BETTELDORF (DE)
Quarry blast23 May 2022
- Magnitude
- 1.6ML
- Depth
- –
- Belgian time
- 09:45:392022-05-23
- UTC
- 07:45:392022-05-23
Main parameters
| Date and time | 2022-05-23 07:45:39 UTC 2022-05-23 09:45:39 Belgian time |
|---|---|
| Magnitude | ML 1.6 |
| Epicentral coordinates | 50.260° N, 6.755° E Uncertainty ± 1.4 km |
| Event ID | ROB 16240 |
Data source : ROB (Royal Observatory of Belgium)
Last update : 2022-05-24 19:34:17 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
- 49.4 – 81.0km
- Mean velocity, P wave
- 6.0km/s
- Mean velocity, S wave
- 3.4km/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: 5 measurements, root-mean-square deviation 0.20 s. S wave: 4 measurements, root-mean-square deviation 0.42 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 | |||||
| KLBKalborn | 49.4 | 249 | 07:45:48.29+8.40 s | 07:45:54.66+14.77 s | 6.37 |
| VIAVianden | 53.6 | 228 | 07:45:49.35+9.46 s | 07:45:56.31+16.42 s | 6.96 |
| TNLTernell | 57.4 | 309 | 07:45:49.64+9.75 s | 07:45:57.94+18.05 s | 8.30 |
| MEMSMembach | 65.7 | 307 | 07:45:51.53+11.64 s | 07:45:59.33+19.44 s | 7.80 |
| Dutch seismic network (KNMI)1 station | |||||
| HGNHeimansgroeve | 81.0 | 314 | 07:45:53.72+13.83 s | – | – |