JEMELLE (BE)
Known mine explosion24 October 2013
- Magnitude
- 1.2ML
- Depth
- 0.6km ± 4.4
- Belgian time
- 11:48:152013-10-24
- UTC
- 09:48:152013-10-24
Main parameters
| Date and time | 2013-10-24 09:48:15 UTC 2013-10-24 11:48:15 Belgian time |
|---|---|
| Magnitude | ML 1.2 |
| Epicentral coordinates | 50.136° N, 5.279° E Uncertainty ± 3.4 km |
| Depth of hypocenter | 0.6 ± 4.4 km |
| Event ID | ROB 4990 |
Data source : ROB (Royal Observatory of Belgium)
Last update : 2017-11-16 13:38:12 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
- 4.3 – 49.2km
- Mean velocity, P wave
- 4.6km/s
- Mean velocity, S wave
- 3.0km/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 0.6 km. P wave: 5 measurements, root-mean-square deviation 0.25 s. S wave: 5 measurements, root-mean-square deviation 0.27 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 | ||||||
| RCHRochefort | 4.3 | 299 | 09:48:15.20−0.66 s | 09:48:15.82−0.04 s | 0.62 | – |
| GESGesves | 30.9 | 334 | 09:48:21.52+5.66 s | 09:48:25.22+9.36 s | 3.70 | – |
| CLAClavier | 31.5 | 3 | 09:48:21.67+5.81 s | 09:48:25.53+9.67 s | 3.86 | 12.8 |
| MRDMaredsous | 40.9 | 297 | 09:48:23.55+7.69 s | 09:48:28.01+12.15 s | 4.46 | – |
| DOUDourbes | 49.2 | 265 | 09:48:24.95+9.09 s | 09:48:30.98+15.12 s | 6.03 | – |