HORRUES (BE)
Known mine explosion29 October 2008
- Magnitude
- –
- Depth
- 2.8km ± 3.6
- Belgian time
- 13:07:262008-10-29
- UTC
- 12:07:262008-10-29
Main parameters
| Date and time | 2008-10-29 12:07:26 UTC 2008-10-29 13:07:26 Belgian time |
|---|---|
| Magnitude | – |
| Epicentral coordinates | 50.610° N, 4.021° E Uncertainty ± 2.2 km |
| Depth of hypocenter | 2.8 ± 3.6 km |
| Event ID | ROB 3834 |
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
- 5
- Epicentral distance
- 6.1 – 70.3km
- Mean velocity, P wave
- 6.0km/s
- Mean velocity, S wave
- 3.6km/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 2.8 km. P wave: 5 measurements, root-mean-square deviation 0.18 s. S wave: 4 measurements, root-mean-square deviation 0.16 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)5 stations | ||||||
| SKQSteenkerque | 6.1 | 44 | 12:07:27.90+1.58 s | 12:07:28.65+2.33 s | 0.75 | 16.2 |
| RQRRonquières | 14.5 | 92 | 12:07:28.92+2.60 s | 12:07:30.95+4.63 s | 2.03 | 6.6 |
| LESLessines | 16.9 | 312 | 12:07:29.74+3.42 s | 12:07:31.19+4.87 s | 1.45 | – |
| SNFSeneffe | 21.6 | 120 | 12:07:30.09+3.77 s | 12:07:32.78+6.46 s | 2.69 | – |
| DOUDourbes | 70.3 | 144 | 12:07:38.48+12.16 s | – | – | – |