OLNE (BE)
Known mine explosion14 October 2013
- Magnitude
- 1.9ML
- Depth
- 1.9km ± 4.5
- Belgian time
- 15:22:092013-10-14
- UTC
- 13:22:092013-10-14
Main parameters
| Date and time | 2013-10-14 13:22:09 UTC 2013-10-14 15:22:09 Belgian time |
|---|---|
| Magnitude | ML 1.9 |
| Epicentral coordinates | 50.605° N, 5.724° E Uncertainty ± 1.6 km |
| Depth of hypocenter | 1.9 ± 4.5 km |
| Event ID | ROB 4985 |
Data source : ROB (Royal Observatory of Belgium)
Last update : 2013-10-14 18:54:25 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
- 8
- Epicentral distance
- 9.6 – 116.4km
- Mean velocity, P wave
- 5.8km/s
- Mean velocity, S wave
- 3.3km/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. Hypocenter at a depth of 1.9 km. P wave: 8 measurements, root-mean-square deviation 0.23 s. S wave: 7 measurements, root-mean-square deviation 0.64 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 | nm | |
|---|---|---|---|---|---|---|
| Belgian seismic network (Royal Observatory of Belgium)8 stations | ||||||
| LCHLa Chartreuse | 9.6 | 293 | 13:22:10.40+1.29 s | 13:22:12.05+2.94 s | 1.65 | 728.9 |
| STISart Tilman | 11.6 | 258 | 13:22:10.55+1.44 s | – | – | – |
| MEMSMembach | 20.2 | 89 | 13:22:12.60+3.49 s | 13:22:15.62+6.51 s | 3.02 | 178.1 |
| CLAClavier | 36.4 | 235 | 13:22:15.06+5.95 s | 13:22:20.23+11.12 s | 5.17 | 24.2 |
| KLBKalborn | 62.5 | 154 | 13:22:19.78+10.67 s | 13:22:27.31+18.20 s | 7.53 | – |
| MRDMaredsous | 75.8 | 244 | 13:22:21.95+12.84 s | 13:22:32.91+23.80 s | 10.96 | – |
| DOUDourbes | 98.4 | 235 | 13:22:25.96+16.85 s | 13:22:37.53+28.42 s | 11.57 | 7.0 |
| SKQSteenkerque | 116.4 | 273 | 13:22:29.24+20.13 s | 13:22:43.86+34.75 s | 14.62 | – |