JEMELLE (BE)
Known mine explosion13 February 2014
- Magnitude
- 1.4ML
- Depth
- 2.1km ± 3.5
- Belgian time
- 14:22:232014-02-13
- UTC
- 13:22:232014-02-13
Main parameters
| Date and time | 2014-02-13 13:22:23 UTC 2014-02-13 14:22:23 Belgian time |
|---|---|
| Magnitude | ML 1.4 |
| Epicentral coordinates | 50.170° N, 5.267° E Uncertainty ± 1.4 km |
| Depth of hypocenter | 2.1 ± 3.5 km |
| Event ID | ROB 5049 |
Data source : ROB (Royal Observatory of Belgium)
Last update : 2014-02-14 11:40:05 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
- 11
- Epicentral distance
- 3.3 – 99.8km
- Mean velocity, P wave
- 5.6km/s
- Mean velocity, S wave
- 3.3km/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 2.1 km. P wave: 11 measurements, root-mean-square deviation 0.36 s. S wave: 4 measurements, root-mean-square deviation 0.26 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)11 stations | ||||||
| RCHRochefort | 3.3 | 240 | 13:22:24.23+0.62 s | – | – | – |
| GESGesves | 27.2 | 332 | 13:22:28.27+4.66 s | 13:22:31.82+8.21 s | 3.55 | – |
| CLAClavier | 27.8 | 5 | 13:22:28.53+4.92 s | 13:22:32.11+8.50 s | 3.58 | 40.5 |
| MRDMaredsous | 38.5 | 293 | 13:22:30.10+6.49 s | 13:22:34.72+11.11 s | 4.62 | – |
| DOUDourbes | 48.8 | 260 | 13:22:32.00+8.39 s | 13:22:37.95+14.34 s | 5.95 | 10.3 |
| STISart Tilman | 50.6 | 25 | 13:22:31.69+8.08 s | – | – | – |
| HOUHouvegnez | 56.4 | 68 | 13:22:33.09+9.48 s | – | – | – |
| LCHLa Chartreuse | 57.3 | 24 | 13:22:32.96+9.35 s | – | – | – |
| KLBKalborn | 60.7 | 97 | 13:22:34.54+10.93 s | – | – | – |
| MEMHMembach | 71.9 | 47 | 13:22:36.44+12.83 s | – | – | – |
| SKQSteenkerque | 99.8 | 303 | 13:22:41.55+17.94 s | – | – | – |