HILLESHEIM (DE)
Quarry blast26 February 2019
- Magnitude
- 2.0ML
- Depth
- –
- Belgian time
- 11:50:322019-02-26
- UTC
- 10:50:322019-02-26
Main parameters
| Date and time | 2019-02-26 10:50:32 UTC 2019-02-26 11:50:32 Belgian time |
|---|---|
| Magnitude | ML 2.0 |
| Epicentral coordinates | 50.292° N, 6.663° E Uncertainty ± 2.8 km |
| Event ID | ROB 7890 |
Data source : ROB (Royal Observatory of Belgium)
Last update : 2019-02-26 14:15:35 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
- 7
- Epicentral distance
- 44.9 – 149.3km
- Mean velocity, P wave
- 4.3km/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 0.24 s.
Stations farther than 120 km are left out of the fit: the first waves to reach them have travelled beneath the crust, through the mantle, where they propagate faster.
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)7 stations | |||||
| KLBKalborn | 44.9 | 242 | 10:50:39.76+7.03 s | 10:50:46.26+13.53 s | 6.50 |
| HOUHouvegnez | 47.3 | 279 | 10:50:40.31+7.58 s | – | – |
| MRGMont Rigi | 48.4 | 300 | 10:50:40.72+7.99 s | 10:50:46.26+13.53 s | 5.54 |
| VIAVianden | 51.6 | 220 | 10:50:40.72+7.99 s | 10:50:48.08+15.35 s | 7.36 |
| MEMSMembach | 58.2 | 308 | 10:50:42.87+10.14 s | – | – |
| MEMHMembach | 58.2 | 308 | 10:50:42.87+10.14 s | – | – |
| DOUDourbes | 149.3 | 262 | 10:50:57.73+25.00 s | 10:51:16.94+44.21 s | 19.21 |