PHILIPPEVILLE (BE)
Quarry blast5 October 2018
- Magnitude
- 1.6ML
- Depth
- –
- Belgian time
- 11:09:462018-10-05
- UTC
- 09:09:462018-10-05
Main parameters
| Date and time | 2018-10-05 09:09:46 UTC 2018-10-05 11:09:46 Belgian time |
|---|---|
| Magnitude | ML 1.6 |
| Epicentral coordinates | 50.201° N, 4.559° E Uncertainty ± 1.3 km |
| Event ID | ROB 7205 |
Data source : ROB (Royal Observatory of Belgium)
Last update : 2018-10-05 14:47:36 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
- 4
- Epicentral distance
- 12.1 – 112.7km
- Mean velocity, P wave
- 5.8km/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: 4 measurements, root-mean-square deviation 0.22 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)4 stations | |||||
| DOUDourbes | 12.1 | 168 | 09:09:49.10+2.46 s | 09:09:50.74+4.10 s | 1.64 |
| MRDMaredsous | 18.7 | 53 | 09:09:49.62+2.98 s | 09:09:52.52+5.88 s | 2.90 |
| BOUBougnies | 48.5 | 296 | 09:09:55.13+8.49 s | – | – |
| MEMSMembach | 112.7 | 66 | 09:10:06.30+19.66 s | – | – |
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