VEZIN (BE)
Known mine explosion3 September 2008
- Magnitude
- 1.7ML
- Depth
- 2.6km ± 5.1
- Belgian time
- 13:50:482008-09-03
- UTC
- 11:50:482008-09-03
Main parameters
| Date and time | 2008-09-03 11:50:48 UTC 2008-09-03 13:50:48 Belgian time |
|---|---|
| Magnitude | ML 1.7 |
| Epicentral coordinates | 50.502° N, 5.004° E Uncertainty ± 1.1 km |
| Depth of hypocenter | 2.6 ± 5.1 km |
| Event ID | ROB 3699 |
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
- 7
- Epicentral distance
- 14.2 – 53.8km
- Mean velocity, P wave
- 5.7km/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 2.6 km. P wave: 6 measurements, root-mean-square deviation 0.19 s.
Station measurements
P- and S-wave arrivals and ground displacement measured at each station. Click a column heading to change the order.
| km | ° | UTC | UTC | s | nm | |
|---|---|---|---|---|---|---|
| Belgian seismic network (Royal Observatory of Belgium)7 stations | ||||||
| GESGesves | 14.2 | 156 | 11:50:51.02+2.21 s | 11:50:53.26+4.45 s | 2.24 | – |
| CLAClavier | 23.1 | 113 | 11:50:52.90+4.09 s | – | – | – |
| MRDMaredsous | 27.9 | 217 | 11:50:53.63+4.82 s | 11:50:57.19+8.38 s | 3.56 | 52.5 |
| OTTOttignies | 36.0 | 299 | – | 11:50:59.51+10.70 s | – | – |
| STISart Tilman | 40.7 | 77 | 11:50:56.04+7.23 s | – | – | – |
| SNFSeneffe | 51.1 | 271 | 11:50:57.36+8.55 s | – | – | – |
| DOUDourbes | 53.8 | 213 | 11:50:58.31+9.50 s | – | – | – |
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