Phase Data
15 JAN 2013 ( 15)
ot = 12:30:40.50 +/- 1.50 VANUATU
lat = -20.428 +/- 15.8
lon = 169.344 +/- 12.3 MAGNITUDE 4.5 (GS)
dep = 37.8 +/- 10.3
97 km (61 miles) S of Isangel, Tanna, Vanuatu (pop 700)
196 km (122 miles) NE of Tadine, Loyalty Islands, New Caledonia
317 km (197 miles) SSE of PORT-VILA, Efate, Vanuatu
1834 km (1139 miles) ENE of BRISBANE, Queensland, Australia
nph = 18 of 18 se = 0.74 FE=186 A
error ellipse = (145.0, 10.0, 26.9; 45.0, 43.0, 21.3;246.0, 44.0, 4.3)
mb = 4.5 ( 12) ML = 4.2 ( 4) mblg = 3.9 ( 2) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
DZM ePn 12:31:27.89 0.0 3.2 238 L:7.7-1 .70 4.0 g:1.9-1 .95 3.6 DZM
eSn 12:32:02.15 S res = -2.3
EIDS ePn 12:34:42.03 0.0 17.5 250 b:1.7+1 .90 4.2 EIDS
ARMA eP 12:34:58.13 1.0 18.8 235 b:4.2+1 1.6 4.4 ARMA
BKZ eP 12:35:06.51 0.2 19.7 163 b:8.1+1 1.4 4.8 BKZ
CTAO eP 12:35:29.32 1.3 21.7 267 b:2.4+1 1.4 4.4 CTAO
COEN eP 12:36:09.25 1.0 25.8 280 b:1.2+1 1.1 4.4 COEN
STKA eP 12:36:21.99 0.2 27.3 240 b:7.0-1 .80 3.4 STKA
WB2 eP 12:37:09.77 -0.8 32.8 265 b:1.3+1 1.4 4.6 WB2
eP 12:37:10.19 -0.4
AS01 eP 12:37:10.33 -1.2 32.9 258 AS01
AS31 eP 12:37:10.70 -1.2 33.0 258 b:2.9+0 .80 4.2 AS31
FORT eP 12:37:58.87 0.1 38.4 246 b:4.7+1 1.5 5.1 FORT
FITZ eP 12:38:22.43 0.3 41.2 266 b:2.4+1 1.6 4.7 FITZ
QSPA eP 12:41:45.54 -0.3 69.6 180 b:6.0+0 .85 4.7 QSPA
CM01 eP 12:42:41.65 0.4 79.1 294 CM01
CHTO eP 12:42:41.92 -0.4 79.2 295 b:3.6+0 .85 4.4 CHTO
SONA1eP 12:43:27.02 -0.8 88.2 323 SONA
Generated 2013 JAN 16 at 10:10 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
