Phase Data
20 MAY 2012 (141)
ot = 21:15:18.35 +/- 2.54 VANUATU
lat = -19.052 +/- 11.4
lon = 169.392 +/- 7.0 MAGNITUDE 5.0 (GS)
dep = 47.6 +/- 6.7
57 km (35 miles) NNE of Isangel, Tanna, Vanuatu (pop 700)
185 km (115 miles) SE of PORT-VILA, Efate, Vanuatu
318 km (198 miles) NNE of Tadine, Loyalty Islands, New Caledonia
1915 km (1189 miles) ENE of BRISBANE, Queensland, Australia
nph = 47 of 47 se = 1.25 FE=186 A
error ellipse = (151.0, 8.0, 19.8; 28.0, 73.0, 10.0;243.0, 13.0, 5.4)
mb = 5.0 ( 27) ML = 4.4 ( 2) mblg = 4.1 ( 1) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
DZM ePn 21:16:17.99 -0.4 4.1 222 L:9.4-1 .70 4.4 g:4.2-1 1.1 4.1 DZM
eSn 21:17:05.09 S res = 0.1
MSVF ePn 21:17:16.44 -0.1 8.3 82 MSVF
OUZ ePn 21:19:06.83 -0.1 16.5 168 b:3.1+1 .94 4.4 OUZ
EIDS eP 21:19:25.22 -0.8 18.1 246 b:1.3+2 1.7 4.8 EIDS
ARMA eP 21:19:41.12 -2.6 19.7 232 b:6.6+1 1.3 4.8 ARMA
URZ eP 21:19:49.19 -0.9 20.3 162 b:1.7+2 1.8 5.1 URZ
BKZ eP 21:19:57.51 0.0 21.0 164 b:5.1+1 1.5 4.6 BKZ
CTAO eP 21:20:08.99 2.1 21.8 263 b:6.4+1 1.5 4.8 CTAO
PMG eP 21:20:24.39 -0.4 23.6 291 b:1.0+2 1.3 5.2 PMG
OXZ eP 21:20:32.12 0.8 24.3 175 b:3.0+1 .70 4.9 OXZ
CAN eP 21:20:34.36 3.4 24.3 224 b:1.5+1 1.0 4.5 CAN
STKA eP 21:21:07.42 1.9 28.1 238 b:1.1+1 1.8 4.2 STKA
BBOO eP 21:21:47.85 0.5 32.8 239 b:1.4+1 .90 4.8 BBOO
WB2 eP 21:21:48.90 -0.4 33.0 263 WB2
AS31 eP 21:21:52.20 0.3 33.3 256 b:4.1+0 .65 4.4 AS31
MTN eP 21:22:24.83 -0.9 37.3 274 b:2.8+1 1.0 5.1 MTN
FITZ eP 21:23:01.58 1.2 41.4 264 b:2.4+1 .80 5.0 FITZ
MBWA eP 21:23:41.20 -0.3 46.5 259 b:2.4+1 .95 5.1 MBWA
NWAO eP 21:23:56.88 0.8 48.4 243 b:3.4+1 1.1 5.3 NWAO
VNDA eP 21:25:10.62 0.5 58.6 182 b:2.4+1 1.6 5.1 VNDA
SBA eP 21:25:13.32 1.7 58.8 181 b:4.0+1 1.0 5.5 SBA
JHJ2 eP 21:25:13.73 0.0 59.1 331 b:2.4+3 1.8 7.0 JHJ2
CASY eP 21:25:23.07 0.9 60.3 204 b:3.4+1 1.5 5.2 CASY
CISI eP 21:25:24.19 -1.6 60.7 272 b:8.3+1 1.2 5.7 CISI
PETK eP 21:26:41.82 1.6 72.6 353 PETK
PEA0BeP 21:26:43.55 3.3 72.6 353 b:5.2+1 1.5 5.3 PEA0
CM01 eP 21:27:15.79 0.6 78.5 294 CM01
MAW eP 21:27:16.51 1.5 78.7 202 b:3.6+0 1.1 4.3 MAW
BILL eP 21:27:58.33 0.9 86.9 359 b:3.7+1 1.4 5.4 BILL
BEKR eP 21:27:59.05 -3.6 87.8 47 b:9.9+0 1.2 4.9 BEKR
SONA1eP 21:27:59.59 0.1 87.2 323 SONA
SNAA eP 21:28:07.78 -1.7 89.4 182 b:3.3+1 1.9 5.3 SNAA
IL1 eP 21:28:10.19 -2.1 90.0 17 IL1
X16A eP 21:28:25.25 2.5 92.0 54 b:9.5+0 1.7 4.9 X16A
GEA0 ePKPdf 21:34:47.22 -2.2 144.4 332 GEA0
GEC2 ePKPdf 21:34:47.86 -1.5 144.4 332 GEC2
KHC ePKPdf 21:34:47.96 -1.1 144.2 332 KHC
LIT ePKPdf 21:34:48.73 -1.4 144.7 313 LIT
GRFO ePKPdf 21:34:49.96 0.0 144.8 335 GRFO
FNA ePKPbc 21:34:50.38 0.0 145.1 315 FNA
AGG ePKPbc 21:34:50.84 -0.1 145.3 312 AGG
TTG ePKPdf 21:34:51.43 -0.1 145.6 319 TTG
BLY ePKPdf 21:34:52.09 0.8 145.5 324 BLY
ITM ePKPdf 21:34:54.66 1.7 146.3 309 ITM
BFO ePKPdf 21:34:56.24 2.5 147.0 336 BFO
TUE ePKPbc 21:34:59.12 0.0 148.1 333 TUE
Generated 2012 MAY 20 at 21:39 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
