? FAULX-LES-TOMBES (BE)
Known mine explosion7 October 2008
- Magnitude
- –
- Depth
- 1.3km ± 11.7
- Belgian time
- 15:10:272008-10-07
- UTC
- 13:10:272008-10-07
Main parameters
| Date and time | 2008-10-07 13:10:27 UTC 2008-10-07 15:10:27 Belgian time |
|---|---|
| Magnitude | – |
| Epicentral coordinates | 50.431° N, 5.049° E Uncertainty ± 6.8 km |
| Depth of hypocenter | 1.3 ± 11.7 km |
| Event ID | ROB 3770 |
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
- 5.8 – 72.8km
- Mean velocity, P wave
- 3.8km/s
- Mean velocity, S wave
- 3.2km/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 1.3 km. P wave: 5 measurements, root-mean-square deviation 1.01 s. S wave: 5 measurements, root-mean-square deviation 1.18 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)5 stations | |||||
| GESGesves | 5.8 | 152 | 13:10:26.98−0.82 s | 13:10:29.77+1.97 s | 2.79 |
| OTTOttignies | 42.9 | 306 | 13:10:35.38+7.58 s | 13:10:37.89+10.09 s | 2.51 |
| SNFSeneffe | 55.0 | 280 | 13:10:40.30+12.50 s | 13:10:44.13+16.33 s | 3.83 |
| RQRRonquières | 61.6 | 289 | 13:10:42.95+15.15 s | 13:10:45.69+17.89 s | 2.74 |
| SKQSteenkerque | 72.8 | 290 | 13:10:45.79+17.99 s | 13:10:49.11+21.31 s | 3.32 |