Phase Data
17 OCT 2011 (290)
ot = 12:24:31.98 +/- 0.74 VANUATU REGION
lat = -19.276 +/- 13.5
lon = 167.910 +/- 15.6 MAGNITUDE 4.9 (GS)
dep = 25.7 +/- 5.7
146 km (90 miles) WNW of Isangel, Tanna, Vanuatu (pop 700)
176 km (109 miles) SSW of PORT-VILA, Efate, Vanuatu
252 km (156 miles) N of Tadine, Loyalty Islands, New Caledonia
1771 km (1100 miles) ENE of BRISBANE, Queensland, Australia
nph = 44 of 44 se = 0.37 FE=185 A
error ellipse = (124.0, 6.0, 26.4;214.0, 1.0, 17.6;321.0, 83.0, 8.2)
mb = 4.9 ( 38) ML = 4.0 ( 1) mblg = 3.6 ( 1) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
DZM ePn 12:25:14.93 -4.5 3.1 206 L:8.9-1 .45 4.0 g:1.7-1 .90 3.6 DZM
MSVF ePn 12:26:51.84 1.2 9.7 83 MSVF
TARA eP 12:29:12.98 -1.6 21.1 14 b:8.2+0 1.0 4.1 TARA
WB2 eP 12:30:52.73 -0.1 31.6 263 WB2
AS31 eP 12:30:54.32 -1.3 31.9 256 b:2.6+0 .70 4.3 AS31
AS01 eP 12:30:56.87 1.7 31.9 256 AS01
FITZ eP 12:32:03.96 -0.9 40.0 265 b:2.1+1 .85 4.9 FITZ
MBWA eP 12:32:48.58 2.1 45.1 259 b:3.0+1 .95 5.2 MBWA
SBA eP 12:34:26.36 0.0 58.6 180 b:1.4+1 1.2 4.9 SBA
CM01 eP 12:36:24.82 -0.2 77.4 295 CM01
SVW2 eP 12:37:06.12 -0.1 85.3 17 b:1.5+1 1.1 5.1 SVW2
RSO eP 12:37:08.18 0.3 85.6 18 RSO
ULN eP 12:37:10.76 -0.2 86.2 324 b:1.6+1 1.4 5.1 ULN
YAK eP 12:37:12.08 -0.2 86.5 343 b:1.8+1 .80 5.3 YAK
SONA1eP 12:37:12.43 -0.3 86.5 324 SONA
TTA eP 12:37:13.08 -0.2 86.7 16 b:4.4+0 .96 4.7 TTA
TT01 eP 12:37:13.19 0.2 86.7 16 TT01
CAST eP 12:37:18.62 -1.5 88.1 17 b:1.2+1 .48 5.5 CAST
WDC eP 12:37:19.24 0.4 87.8 46 b:1.3+1 1.4 5.1 WDC
ORV eP 12:37:20.04 0.0 88.0 47 b:3.3+1 2.0 5.3 ORV
AFDM eP 12:37:20.55 0.0 88.1 48 b:5.2+0 .86 4.9 AFDM
CMB eP 12:37:20.64 0.0 88.1 49 b:5.2+0 .85 4.9 CMB
SNAA eP 12:37:23.32 -1.3 89.1 183 b:6.9+0 1.0 4.9 SNAA
BEKR eP 12:37:24.73 0.1 89.0 47 b:4.0+0 .84 4.8 BEKR
WAKR eP 12:37:25.30 0.4 89.0 49 b:3.3+0 .86 4.7 WAKR
PNTR eP 12:37:25.59 0.0 89.1 48 b:5.8+0 .94 4.9 PNTR
PAHR eP 12:37:27.61 0.1 89.6 48 b:7.6+0 1.1 4.9 PAHR
CCB eP 12:37:28.78 -1.3 90.3 18 b:2.3+1 1.9 5.1 CCB
MOD eP 12:37:28.99 0.0 89.9 45 b:4.8+0 .85 4.8 MOD
MDM eP 12:37:29.34 -1.3 90.4 17 b:2.4+1 1.8 5.2 MDM
HDA eP 12:37:29.51 -0.9 90.4 18 b:4.4+0 .88 4.7 HDA
IL1 eP 12:37:29.90 -1.9 90.6 18 IL1
ILB eP 12:37:30.35 -1.4 90.6 18 ILB
F04A eP 12:37:30.66 -0.1 90.3 41 b:1.1+1 .90 5.1 F04A
TPNV eP 12:37:32.72 0.1 90.7 51 b:3.6+0 .85 4.7 TPNV
LDFC eP 12:37:33.15 0.2 90.7 53 b:1.0+1 .85 5.2 LDFC
D05A eP 12:37:35.35 0.7 91.2 40 b:5.9+1 1.8 5.6 D05A
WVOR eP 12:37:35.50 0.3 91.2 45 b:4.8+0 1.0 4.8 WVOR
BMN eP 12:37:36.06 0.2 91.4 48 b:3.3+0 .75 4.8 BMN
SHPR eP 12:37:36.10 0.5 91.3 52 b:4.6+0 1.1 4.7 SHPR
TUC eP 12:37:43.88 0.0 93.1 57 b:3.9+0 1.1 4.7 TUC
X16A eP 12:37:45.32 0.2 93.3 55 b:2.7+0 .90 4.7 X16A
U15A eP 12:37:45.80 0.3 93.4 53 b:3.0+0 .90 4.7 U15A
319A eP 12:37:48.46 0.4 94.0 58 b:6.0+0 .80 5.1 319A
Generated 2011 OCT 17 at 13:11 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
