NORTH SEA - 2021-08-20 20:36:38 - Magnitude 3.7
Last update : 2021-08-24 15:04:13 Belgian time

Main parameters

Date and time 2021-08-20 20:36:38 UTC
2021-08-20 22:36:38 Belgian time
Type Earthquake
Magnitude ML 3.7
Region NORTH SEA
Epicentral coordinates 53.750° N, 4.520° E Uncertainty ± 20.1 km
Depth of hypocenter 5.0 ± 23.6 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
DSLB DESSEL 283 20:37:15.67 20:37:53.77 -
DSLS DESSEL 283 20:37:16.17 20:37:54.80 -
MOLT MOL 285 20:37:16.33 20:37:54.49 -
MOL5 MOL 285 20:37:16.85 20:37:54.18 -
OSTB OOSTENDE 299 20:37:18.34 20:37:53.47 -
ZEV ZEVEKOTE 311 20:37:19.82 - -
UCCB UCCLE 329 20:37:21.68 20:38:03.44 -
LES LESSINES 341 20:37:23.14 20:38:06.79 -
SKQ STEENKERQUE 347 20:37:23.42 - -
TGA TANGISSART 350 20:37:24.12 - -
LCH LA CHARTREUSE 354 20:37:24.92 - -
SNF SENEFFE 361 20:37:25.41 20:38:10.82 -
MEMH1 MEMBACH 364 20:37:25.50 20:38:10.23 -
MEMH MEMBACH 364 20:37:25.96 - -
MEMS MEMBACH 364 20:37:26.01 - -
TNL TERNELL 369 20:37:26.52 - -
MRG MONT RIGI 376 20:37:27.13 - -
BRQ BRACQUEGNIES 365 20:37:27.25 - -
CLA CLAVIER 375 20:37:27.45 - -
GES GESVES 377 20:37:27.77 20:38:14.80 -
MRD MAREDSOUS 384 20:37:28.81 - -
HOU HOUVEGNEZ 391 20:37:29.66 20:38:18.06 -
RCH ROCHEFORT 403 20:37:30.68 20:38:20.35 -
DOU DOURBES 407 20:37:31.07 - -
KLB KALBORN 421 20:37:33.17 - -
VIA VIANDEN 440 20:37:35.79 - -
MOL4 MOL 285 - 20:37:54.11 -
MOL3 MOL 285 - 20:37:54.17 -
EBN EBEN-EMAEL 338 - 20:38:05.96 -
Measurements by the German seismic network of Bensberg (University of Cologne)
Station Epicentral
distance (km)
P-Wave arrival (hh:mm:ss.ss) S-Wave arrival (hh:mm:ss.ss) Maximal ground
displacement (nm)
Code Place
HOB HOHBUSCH 362 20:37:24.19 20:38:07.25 -
KLL KALLTALSPERRE 366 20:37:24.94 20:38:09.56 -
DRE DREILÄGERBACH 363 20:37:25.09 - -
HIL HILLESHEIM 412 20:37:31.25 - -
BGG BURG ELTZ 439 20:37:33.96 - -
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
WTSB WINTERSWIJK NEW 251 20:37:10.50 20:37:43.22 -
HRKB HERKENBOSCH 306 20:37:18.95 - -
VKB VALKENBURG 332 20:37:21.97 20:38:05.05 -
MAME MAMELIS 343 20:37:23.08 20:38:05.26 -
HGN HEIMANSGROEVE 346 20:37:23.25 20:38:06.33 -
TERZ TERZIET 346 20:37:23.28 20:38:05.79 -

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