TROOZ (BE)
Quarry blast17 August 2017
- Magnitude
- 1.7ML
- Depth
- 10.5km ± 5.7
- Belgian time
- 12:42:342017-08-17
- UTC
- 10:42:342017-08-17
Main parameters
| Date and time | 2017-08-17 10:42:34 UTC 2017-08-17 12:42:34 Belgian time |
|---|---|
| Magnitude | ML 1.7 |
| Epicentral coordinates | 50.560° N, 5.695° E Uncertainty ± 2.8 km |
| Depth of hypocenter | 10.5 ± 5.7 km |
| Event ID | ROB 5840 |
Data source : ROB (Royal Observatory of Belgium)
Last update : 2017-08-17 13:17:06 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
- 7
- Epicentral distance
- 9.6 – 32.0km
- Mean velocity, P wave
- 6.1km/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. Hypocenter at a depth of 10.5 km. P wave: 7 measurements, root-mean-square deviation 0.63 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 | ||||||
| STISart Tilman | 9.6 | 285 | 10:42:36.78+2.10 s | – | – | – |
| LCHLa Chartreuse | 11.1 | 322 | 10:42:37.11+2.43 s | 10:42:39.00+4.32 s | 1.89 | – |
| MEMHMembach | 23.0 | 76 | 10:42:38.95+4.27 s | 10:42:42.03+7.35 s | 3.08 | – |
| EBNEben-Emael | 26.4 | 357 | 10:42:39.80+5.12 s | – | – | – |
| MRGMont Rigi | 27.5 | 101 | 10:42:39.88+5.20 s | – | – | – |
| HOUHouvegnez | 31.8 | 136 | 10:42:38.74+4.06 s | 10:42:45.23+10.55 s | 6.49 | 39.7 |
| CLAClavier | 32.0 | 241 | 10:42:40.79+6.11 s | – | – | – |
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