ANTOING (BE)
Quarry blast16 September 2022
- Magnitude
- 1.3ML
- Depth
- –
- Belgian time
- 12:00:422022-09-16
- UTC
- 10:00:422022-09-16
Main parameters
| Date and time | 2022-09-16 10:00:42 UTC 2022-09-16 12:00:42 Belgian time |
|---|---|
| Magnitude | ML 1.3 |
| Epicentral coordinates | 50.572° N, 3.476° E |
| Event ID | ROB 17155 |
Data source : ROB (Royal Observatory of Belgium)
Last update : 2022-09-26 13:27:37 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
- 6
- Epicentral distance
- 30.2 – 74.2km
- 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. Depth not determined: hypocenter placed at the surface for the calculation. P wave: 6 measurements, root-mean-square deviation 0.25 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)6 stations | |||||
| LESLessines | 30.2 | 59 | 10:00:47.67+5.46 s | 10:00:51.41+9.20 s | 3.74 |
| SKQSteenkerque | 43.6 | 78 | 10:00:49.74+7.53 s | 10:00:55.31+13.10 s | 5.57 |
| BRQBracquegnies | 47.9 | 102 | 10:00:50.72+8.51 s | – | – |
| RQRRonquières | 53.2 | 86 | 10:00:52.03+9.82 s | 10:00:57.95+15.74 s | 5.92 |
| SNFSeneffe | 57.7 | 96 | 10:00:52.06+9.85 s | – | – |
| TGATangissart | 74.2 | 87 | 10:00:54.87+12.66 s | – | – |
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