BASTOGNE (BE)
Quarry blast1 October 2020
- Magnitude
- 1.1ML
- Depth
- –
- Belgian time
- 12:25:372020-10-01
- UTC
- 10:25:372020-10-01
Main parameters
| Date and time | 2020-10-01 10:25:37 UTC 2020-10-01 12:25:37 Belgian time |
|---|---|
| Magnitude | ML 1.1 |
| Epicentral coordinates | 50.016° N, 5.752° E Uncertainty ± 1.1 km |
| Event ID | ROB 10995 |
Data source : ROB (Royal Observatory of Belgium)
Last update : 2020-10-01 12:35:15 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
- 12
- Epicentral distance
- 27.2 – 109.4km
- Mean velocity, P wave
- 5.8km/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: 12 measurements, root-mean-square deviation 0.24 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)11 stations | |||||
| KLBKalborn | 27.2 | 70 | 10:25:41.91+4.68 s | 10:25:45.04+7.81 s | 3.13 |
| VIAVianden | 33.5 | 105 | 10:25:43.33+6.10 s | – | – |
| RCHRochefort | 40.7 | 293 | 10:25:44.10+6.87 s | 10:25:49.05+11.82 s | 4.95 |
| HOUHouvegnez | 41.8 | 26 | 10:25:44.48+7.25 s | – | – |
| WLFWalferdange | 48.5 | 144 | 10:25:45.95+8.72 s | – | – |
| CLAClavier | 55.2 | 325 | 10:25:46.94+9.71 s | – | – |
| MRGMont Rigi | 59.7 | 23 | 10:25:47.94+10.71 s | – | – |
| GESGesves | 62.8 | 311 | 10:25:48.60+11.37 s | 10:25:55.68+18.45 s | 7.08 |
| MEMSMembach | 68.5 | 15 | 10:25:49.10+11.87 s | – | – |
| DOUDourbes | 83.3 | 277 | 10:25:51.28+14.05 s | – | – |
| TGATangissart | 109.4 | 307 | 10:25:56.42+19.19 s | – | – |
| Dutch seismic network (KNMI)1 station | |||||
| HGNHeimansgroeve | 84.2 | 9 | 10:25:52.00+14.77 s | – | – |
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