Event characteristics This information has been confirmed by a seismologist.
BELGIUM ORID : 267622
20/12/11 13 Arrivals 5 Iterations RMS : 0.41 Type :eq
Origin time: 18:55:18.48 ± 0.05
Latitude : 50.42 ± 0.3 1/2 Major Axis : 1.0 km
Longitude : 4.49 ± 0.6 1/2 Minor Axis : 0.8 km
Depth: 3. (Imposed) Azimuth mj Axis : 56.6 deg
ML : 2.03±0.22 of 5 MD : 1.76±0.08 of 2
Location in relation to nearby cities 6 km W of CHARLEROI (BELGIUM) (207000 residents)
21 km ESE of LA LOUVIERE (BELGIUM) (77000 residents)
26 km W of NAMUR (BELGIUM) (104000 residents)
45 km SSE of BRUSSELS (BELGIUM, Capitale) (951000 residents)
CODE QP PHASE ARRIVAL TIME O-C DIST. AZI. AMPL. PER. ML MD DUREE
GIVF E Pg 18h55 25.72 -0.07 42.2km 145
GIVF E Sg 18h55 30.64 -0.21 42.2km 145 20.8 0.2 1.70 14.2
BAIF E Pg 18h55 26.08 -0.13 44.5km 207
BAIF E Sg 18h55 31.91 0.36 44.5km 207 6.9 0.2 1.82 17.3
MEZF E Pg 18h55 54.93 0.21 216.7km 169
MEZF E Sg 18h56 20.07 0.23 216.7km 169 2.8 0.3 2.19
SFTF E Pg 18h55 59.93 -0.19 248.9km 170
SFTF E Sg 18h56 28.97 0.00 248.9km 170 1.7 0.2 2.20
HAU E Pn 18h56 0.99 0.00 300.1km 152
HAU E Pg 18h56 8.56 -0.05 300.1km 152
HAU E Sg 18h56 43.31 -0.04 300.1km 152 3.6 0.3 2.25
CDF E Sn 18h56 32.69 0.24 301.2km 136 0.4 0.2 1.74
HINF E Sg 18h56 53.44 -0.12 336.7km 148 1.0 0.2 2.05
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