SOMME-LEUZE (BE)
Known mine explosion13 June 2013
- Magnitude
- 1.5ML
- Depth
- 1.6km ± 16.0
- Belgian time
- 14:14:262013-06-13
- UTC
- 12:14:262013-06-13
Main parameters
| Date and time | 2013-06-13 12:14:26 UTC 2013-06-13 14:14:26 Belgian time |
|---|---|
| Magnitude | ML 1.5 |
| Epicentral coordinates | 50.230° N, 5.088° E Uncertainty ± 3.3 km |
| Depth of hypocenter | 1.6 ± 16.0 km |
| Event ID | ROB 4901 |
Data source : ROB (Royal Observatory of Belgium)
Last update : 2013-06-17 10:30:54 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
- 8
- Epicentral distance
- 13.0 – 85.4km
- Mean velocity, P wave
- 5.0km/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 1.6 km. P wave: 8 measurements, root-mean-square deviation 3.03 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 | |
|---|---|---|---|---|---|
| Belgian seismic network (Royal Observatory of Belgium)7 stations | |||||
| RCHRochefort | 13.0 | 130 | 12:14:28.86+2.23 s | – | – |
| GESGesves | 17.2 | 360 | 12:14:29.22+2.59 s | – | – |
| MRDMaredsous | 24.2 | 289 | 12:14:31.55+4.92 s | – | – |
| CLAClavier | 26.0 | 36 | 12:14:31.15+4.52 s | 12:14:34.91+8.28 s | 3.76 |
| DOUDourbes | 38.3 | 247 | 12:14:40.56+13.93 s | – | – |
| MEMHMembach | 77.9 | 57 | 12:14:40.10+13.47 s | – | – |
| SKQSteenkerque | 85.4 | 303 | 12:14:48.38+21.75 s | – | – |
| Dutch seismic network (KNMI)1 station | |||||
| HGNHeimansgroeve | 84.3 | 45 | 12:14:40.61+13.98 s | – | – |
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