NEUFVILLES (BE)
Known mine explosion16 September 2008
- Magnitude
- 1.1ML
- Depth
- 0.9km ± 20.6
- Belgian time
- 16:19:142008-09-16
- UTC
- 14:19:142008-09-16
Main parameters
| Date and time | 2008-09-16 14:19:14 UTC 2008-09-16 16:19:14 Belgian time |
|---|---|
| Magnitude | ML 1.1 |
| Epicentral coordinates | 50.559° N, 3.983° E Uncertainty ± 11.4 km |
| Depth of hypocenter | 0.9 ± 20.6 km |
| Event ID | ROB 3690 |
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
- 6
- Epicentral distance
- 12.1 – 42.3km
- Mean velocity, P wave
- 4.4km/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 0.9 km. P wave: 6 measurements, root-mean-square deviation 0.56 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)6 stations | ||||||
| SKQSteenkerque | 12.1 | 34 | 14:19:16.79+2.26 s | 14:19:18.37+3.84 s | 1.58 | 36.0 |
| BRQBracquegnies | 13.9 | 129 | 14:19:17.04+2.51 s | – | – | – |
| RQRRonquières | 17.9 | 73 | 14:19:17.60+3.07 s | 14:19:19.43+4.90 s | 1.83 | 17.1 |
| SNFSeneffe | 22.0 | 104 | 14:19:18.48+3.95 s | – | – | – |
| OT5OT5-Genappe | 33.3 | 77 | 14:19:20.20+5.67 s | – | – | – |
| OTTOttignies | 42.3 | 75 | 14:19:24.03+9.50 s | – | – | – |
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