NEUFVILLES (BE)
Known mine explosion25 August 2014
- Magnitude
- 1.4ML
- Depth
- 3.0km ± 11.3
- Belgian time
- 16:15:232014-08-25
- UTC
- 14:15:232014-08-25
Main parameters
| Date and time | 2014-08-25 14:15:23 UTC 2014-08-25 16:15:23 Belgian time |
|---|---|
| Magnitude | ML 1.4 |
| Epicentral coordinates | 50.563° N, 4.019° E Uncertainty ± 4.9 km |
| Depth of hypocenter | 3.0 ± 11.3 km |
| Event ID | ROB 5178 |
Data source : ROB (Royal Observatory of Belgium)
Last update : 2014-08-26 07:16:26 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
- 10.6 – 66.2km
- Mean velocity, P wave
- 5.2km/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 3.0 km. P wave: 5 measurements, root-mean-square deviation 0.28 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 | 10.6 | 24 | 14:15:25.60+2.13 s | 14:15:26.78+3.31 s | 1.18 | 65.6 |
| BRQBracquegnies | 12.3 | 137 | 14:15:25.07+1.60 s | – | – | – |
| RQRRonquières | 15.4 | 72 | 14:15:26.26+2.79 s | 14:15:28.11+4.64 s | 1.85 | – |
| SNFSeneffe | 19.7 | 107 | 14:15:27.00+3.53 s | 14:15:29.66+6.19 s | 2.66 | – |
| DOUDourbes | 66.2 | 142 | 14:15:35.85+12.38 s | – | – | – |
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