WAIMES (BE)
Quarry blast11 March 2019
- Magnitude
- 1.3ML
- Depth
- –
- Belgian time
- 16:24:522019-03-11
- UTC
- 15:24:522019-03-11
Main parameters
| Date and time | 2019-03-11 15:24:52 UTC 2019-03-11 16:24:52 Belgian time |
|---|---|
| Magnitude | ML 1.3 |
| Epicentral coordinates | 50.444° N, 6.085° E Uncertainty ± 2.1 km |
| Event ID | ROB 7950 |
Data source : ROB (Royal Observatory of Belgium)
Last update : 2019-03-13 09:44:59 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
- 11
- Epicentral distance
- 7.4 – 71.3km
- Mean velocity, P wave
- 6.0km/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: 11 measurements, root-mean-square deviation 0.65 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)9 stations | |||||
| MRGMont Rigi | 7.4 | 354 | 15:24:53.21+0.36 s | 15:24:55.36+2.51 s | 2.15 |
| HOUHouvegnez | 11.6 | 210 | 15:24:55.12+2.27 s | 15:24:56.42+3.57 s | 1.30 |
| TNLTernell | 16.1 | 11 | 15:24:56.69+3.84 s | – | – |
| MEMSMembach | 19.1 | 344 | 15:24:57.34+4.49 s | 15:25:00.49+7.64 s | 3.15 |
| MEMHMembach | 19.1 | 344 | 15:24:57.44+4.59 s | – | – |
| KLBKalborn | 38.4 | 177 | 15:24:59.89+7.04 s | – | – |
| CLAClavier | 55.7 | 267 | 15:25:02.53+9.68 s | – | – |
| VIAVianden | 57.3 | 172 | 15:25:02.88+10.03 s | – | – |
| GESGesves | 71.3 | 265 | 15:25:05.31+12.46 s | – | – |
| Dutch seismic network (KNMI)2 stations | |||||
| HGNHeimansgroeve | 37.2 | 343 | 15:25:00.60+7.75 s | – | – |
| VKBValkenburg | 51.6 | 336 | 15:25:01.92+9.07 s | – | – |
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