.44 10:50:05.87 -
CLA CLAVIER 234 10:49:38.72 10:50:08.78 -
MEMH MEMBACH 274 10:49:42.72 10:50:20.80 -
KLB KALBORN 301 10:49:47.73 - -
Measurements by the Dutch seismic network of KNMI (Royal Netherlands Meteorological Institute)
Station Epicentral
distance (km)
P-Wave arrival (hh:mm:ss.ss) S-Wave arrival (hh:mm:ss.ss) Maximal ground
displacement (nm)
Code Place
HGN HEIMANSGROEVE 264 10:49:42.39 10:50:15.81 -

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