QUENAST (BE)
Known mine explosion24 September 2008
- Magnitude
- 1.0ML
- Depth
- 2.8km ± 1.9
- Belgian time
- 15:03:462008-09-24
- UTC
- 13:03:462008-09-24
Main parameters
| Date and time | 2008-09-24 13:03:46 UTC 2008-09-24 15:03:46 Belgian time |
|---|---|
| Magnitude | ML 1.0 |
| Epicentral coordinates | 50.659° N, 4.168° E Uncertainty ± 0.9 km |
| Depth of hypocenter | 2.8 ± 1.9 km |
| Event ID | ROB 3758 |
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
- 8
- Epicentral distance
- 6.3 – 33.9km
- Mean velocity, P wave
- 5.9km/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: 8 measurements, root-mean-square deviation 0.12 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)8 stations | ||||||
| SKQSteenkerque | 6.3 | 260 | 13:03:47.66+1.21 s | 13:03:48.70+2.25 s | 1.04 | 28.0 |
| RQRRonquières | 7.1 | 145 | 13:03:47.87+1.42 s | 13:03:48.79+2.34 s | 0.92 | 25.4 |
| SNFSeneffe | 18.4 | 153 | 13:03:50.00+3.55 s | – | – | – |
| OT2OT2-Rixensart | 25.7 | 79 | 13:03:51.09+4.64 s | – | – | – |
| OTTOttignies | 27.7 | 90 | 13:03:51.27+4.82 s | – | – | – |
| OT4OT4-Limal | 28.3 | 82 | 13:03:51.54+5.09 s | – | – | – |
| OT1OT1-Mellery | 29.5 | 103 | 13:03:51.48+5.03 s | – | – | – |
| OT3OT3-Dion-le-Mont | 33.9 | 83 | 13:03:52.35+5.90 s | – | – | – |
Did you feel an earthquake?The inquiry takes just a few minutes. Every report helps seismologists assess the effects of the earthquake.
Take the inquiry