BREINIG (DE)
Quarry blast31 January 2020
- Magnitude
- 1.0ML
- Depth
- –
- Belgian time
- 12:37:472020-01-31
- UTC
- 11:37:472020-01-31
Main parameters
| Date and time | 2020-01-31 11:37:47 UTC 2020-01-31 12:37:47 Belgian time |
|---|---|
| Magnitude | ML 1.0 |
| Epicentral coordinates | 50.737° N, 6.196° E Uncertainty ± 3.0 km |
| Event ID | ROB 9255 |
Data source : ROB (Royal Observatory of Belgium)
Last update : 2020-02-05 11:08:19 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
- 17.4 – 43.6km
- Mean velocity, P wave
- 6.2km/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 0.21 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)5 stations | |||||
| TNLTernell | 17.4 | 195 | 11:37:50.44+2.95 s | 11:37:52.93+5.44 s | 2.49 |
| MEMSMembach | 19.4 | 223 | 11:37:51.33+3.84 s | 11:37:53.69+6.20 s | 2.36 |
| MEMHMembach | 19.4 | 223 | 11:37:51.39+3.90 s | 11:37:53.76+6.27 s | 2.37 |
| MRGMont Rigi | 26.6 | 199 | 11:37:52.18+4.69 s | 11:37:56.06+8.57 s | 3.88 |
| LCHLa Chartreuse | 43.6 | 256 | 11:37:55.01+7.52 s | – | – |
| Dutch seismic network (KNMI)1 station | |||||
| HGNHeimansgroeve | 18.9 | 279 | 11:37:51.05+3.56 s | 11:37:53.72+6.23 s | 2.67 |
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