BULLINGEN (BE)
Quarry blast2 May 2017
- Magnitude
- 1.8ML
- Depth
- –
- Belgian time
- 12:08:342017-05-02
- UTC
- 10:08:342017-05-02
Main parameters
| Date and time | 2017-05-02 10:08:34 UTC 2017-05-02 12:08:34 Belgian time |
|---|---|
| Magnitude | ML 1.8 |
| Epicentral coordinates | 50.376° N, 6.400° E Uncertainty ± 1.6 km |
| Event ID | ROB 5685 |
Data source : ROB (Royal Observatory of Belgium)
Last update : 2017-05-02 13:40:41 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
- 27.5 – 81.2km
- Mean velocity, P wave
- 5.8km/s
- Mean velocity, S wave
- 3.6km/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: 8 measurements, root-mean-square deviation 1.05 s. S wave: 6 measurements, root-mean-square deviation 1.67 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)7 stations | ||||||
| MRGMont Rigi | 27.5 | 303 | 10:08:41.51+6.70 s | 10:08:43.63+8.82 s | 2.12 | – |
| HOUHouvegnez | 28.2 | 265 | 10:08:41.29+6.48 s | 10:08:42.86+8.05 s | 1.57 | 73.3 |
| KLBKalborn | 37.1 | 214 | 10:08:46.16+11.35 s | 10:08:50.56+15.75 s | 4.40 | – |
| MEMHMembach | 37.9 | 313 | 10:08:43.36+8.55 s | 10:08:46.68+11.87 s | 3.32 | – |
| MEMSMembach | 37.9 | 313 | 10:08:43.44+8.63 s | 10:08:46.70+11.89 s | 3.26 | – |
| EBNEben-Emael | 69.3 | 313 | 10:08:48.51+13.70 s | – | – | – |
| WLFWalferdange | 81.2 | 193 | 10:08:50.70+15.89 s | – | – | – |
| Dutch seismic network (KNMI)1 station | ||||||
| HGNHeimansgroeve | 54.4 | 323 | 10:08:45.65+10.84 s | 10:08:52.08+17.27 s | 6.43 | – |