Phase Data
21 JAN 2012 ( 21)
ot = 21:56:54.79 +/- 1.17 SANTA CRUZ ISLANDS
lat = -11.131 +/- 9.9
lon = 165.409 +/- 16.3 MAGNITUDE 4.5 (GS)
dep = 47.7 +/- 9.4
65 km (40 miles) SW of Lata, Santa Cruz Islands, Solomon Isl. (pop N/A)
389 km (241 miles) ESE of Kira Kira, San Cristobal, Solomon Isl.
626 km (389 miles) ESE of HONIARA, Guadalcanal, Solomon Islands
2226 km (1382 miles) NE of BRISBANE, Queensland, Australia
nph = 20 of 20 se = 0.57 FE=184 A
error ellipse = (259.0, 11.0, 25.6;159.0, 40.0, 19.6; 1.0, 47.0, 5.9)
mb = 4.5 ( 11) ML = 4.3 ( 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
HNR ePn 21:58:16.33 0.3 5.6 287 L:2.7-1 .85 4.3 HNR
DZM ePn 21:59:28.74 0.1 10.9 175 DZM
MANU eP 22:01:24.59 0.4 20.0 296 b:5.2+1 .95 4.8 MANU
CTAO eP 22:01:29.77 1.1 20.5 242 b:2.5+1 1.0 4.5 CTAO
COEN eP 22:01:44.24 0.3 21.9 260 b:2.0+1 1.1 4.4 COEN
BKZ eP 22:02:55.81 0.2 29.6 162 b:5.9+1 1.6 5.0 BKZ
STKA eP 22:03:00.83 0.4 30.1 223 b:1.4+0 .80 3.8 STKA
WB2 eP 22:03:09.10 -0.1 31.1 250 b:1.4+1 1.0 4.6 WB2
eP 22:03:09.23 0.0
WRAB eP 22:03:09.14 0.0 31.1 250 b:1.1+1 1.0 4.6 WRAB
AS01 eP 22:03:20.41 -0.1 32.4 243 AS01
AS31 eP 22:03:20.78 -0.1 32.5 243 b:2.4+0 1.1 3.9 AS31
SEW eP 22:08:57.16 0.7 79.6 21 b:1.8+2 1.7 5.7 SEW
RC01 eP 22:08:59.40 -0.4 80.2 20 RC01
QSPA ePcP 22:09:00.17 -1.3 78.9 180 QSPA
SUA eP 22:09:00.30 0.7 80.1 20 b:1.8+1 .68 5.1 SUA
HDA eP 22:09:16.22 -0.6 83.4 19 b:2.8+1 1.8 5.0 HDA
IL1 eP 22:09:17.73 -0.5 83.7 19 IL1
ILB eP 22:09:17.99 -0.2 83.7 19 ILB
PV10 eP 22:10:04.75 -0.7 93.4 52 PV10
Generated 2012 JAN 21 at 22:45 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
