VEZIN (BE)
Known mine explosion7 March 2012
- Magnitude
- –
- Depth
- –
- Belgian time
- 14:24:332012-03-07
- UTC
- 13:24:332012-03-07
Main parameters
| Date and time | 2012-03-07 13:24:33 UTC 2012-03-07 14:24:33 Belgian time |
|---|---|
| Magnitude | – |
| Epicentral coordinates | 50.503° N, 5.008° E Uncertainty ± 4.8 km |
| Event ID | ROB 4679 |
Data source : ROB (Royal Observatory of Belgium)
Last update : 2012-04-27 16:35:56 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
- 4
- Epicentral distance
- 14.2 – 54.1km
- 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. Depth not determined: hypocenter placed at the surface for the calculation. P wave: 4 measurements, root-mean-square deviation 0.13 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 | |
|---|---|---|---|---|---|
| Belgian seismic network (Royal Observatory of Belgium)4 stations | |||||
| GESGesves | 14.2 | 157 | 13:24:36.38+2.55 s | 13:24:38.42+4.59 s | 2.04 |
| CLAClavier | 22.9 | 114 | 13:24:38.17+4.34 s | – | – |
| MRDMaredsous | 28.1 | 217 | 13:24:38.76+4.93 s | – | – |
| DOUDourbes | 54.1 | 213 | 13:24:43.40+9.57 s | – | – |
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