MAGNEE (BE)
Quarry blast2 February 2021
- Magnitude
- 0.2ML
- Depth
- –
- Belgian time
- 13:58:192021-02-02
- UTC
- 12:58:192021-02-02
Main parameters
| Date and time | 2021-02-02 12:58:19 UTC 2021-02-02 13:58:19 Belgian time |
|---|---|
| Magnitude | ML 0.2 |
| Epicentral coordinates | 50.599° N, 5.696° E Uncertainty ± 1.8 km |
| Event ID | ROB 12105 |
Data source : ROB (Royal Observatory of Belgium)
Last update : 2021-02-03 08:39:33 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
- 8.2 – 34.4km
- Mean velocity, P wave
- 5.4km/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 0.21 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 | nm | |
|---|---|---|---|---|---|---|
| Belgian seismic network (Royal Observatory of Belgium)5 stations | ||||||
| LCHLa Chartreuse | 8.2 | 303 | 12:58:21.04+1.49 s | 12:58:22.46+2.91 s | 1.42 | – |
| STISart Tilman | 9.5 | 259 | 12:58:21.19+1.64 s | – | – | – |
| EBNEben-Emael | 22.1 | 357 | 12:58:23.67+4.12 s | – | – | – |
| MEMHMembach | 22.2 | 87 | 12:58:23.12+3.57 s | 12:58:26.85+7.30 s | 3.73 | 2.0 |
| CLAClavier | 34.4 | 235 | 12:58:25.87+6.32 s | – | – | – |
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