JAMAGNE (BE)

Known mine explosion16 October 2008

Magnitude
–
Depth
1.0km ± 11.5
Belgian time
11:25:322008-10-16
UTC
09:25:322008-10-16

Main parameters

Date and time2008-10-16 09:25:32 UTC
2008-10-16 11:25:32 Belgian time
Magnitude–
Epicentral coordinates50.222° N, 4.524° E
Uncertainty ± 3.7 km
Depth of hypocenter1.0 ± 11.5 km
Event IDROB 3795

Data source : ROB (Royal Observatory of Belgium)
Last update : 2012-04-27 16:33:58 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
6
Epicentral distance
15.0 – 47.7km
Mean velocity, P wave
7.3km/s
  • P wave
  • S wave
  • Curve fitted to the measurements
Notes and method

Curves: travel time of a direct wave in a homogeneous medium. The velocity of each wave and an origin-time shift, common to both, are fitted to the measurements by least squares. Hypocenter at a depth of 1.0 km. P wave: 6 measurements, root-mean-square deviation 0.61 s.

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°UTCUTCs
Belgian seismic network (Royal Observatory of Belgium)6 stations
DOUDourbes15.016009:25:35.36+2.79 s––
MRDMaredsous19.56309:25:36.16+3.59 s09:25:38.79+6.22 s2.63
SNFSeneffe36.433209:25:39.45+6.88 s––
GESGesves44.06509:25:39.65+7.08 s––
OT5OT5-Genappe45.535309:25:38.68+6.11 s––
RQRRonquières47.733409:25:40.38+7.81 s––
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