Phase Data
21 JAN 2012 ( 21)
ot = 11:53:07.49 +/- 2.16 VANUATU
lat = -15.085 +/- 11.7
lon = 167.132 +/- 6.3 MAGNITUDE 4.5 (GS)
dep = 120.8 +/- 9.6
50 km (31 miles) N of Luganville, Espiritu Santo, Vanuatu (pop 11,000)
319 km (198 miles) NNW of PORT-VILA, Efate, Vanuatu
543 km (337 miles) NNW of Isangel, Tanna, Vanuatu
2004 km (1244 miles) NE of BRISBANE, Queensland, Australia
nph = 20 of 25 se = 1.06 FE=186 A
error ellipse = (337.0, 2.0, 19.5;216.0, 84.0, 14.7; 68.0, 4.0, 6.5)
mb = 4.5 ( 1) ML = 4.8 ( 2) mblg = 0.0 ( 0) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
DZM ePn 11:54:47.34 0.0 7.0 185 L:3.9-1 .45 4.9 DZM
eSn 11:56:02.45 S res = -2.9X
HNR ePn 11:55:14.56 0.1 9.0 308 HNR
eSn 11:56:55.13 S res = 1.3X
AFI eP 11:57:35.34 -0.4 20.4 89 b:7.5+1 .95 5.0 AFI
PMG eP 11:57:35.85 1.7 20.3 284 b:2.3+1 .95 4.5 PMG
CTAO eP 11:57:36.56 0.3 20.5 253 b:1.8+1 1.0 4.4 CTAO
OUZ eP 11:57:40.98 1.0 20.9 165 b:1.6+1 1.0 4.3 OUZ
PATS eP 11:58:07.11 0.8 23.5 338 b:1.8+2 1.3 5.3 PATS
MXZ eP 11:58:14.69 -0.7 24.5 158 b:4.6+1 1.0 4.9 MXZ
URZ eP 11:58:18.18 0.8 24.7 161 b:5.5+1 1.4 4.8 URZ
BKZ eP 11:58:22.82 -0.6 25.4 163 b:1.2+1 .90 4.4 BKZ
COEN epP 11:58:29.52 2.9X 23.2 270 COEN
RPZ eP 11:58:52.57 -0.9 28.7 174 b:1.4+2 1.8 5.3 RPZ
CRLZ eP 11:58:53.69 -0.1 28.8 172 b:4.8+2 1.7 5.9 CRLZ
STKA eP 11:58:54.45 1.5 28.7 230 b:2.9+0 .60 4.1 STKA
AS31 eP 11:59:25.33 -0.9 32.4 250 b:1.9+0 .65 4.0 AS31
AS01 eP 11:59:25.90 0.0 32.4 250 AS01
epP 11:59:50.94 depth = -0.5X
KKM epP 12:02:52.91 0.3X 54.6 289 KKM
VNDA eP 12:03:17.20 -0.5 62.5 181 b:7.8+0 1.1 4.6 VNDA
SBA eP 12:03:20.24 0.7 62.8 180 b:1.2+1 .90 4.8 SBA
ULN eP 12:05:15.22 -0.7 82.3 324 ULN
SONA1eP 12:05:16.79 -1.0 82.7 324 SONA
HSPM eP 12:05:29.96 1.5 84.8 50 HSPM
Generated 2012 JAN 21 at 12:09 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
