LEUZE-EN-HAINAUT (BE)
Quarry blast14 June 2022
- Magnitude
- 1.8ML
- Depth
- –
- Belgian time
- 12:30:332022-06-14
- UTC
- 10:30:332022-06-14
Main parameters
| Date and time | 2022-06-14 10:30:33 UTC 2022-06-14 12:30:33 Belgian time |
|---|---|
| Magnitude | ML 1.8 |
| Epicentral coordinates | 50.565° N, 3.593° E Uncertainty ± 5.3 km |
| Event ID | ROB 16345 |
Data source : ROB (Royal Observatory of Belgium)
Last update : 2022-06-14 18:31:15 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
- 24.0 – 186.4km
- 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. Depth not determined: hypocenter placed at the surface for the calculation. P wave: 9 measurements, root-mean-square deviation 0.54 s.
Stations farther than 120 km are left out of the fit: the first waves to reach them have travelled beneath the crust, through the mantle, where they propagate faster.
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)11 stations | |||||
| LESLessines | 24.0 | 47 | 10:30:37.90+4.23 s | 10:30:41.30+7.63 s | 3.40 |
| SKQSteenkerque | 35.7 | 75 | 10:30:39.90+6.23 s | – | – |
| BRQBracquegnies | 39.6 | 103 | 10:30:39.94+6.27 s | – | – |
| RQRRonquières | 45.0 | 84 | 10:30:41.35+7.68 s | – | – |
| SNFSeneffe | 49.3 | 97 | 10:30:40.78+7.11 s | 10:30:49.17+15.50 s | 8.39 |
| UCCBUccle | 60.0 | 64 | 10:30:44.48+10.81 s | – | – |
| DOUDourbes | 88.4 | 126 | 10:30:49.53+15.86 s | 10:30:59.36+25.69 s | 9.83 |
| MRDMaredsous | 88.4 | 109 | 10:30:49.02+15.35 s | – | – |
| GESGesves | 107.9 | 100 | 10:30:52.22+18.55 s | – | – |
| CLAClavier | 122.3 | 97 | 10:30:55.91+22.24 s | – | – |
| KLBKalborn | 186.4 | 105 | 10:31:04.04+30.37 s | 10:31:25.81+52.14 s | 21.77 |