Phase Data
19 SEP 2012 (263)
ot = 00:15:10.97 +/- 2.30 LOYALTY ISLANDS
lat = -20.180 +/- 4.5
lon = 168.912 +/- 17.6 MAGNITUDE 4.5 (GS)
dep = 48.5 +/- 8.7
79 km (49 miles) SSW of Isangel, Tanna, Vanuatu (pop 700)
186 km (115 miles) NE of Tadine, Loyalty Islands, New Caledonia
278 km (173 miles) SSE of PORT-VILA, Efate, Vanuatu
1808 km (1123 miles) ENE of BRISBANE, Queensland, Australia
nph = 17 of 17 se = 1.13 FE=188 A
error ellipse = ( 87.0, 9.0, 27.5;314.0, 76.0, 12.8;178.0, 9.0, 6.5)
mb = 4.5 ( 8) ML = 3.9 ( 2) mblg = 3.8 ( 1) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
DZM ePn 00:15:54.16 -1.6 3.0 230 L:9.9-1 .55 4.0 g:3.0-1 1.1 3.8 DZM
eSn 00:16:28.42 S res = -1.9
OUZ ePn 00:18:47.37 0.5 15.5 166 b:2.2+1 .88 4.3 OUZ
URZ eP 00:19:34.27 1.7 19.4 160 b:3.3+1 1.0 4.5 URZ
BKZ eP 00:19:40.68 0.9 20.0 163 b:3.1+1 .94 4.6 BKZ
CTAO eP 00:19:55.57 2.1 21.3 266 b:1.6+1 1.0 4.3 CTAO
WB2 eP 00:21:36.25 -0.5 32.4 264 WB2
AS01 eP 00:21:38.04 0.1 32.6 257 AS01
FITZ eP 00:22:48.38 0.0 40.8 265 b:9.0+0 1.0 4.4 FITZ
VNDA eP 00:24:54.82 0.2 57.5 182 b:3.7+0 1.1 4.3 VNDA
SBA eP 00:24:56.76 0.4 57.7 181 b:9.9+0 1.0 4.9 SBA
QSPA eP 00:26:16.31 -0.3 69.9 180 b:8.3+0 .95 4.7 QSPA
SONA1eP 00:27:54.77 -0.2 87.8 323 SONA
GEC2 ePKPbc 00:34:41.59 -1.3 145.2 331 GEC2
GEA0 ePKPbc 00:34:42.10 -0.8 145.2 331 GEA0
BLY ePKPdf 00:34:46.31 1.5 146.1 323 BLY
TUE ePKPbc 00:34:52.72 -0.9 148.9 332 TUE
Generated 2012 SEP 19 at 01:39 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
