NAMUR (BE) - 2021-05-04 11:35:25 - Magnitude 1.8
Last update : 2021-05-05 08:34:06 Belgian time

Main parameters

Date and time 2021-05-04 11:35:25 UTC
2021-05-04 13:35:25 Belgian time
Type Quarry blast
Magnitude ML 1.8
Region NAMUR (BE)
Epicentral coordinates 50.491° N, 4.963° E Uncertainty ± 0.7 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
GES GESVES 15 11:35:28.17 11:35:29.98 -
CLA CLAVIER 25 11:35:29.89 11:35:33.42 -
MRD MAREDSOUS 25 11:35:30.67 11:35:33.20 -
TGA TANGISSART 34 11:35:31.72 11:35:35.42 -
RCH ROCHEFORT 42 11:35:33.03 11:35:37.82 -
LCH LA CHARTREUSE 48 11:35:33.93 11:35:39.39 -
DOU DOURBES 51 11:35:35.47 11:35:41.18 -
SKQ STEENKERQUE 65 11:35:36.60 11:35:44.77 -
MEMS MEMBACH 75 11:35:39.27 11:35:48.19 -
MEMH MEMBACH 75 11:35:39.32 11:35:48.15 -
MRG MONT RIGI 79 11:35:39.38 - -
KLB KALBORN 92 11:35:41.89 11:35:52.04 -
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 75 11:35:38.88 11:35:47.75 -

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