30 SEP 2009 (273)
ot = 01:09:29.89 +/- 2.00 SAMOA ISLANDS REGION
lat = -14.972 +/- 12.7
lon = -173.612 +/- 17.9 MAGNITUDE 5.1 (GS)
dep = 10.0 (geophysicist)
110 km (70 miles) N of Hihifo, Tonga (pop 2,000)
240 km (150 miles) WSW of APIA, Samoa
705 km (435 miles) NNE of NUKU'ALOFA, Tonga
2685 km (1670 miles) NNE of Auckland, New Zealand
nph = 57 of 57 se = 0.98 FE=169 A
error ellipse = (113.0, 0.0, 24.7; 23.0, 0.0, 14.7; 0.0, 0.0, 0.0)
mb = 5.1 ( 45) ML = 0.0 ( 0) mblg = 4.0 ( 6) md = 0.0 ( 0) MS = 4.9 ( 3)
sta phase arrival res dist azm amp per mag amp per mag sta
SBA eP 01:20:01.71 0.9 63.6 184 b:5.5+1 1.8 5.4 SBA
VNDA eP 01:20:01.72 0.1 63.7 185 b:6.7+0 .90 4.8 VNDA
CHGN eP 01:20:55.92 1.6 72.2 8 CHGN
CMB eP 01:20:57.13 -0.3 72.6 41 b:6.8+0 1.0 4.7 CMB
GSC eP 01:21:08.42 5.8 73.5 45 b:1.3+1 1.4 4.8 GSC
MOD eP 01:21:10.73 -0.5 75.0 38 b:3.8+1 .85 5.4 MOD
QSPA eP 01:21:11.07 -0.7 75.0 180 b:1.9+1 1.0 5.1 QSPA
K05A eP 01:21:12.05 -0.1 75.1 37 b:8.5+1 1.6 5.5 K05A
H04A eP 01:21:16.52 2.0 75.6 35 H04A
BMN eP 01:21:17.92 0.6 76.0 40 b:8.3+0 .90 4.8 BMN
I07A eP 01:21:21.97 0.7 76.7 36 b:1.2+1 1.0 4.9 I07A
G06A eP 01:21:22.65 1.2 76.8 35 b:1.6+2 2.5 5.7 G06A
J08A eP 01:21:24.02 1.7 76.9 37 b:1.8+1 1.1 5.0 J08A
ELK eP 01:21:25.48 0.0 77.5 41 b:8.0+0 1.0 4.7 ELK
G08A eP 01:21:28.55 1.5 77.8 36 b:1.7+1 1.2 5.0 G08A
DUG eP 01:21:32.72 0.1 78.7 42 b:1.1+1 1.0 4.8 DUG
F10A eP 01:21:34.30 -0.3 79.1 36 b:1.4+2 2.6 5.5 F10A
BMRM eP 01:21:34.38 -0.1 79.2 13 b:8.4+1 1.8 5.4 BMRM
HLID eP 01:21:36.40 -0.2 79.5 39 b:1.2+1 .95 4.9 HLID
TMUT eP 01:21:37.36 1.1 79.4 44 b:2.0+1 .92 5.1 TMUT
HVU eP 01:21:37.74 0.6 79.6 41 b:9.3+0 .90 4.8 HVU
CAST eP 01:21:37.84 -0.7 79.9 9 b:5.9+0 .76 4.6 CAST
TRF eP 01:21:39.62 -0.9 80.3 10 b:1.9+1 .92 5.1 TRF
SRU eP 01:21:39.81 1.7 79.7 44 b:2.0+1 1.4 4.9 SRU
MCK eP 01:21:42.44 -0.6 80.8 10 b:3.1+1 .92 5.3 MCK
PV05 eP 01:21:42.57 1.7 80.2 46 PV05
ANMO eP 01:21:42.80 -0.8 80.8 50 b:1.2+1 1.3 4.7 ANMO
PV09 eP 01:21:43.30 1.4 80.4 45 PV09
PAX eP 01:21:43.74 0.6 80.8 12 b:3.9+1 1.8 5.1 PAX
HYT eP 01:21:43.93 0.0 80.9 17 HYT
RRI2 eP 01:21:46.68 0.2 81.3 40 b:1.2+1 .85 5.0 RRI2
GDL2 eP 01:21:47.44 1.5 81.2 53 GDL2
MSO eP 01:21:47.67 0.3 81.5 36 b:1.5+1 1.2 4.9 MSO
TPAW eP 01:21:47.77 -0.3 81.6 40 b:1.4+1 .80 5.1 TPAW
BSMT eP 01:21:48.00 0.1 81.6 35 BSMT
REDW eP 01:21:48.13 0.1 81.6 40 REDW
CHMT eP 01:21:48.66 -1.2 82.0 37 CHMT
LRM eP 01:21:48.76 -0.6 81.9 38 LRM
IMW eP 01:21:48.90 -0.3 81.8 40 b:1.1+1 .80 5.0 IMW
LOHW eP 01:21:48.94 -0.6 81.9 40 b:1.0+1 1.2 4.8 LOHW
COLA eP 01:21:48.97 -0.5 82.0 10 b:3.8+1 .70 5.6 COLA
SNOW eP 01:21:49.78 1.1 81.7 40 b:1.7+1 .95 5.1 SNOW
QLMT eP 01:21:50.16 0.2 82.0 39 QLMT
MOOW eP 01:21:50.18 0.8 81.9 40 b:1.8+1 1.6 4.9 MOOW
IMA2 eP 01:21:50.35 -0.3 82.2 8 IMA2
SMCO eP 01:21:51.33 -0.3 82.2 46 b:1.3+2 2.5 5.6 SMCO
FLWY eP 01:21:52.33 1.9 82.1 40 b:1.4+1 .85 5.1 FLWY
HRY eP 01:21:53.49 -0.1 82.7 37 HRY
MSTX eP 01:21:55.20 -0.9 83.1 52 b:0.0+0 2.1 5.7 MSTX
EGAK eP 01:21:56.01 -0.2 83.3 13 b:1.5+1 1.3 5.0 EGAK
ISCO eP 01:21:57.45 -0.4 83.4 45 b:6.5+0 .95 4.8 ISCO
COLD eP 01:21:59.88 1.2 83.8 8 b:1.4+1 1.0 5.1 COLD
PHWY eP 01:22:00.75 -0.9 84.2 44 b:1.4+1 1.2 5.1 PHWY
RWWY eP 01:22:01.75 5.3 83.2 43 b:3.9+1 1.2 5.5 RWWY
RSSD eP 01:22:10.35 -1.9 86.3 42 b:3.7+1 1.1 5.5 RSSD
HKT eP 01:22:15.68 -0.6 87.2 58 b:1.7+1 1.3 5.1 HKT
JTS eP 01:22:36.25 -0.3 91.4 79 JTS
Generated 2009 SEP 30 at 01:29 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
