LESSINES (BE)
Known mine explosion31 March 2016
- Magnitude
- 1.4ML
- Depth
- –
- Belgian time
- 11:16:132016-03-31
- UTC
- 09:16:132016-03-31
Main parameters
| Date and time | 2016-03-31 09:16:13 UTC 2016-03-31 11:16:13 Belgian time |
|---|---|
| Magnitude | ML 1.4 |
| Epicentral coordinates | 50.713° N, 3.845° E Uncertainty ± 5.0 km |
| Event ID | ROB 5473 |
Data source : ROB (Royal Observatory of Belgium)
Last update : 2016-03-31 14:49:43 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
- 6
- Epicentral distance
- 0.3 – 116.2km
- Mean velocity, P wave
- 5.4km/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. Depth not determined: hypocenter placed at the surface for the calculation. P wave: 6 measurements, root-mean-square deviation 0.33 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)6 stations | ||||||
| LESLessines | 0.3 | 208 | 09:16:13.74+0.06 s | 09:16:13.93+0.25 s | 0.19 | – |
| SKQSteenkerque | 18.1 | 113 | 09:16:16.40+2.72 s | 09:16:18.84+5.16 s | 2.44 | 36.6 |
| RQRRonquières | 29.4 | 114 | 09:16:18.25+4.57 s | – | – | – |
| SNFSeneffe | 38.4 | 126 | 09:16:19.89+6.21 s | – | – | – |
| CLAClavier | 108.3 | 107 | 09:16:33.49+19.81 s | – | – | – |
| RCHRochefort | 116.2 | 122 | 09:16:34.59+20.91 s | – | – | – |
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