SCHOELLER (DE)
Quarry blast26 October 2022
- Magnitude
- 1.6ML
- Depth
- –
- Belgian time
- 11:43:112022-10-26
- UTC
- 09:43:112022-10-26
Main parameters
| Date and time | 2022-10-26 09:43:11 UTC 2022-10-26 11:43:11 Belgian time |
|---|---|
| Magnitude | ML 1.6 |
| Epicentral coordinates | 51.234° N, 7.035° E Uncertainty ± 1.9 km |
| Event ID | ROB 17520 |
Data source : ROB (Royal Observatory of Belgium)
Last update : 2022-10-27 13:11:20 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
- 5
- Epicentral distance
- 83.1 – 142.1km
- Mean velocity, P wave
- 7.9km/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 0.15 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)2 stations | |||||
| MRGMont Rigi | 105.0 | 220 | 09:43:29.00+17.81 s | 09:43:42.95+31.76 s | 13.95 |
| KLBKalborn | 142.1 | 208 | 09:43:34.82+23.63 s | 09:43:52.04+40.85 s | 17.22 |
| Dutch seismic network (KNMI)3 stations | |||||
| WTSBWinterswijk New | 83.1 | 349 | 09:43:26.24+15.05 s | – | – |
| HGNHeimansgroeve | 93.4 | 236 | 09:43:27.18+15.99 s | 09:43:40.60+29.41 s | 13.42 |
| TERZTerziet | 95.4 | 237 | 09:43:27.69+16.50 s | 09:43:40.21+29.02 s | 12.52 |