NORTH SEA

Suspected mine explosion22 March 2011

Magnitude
1.5ML
Depth
3.8km ± 4.2
Belgian time
21:10:372011-03-22
UTC
20:10:372011-03-22

Main parameters

Date and time2011-03-22 20:10:37 UTC
2011-03-22 21:10:37 Belgian time
MagnitudeML 1.5
Epicentral coordinates51.966° N, 3.742° E
Uncertainty ± 3.3 km
Depth of hypocenter3.8 ± 4.2 km
Event IDROB 4499

Data source : ROB (Royal Observatory of Belgium)
Last update : 2011-03-24 09:33:44 Belgian time

Location map

  • Epicentre
  • Station that recorded the event

Arrival times at the stations

Each station first records the P wave, the fastest, then the S wave. The farther a station is from the epicentre, the later the waves reach it and the wider the gap between the two.

Stations
15
Epicentral distance
98.3 – 226.8km
  • P wave
  • S wave

Table of measurements

Station measurements

P- and S-wave arrivals and ground displacement measured at each station. Click a column heading to change the order.

km°UTCUTCsnm
Belgian seismic network (Royal Observatory of Belgium)15 stations
OSTBOostende98.321520:10:54.53+16.62 s20:11:06.39+28.48 s11.8610.4
ZEVZevekote109.221320:10:56.20+18.29 s20:11:09.73+31.82 s13.53–
DSLBDessel122.813120:10:59.31+21.40 s20:11:13.41+35.50 s14.104.4
UCCSUccle137.016120:11:01.21+23.30 s–––
SKQSteenkerque148.417120:11:02.62+24.71 s–––
RQRRonquières155.016720:11:03.18+25.27 s–––
CSECourt-Saint-Etienne162.215920:11:04.01+26.10 s20:11:23.66+45.75 s19.6523.8
BOUBougnies176.017520:11:06.34+28.43 s–––
EBNEben-Emael187.313320:11:08.09+30.18 s–––
MRDMaredsous198.615820:11:09.07+31.16 s20:11:34.19+56.28 s25.123.4
GESGesves199.515120:11:09.07+31.16 s20:11:31.29+53.38 s22.22–
CLAClavier203.814720:11:09.58+31.67 s–––
DOUDourbes216.616420:11:10.43+32.52 s20:11:35.01+57.10 s24.58–
MEMHMembach218.713320:11:12.30+34.39 s–––
RCHRochefort226.815220:11:12.42+34.51 s20:11:30.92+53.01 s18.50–
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