NICKENICH (DE)
Quarry blast24 November 2022
- Magnitude
- 1.4ML
- Depth
- –
- Belgian time
- 12:47:292022-11-24
- UTC
- 11:47:292022-11-24
Main parameters
| Date and time | 2022-11-24 11:47:29 UTC 2022-11-24 12:47:29 Belgian time |
|---|---|
| Magnitude | ML 1.4 |
| Epicentral coordinates | 50.437° N, 7.366° E Uncertainty ± 2.4 km |
| Event ID | ROB 17860 |
Data source : ROB (Royal Observatory of Belgium)
Last update : 2022-11-28 08:32:07 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
- 89.2 – 155.6km
- Mean velocity, P wave
- 9.1km/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: 7 measurements, root-mean-square deviation 0.68 s.
Stations farther than 120 km are left out of the fit: the first waves to reach them have travelled beneath the crust, through the mantle, where they propagate faster.
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)7 stations | |||||
| TNLTernell | 89.2 | 281 | 11:47:46.47+16.58 s | – | – |
| MRGMont Rigi | 92.0 | 276 | 11:47:46.53+16.64 s | – | – |
| KLBKalborn | 97.1 | 248 | 11:47:45.68+15.79 s | 11:47:57.38+27.49 s | 11.70 |
| HOUHouvegnez | 97.2 | 265 | 11:47:47.86+17.97 s | – | – |
| MEMSMembach | 98.1 | 282 | 11:47:47.51+17.62 s | – | – |
| VIAVianden | 100.1 | 237 | 11:47:48.17+18.28 s | – | – |
| RCHRochefort | 155.6 | 259 | 11:47:55.99+26.10 s | 11:48:13.56+43.67 s | 17.57 |
| Dutch seismic network (KNMI)1 station | |||||
| HGNHeimansgroeve | 107.9 | 290 | 11:47:48.23+18.34 s | – | – |