WAIMES (BE)
Quarry blast4 April 2019
- Magnitude
- 1.3ML
- Depth
- –
- Belgian time
- 11:53:242019-04-04
- UTC
- 09:53:242019-04-04
Main parameters
| Date and time | 2019-04-04 09:53:24 UTC 2019-04-04 11:53:24 Belgian time |
|---|---|
| Magnitude | ML 1.3 |
| Epicentral coordinates | 50.418° N, 6.105° E Uncertainty ± 2.1 km |
| Event ID | ROB 8020 |
Data source : ROB (Royal Observatory of Belgium)
Last update : 2019-04-04 13:23:49 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
- 10.0 – 35.4km
- Mean velocity, P wave
- 5.2km/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: 5 measurements, root-mean-square deviation 0.14 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 | |||||
| HOUHouvegnez | 10.0 | 225 | 09:53:25.86+1.83 s | 09:53:27.61+3.58 s | 1.75 |
| MRGMont Rigi | 10.6 | 348 | 09:53:25.81+1.78 s | 09:53:27.72+3.69 s | 1.91 |
| MEMHMembach | 22.3 | 342 | 09:53:28.18+4.15 s | – | – |
| MEMSMembach | 22.3 | 342 | 09:53:28.46+4.43 s | – | – |
| KLBKalborn | 35.4 | 180 | 09:53:30.62+6.59 s | 09:53:34.77+10.74 s | 4.15 |
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