WELLIN (BE)
Quarry blast5 February 2019
- Magnitude
- 1.8ML
- Depth
- –
- Belgian time
- 14:55:172019-02-05
- UTC
- 13:55:172019-02-05
Main parameters
| Date and time | 2019-02-05 13:55:17 UTC 2019-02-05 14:55:17 Belgian time |
|---|---|
| Magnitude | ML 1.8 |
| Epicentral coordinates | 50.077° N, 5.095° E Uncertainty ± 0.6 km |
| Event ID | ROB 7790 |
Data source : ROB (Royal Observatory of Belgium)
Last update : 2019-02-05 16:47:42 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
- 14
- Epicentral distance
- 12.8 – 96.8km
- Mean velocity, P wave
- 5.7km/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: 14 measurements, root-mean-square deviation 0.34 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)13 stations | |||||
| RCHRochefort | 12.8 | 47 | 13:55:19.50+1.70 s | – | – |
| MRDMaredsous | 34.2 | 317 | 13:55:24.03+6.23 s | 13:55:28.49+10.69 s | 4.46 |
| GESGesves | 34.2 | 359 | 13:55:23.75+5.95 s | 13:55:28.42+10.62 s | 4.67 |
| DOUDourbes | 35.9 | 273 | 13:55:24.03+6.23 s | 13:55:28.96+11.16 s | 4.93 |
| CLAClavier | 40.8 | 21 | 13:55:24.65+6.85 s | 13:55:30.43+12.63 s | 5.78 |
| HOUHouvegnez | 71.9 | 64 | 13:55:30.22+12.42 s | – | – |
| LCHLa Chartreuse | 72.0 | 30 | 13:55:30.04+12.24 s | – | – |
| KLBKalborn | 72.6 | 88 | 13:55:29.99+12.19 s | – | – |
| VIAVianden | 80.9 | 101 | 13:55:30.94+13.14 s | – | – |
| MRGMont Rigi | 84.9 | 55 | 13:55:32.62+14.82 s | – | – |
| MEMSMembach | 88.0 | 47 | 13:55:33.31+15.51 s | – | – |
| MEMHMembach | 88.0 | 47 | 13:55:33.42+15.62 s | – | – |
| WLFWalferdange | 88.7 | 121 | 13:55:33.06+15.26 s | – | – |
| Dutch seismic network (KNMI)1 station | |||||
| HGNHeimansgroeve | 96.8 | 38 | 13:55:34.95+17.15 s | – | – |
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