ORTHO (BE)
Known mine explosion19 August 2014
- Magnitude
- 1.1ML
- Depth
- 1.1km ± 3.6
- Belgian time
- 12:06:102014-08-19
- UTC
- 10:06:102014-08-19
Main parameters
| Date and time | 2014-08-19 10:06:10 UTC 2014-08-19 12:06:10 Belgian time |
|---|---|
| Magnitude | ML 1.1 |
| Epicentral coordinates | 50.165° N, 5.621° E Uncertainty ± 1.5 km |
| Depth of hypocenter | 1.1 ± 3.6 km |
| Event ID | ROB 5175 |
Data source : ROB (Royal Observatory of Belgium)
Last update : 2014-08-20 14:25:17 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
- 7
- Epicentral distance
- 28.2 – 102.7km
- Mean velocity, P wave
- 5.6km/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 1.1 km. P wave: 7 measurements, root-mean-square deviation 0.23 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)7 stations | ||||||
| RCHRochefort | 28.2 | 268 | 10:06:15.53+5.02 s | 10:06:18.81+8.30 s | 3.28 | – |
| HOUHouvegnez | 34.5 | 52 | 10:06:16.58+6.07 s | 10:06:20.43+9.92 s | 3.85 | 11.2 |
| CLAClavier | 36.2 | 321 | 10:06:16.60+6.09 s | 10:06:20.97+10.46 s | 4.37 | 10.2 |
| STISart Tilman | 46.6 | 355 | 10:06:18.79+8.28 s | – | – | – |
| LCHLa Chartreuse | 52.7 | 358 | 10:06:19.99+9.48 s | – | – | – |
| DOUDourbes | 73.8 | 264 | 10:06:23.06+12.55 s | – | – | – |
| SNFSeneffe | 102.7 | 293 | 10:06:28.80+18.29 s | – | – | – |
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