? MONTFORT (NL)

16 April 1992

Magnitude
–
Depth
16.5km ± 3.6
Belgian time
01:04:401992-04-16
UTC
23:04:401992-04-15

Main parameters

Date and time1992-04-15 23:04:40 UTC
1992-04-16 01:04:40 Belgian time
Magnitude–
Epicentral coordinates51.158° N, 5.978° E
Uncertainty ± 13.6 km
Depth of hypocenter16.5 ± 3.6 km
Event IDROB 3614

Data source : ROB (Royal Observatory of Belgium)
Last update : 2012-04-27 16:33:58 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
0.3 – 95.2km
Mean velocity, P wave
6.1km/s
Mean velocity, S wave
3.5km/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 16.5 km. P wave: 5 measurements, root-mean-square deviation 0.35 s. S wave: 4 measurements, root-mean-square deviation 0.45 s.

Table of measurements

Station measurements

P- and S-wave arrivals and ground displacement measured at each station. Click a column heading to change the order.

km°UTCUTCs
Belgian seismic network (Royal Observatory of Belgium)3 stations
ODLSint Odilienberg1.912523:04:42.52+2.42 s23:04:45.43+5.33 s2.91
THNTHORN9.527323:04:42.93+2.83 s23:04:46.17+6.07 s3.24
KINKinrooi14.426423:04:43.42+3.32 s23:04:46.83+6.73 s3.41
Network BUG1 station
BUGBochum95.27023:04:56.36+16.26 s23:05:07.62+27.52 s11.26
Network not specified1 station
LRPLerop0.333323:04:42.45+2.35 s––
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