GEROLSTEIN (DE)
Quarry blast9 November 2017
- Magnitude
- 2.8ML
- Depth
- –
- Belgian time
- 11:51:572017-11-09
- UTC
- 10:51:572017-11-09
Main parameters
| Date and time | 2017-11-09 10:51:57 UTC 2017-11-09 11:51:57 Belgian time |
|---|---|
| Magnitude | ML 2.8 |
| Epicentral coordinates | 50.210° N, 6.630° E Uncertainty ± 2.0 km |
| Event ID | ROB 6035 |
Data source : ROB (Royal Observatory of Belgium)
Last update : 2017-11-17 17:16:57 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
- 4
- Epicentral distance
- 39.2 – 69.8km
- Mean velocity, P wave
- 2.6km/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: 4 measurements, root-mean-square deviation 3.09 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)4 stations | |||||
| KLBKalborn | 39.2 | 252 | 10:52:03.24+5.85 s | – | – |
| VIAVianden | 43.3 | 225 | 10:52:09.49+12.10 s | – | – |
| MRGMont Rigi | 51.8 | 311 | 10:52:04.30+6.91 s | – | – |
| WLFWalferdange | 69.8 | 210 | 10:52:17.07+19.68 s | – | – |
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