Phase Data
5 JAN 2012 ( 5)
ot = 16:26:27.17 +/- 1.78 TONGA
lat = -18.584 +/- 9.0
lon = -175.096 +/- 9.4 MAGNITUDE 4.5 (GS)
dep = 197.6 +/- 7.8
118 km (73 miles) W of Neiafu, Tonga (pop 3,000)
282 km (175 miles) N of NUKU`ALOFA, Tonga
324 km (201 miles) SSW of Hihifo, Tonga
2255 km (1400 miles) NNE of Auckland, New Zealand
nph = 95 of 95 se = 0.88 FE=173 A
error ellipse = (134.0, 9.0, 19.3;279.0, 78.0, 11.6; 43.0, 6.0, 4.8)
mb = 4.5 ( 73) ML = 0.0 ( 0) 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
AFI ePn 16:27:49.90 0.1 5.6 35 AFI
eSn 16:28:47.62 S res = -7.3
URZ eP 16:30:57.81 5.2 20.8 198 b:3.2+1 1.5 4.6 URZ
PPTF eP 16:31:29.12 2.5 24.3 92 b:1.7+2 1.6 5.4 PPTF
EIDS eP 16:32:35.34 0.1 32.0 252 b:5.5+0 .85 4.2 EIDS
ARMA eP 16:32:41.13 2.8 32.4 242 b:4.6+1 1.9 4.8 ARMA
JOHN eP 16:33:09.68 4.3 35.5 9 b:1.6+2 .85 5.7 JOHN
CTAO eP 16:33:12.53 -0.8 36.5 261 b:1.1+1 .80 4.6 CTAO
PMG eP 16:33:24.10 0.4 37.7 279 b:2.5+1 1.0 4.8 PMG
COEN eP 16:33:44.93 -0.2 40.3 270 b:1.9+1 1.4 4.4 COEN
MANU eP 16:33:49.08 3.7 40.3 290 b:2.0+2 1.8 5.3 MANU
STKA eP 16:33:52.60 0.8 41.1 243 b:3.0+0 1.5 3.6 STKA
PTCN eP 16:34:05.02 4.8 42.1 107 b:2.1+2 .90 5.7 PTCN
BBOO eP 16:34:30.41 0.6 45.8 242 b:4.8+1 1.4 4.7 BBOO
WRAB eP 16:34:42.79 -0.7 47.6 260 b:1.7+1 .80 4.5 WRAB
WB2 eP 16:34:42.83 -0.7 47.6 260 WB2
eP 16:34:43.05 -0.5
AS01 eP 16:34:43.24 -0.3 47.6 255 AS01
AS31 eP 16:34:43.98 0.1 47.6 255 b:1.4+1 .80 4.4 AS31
GUMO eP 16:35:08.21 0.6 50.8 306 b:3.5+2 1.3 5.7 GUMO
MTN eP 16:35:15.68 -0.5 51.9 268 b:1.7+1 .85 4.7 MTN
FAKI eP 16:35:29.26 -0.6 53.8 280 b:1.6+1 1.2 4.5 FAKI
SOEI eP 16:36:09.27 1.0 59.2 270 b:2.9+1 .80 5.1 SOEI
VNDA eP 16:36:10.62 -2.2 60.1 186 b:5.0+0 1.2 4.1 VNDA
RPN eP 16:36:17.35 -0.1 60.6 111 b:1.1+3 2.0 6.3 RPN
MBWA eP 16:36:19.16 -0.7 61.0 256 b:4.3+1 1.5 5.0 MBWA
LUWI eP 16:36:35.34 -0.3 63.3 278 b:3.2+1 1.1 5.1 LUWI
QSPA eP 16:37:28.22 2.1 71.5 180 b:1.1+1 .90 4.6 QSPA
KKM eP 16:37:33.25 3.4 72.0 283 b:4.8+1 1.5 5.0 KKM
JNU eP 16:37:33.62 -0.8 72.8 315 JNU
UGM eP 16:37:35.40 0.9 72.8 267 b:5.5+2 1.7 6.0 UGM
YULB eP 16:37:47.93 1.9 74.8 301 b:4.6+1 1.5 5.0 YULB
KMRM eP 16:37:50.68 0.6 75.5 38 b:1.8+2 2.0 5.4 KMRM
YHNB eP 16:37:50.69 1.5 75.3 303 b:1.3+2 1.5 5.4 YHNB
WAKR eP 16:37:59.24 0.3 77.1 42 b:3.5+1 1.9 4.8 WAKR
YBH eP 16:37:59.29 0.5 77.1 38 b:3.4+1 1.8 4.8 YBH
DAC eP 16:38:00.00 1.6 77.0 45 b:4.1+0 .95 4.1 DAC
BEKR eP 16:38:00.07 -0.2 77.3 40 b:1.4+1 1.7 4.4 BEKR
PNTR eP 16:38:00.34 0.0 77.3 41 b:6.9+0 .74 4.5 PNTR
NV01 eP 16:38:02.92 0.2 77.8 42 NV01
NV11 eP 16:38:03.32 0.1 77.9 42 b:3.0-1 .90 3.1 NV11
KVN eP 16:38:05.07 -0.3 78.3 42 b:3.0+0 .74 4.1 KVN
TPNV eP 16:38:05.24 -0.2 78.3 45 b:4.4+0 .70 4.3 TPNV
WVOR eP 16:38:13.68 -0.6 79.9 39 b:4.1+0 .75 4.2 WVOR
LCMT eP 16:38:16.36 -0.1 80.3 46 b:2.6+0 .96 3.9 LCMT
319A eP 16:38:16.51 -0.1 80.3 52 b:2.3+1 1.7 4.6 319A
I07A eP 16:38:16.58 -0.2 80.4 37 b:6.3+0 .95 4.3 I07A
X16A eP 16:38:16.74 0.6 80.2 49 b:5.8+0 .95 4.3 X16A
CCUT eP 16:38:17.99 0.3 80.5 45 b:3.7+0 1.0 4.1 CCUT
U15A eP 16:38:19.01 0.5 80.7 47 b:4.9+0 .95 4.2 U15A
SZCU eP 16:38:19.37 0.6 80.7 45 b:3.0+0 .96 4.0 SZCU
X18A eP 16:38:21.18 -0.9 81.4 49 b:1.2+1 1.5 4.4 X18A
G08A eP 16:38:21.81 -0.5 81.5 36 b:6.8+0 1.0 4.3 G08A
MTPU eP 16:38:24.07 0.7 81.6 45 b:8.4+0 1.6 4.2 MTPU
F10A eP 16:38:28.59 -0.8 82.8 37 b:8.4+0 .95 4.4 F10A
SCM eP 16:38:28.92 -1.7 83.1 13 b:1.4+2 2.0 5.3 SCM
MPU eP 16:38:30.07 -0.3 83.0 44 b:4.1+0 .94 4.2 MPU
TMUT eP 16:38:30.82 0.8 82.9 45 b:2.0+1 .48 5.1 TMUT
HLID eP 16:38:31.07 0.1 83.1 40 b:6.3+0 .95 4.3 HLID
SPUT eP 16:38:31.09 0.0 83.1 42 b:4.7+0 .96 4.2 SPUT
HVU eP 16:38:31.17 -0.1 83.2 42 b:5.2+0 .66 4.4 HVU
P17A eP 16:38:31.80 -0.1 83.3 45 b:6.1+0 .62 4.5 P17A
SRU eP 16:38:31.87 0.1 83.2 45 b:9.3+0 .76 4.6 SRU
TX31 eP 16:38:31.93 -2.4 83.7 57 TX31
eP 16:38:35.01 0.8
JLU eP 16:38:32.36 -0.2 83.4 44 b:1.9+1 1.8 4.5 JLU
LAZ eP 16:38:32.99 0.5 83.4 51 LAZ
MNTX eP 16:38:33.48 0.8 83.4 54 b:4.7+0 .95 4.2 MNTX
PV10 eP 16:38:33.65 -1.5 83.9 46 PV10
P18A eP 16:38:34.15 0.0 83.7 45 b:4.1+0 .86 4.2 P18A
TCUT eP 16:38:34.40 0.4 83.7 43 b:1.8+1 .66 4.9 TCUT
BNM eP 16:38:34.49 0.7 83.6 51 BNM
LPM eP 16:38:34.58 0.5 83.7 51 LPM
PV09 eP 16:38:34.98 -0.2 83.9 46 PV09
PV05 eP 16:38:35.13 1.0 83.7 47 PV05
PV01 eP 16:38:35.90 -0.2 84.1 47 PV01
ANMO eP 16:38:36.70 0.6 84.1 50 b:6.0+0 1.1 4.2 ANMO
MCMT eP 16:38:39.45 0.2 84.7 39 MCMT
CCB eP 16:38:41.29 -1.4 85.6 11 b:4.7+0 1.0 4.2 CCB
DOT eP 16:38:41.33 -0.8 85.5 13 b:2.7+1 1.4 4.8 DOT
TPAW eP 16:38:41.45 -0.2 85.2 41 b:2.4+1 1.9 4.6 TPAW
LOHW eP 16:38:41.62 -1.3 85.5 41 b:2.1+2 1.7 5.6 LOHW
IMW eP 16:38:41.85 -0.9 85.4 41 b:9.9+0 1.5 4.4 IMW
COLA eP 16:38:41.85 -1.8 85.8 11 b:8.3+0 .90 4.6 COLA
LRM eP 16:38:41.93 -1.2 85.5 39 LRM
ILB eP 16:38:42.17 -1.9 85.9 12 ILB
IMAR eP 16:38:42.28 -1.6 85.8 9 IMAR
IL1 eP 16:38:42.30 -1.8 85.9 12 IL1
LNIG eP 16:38:42.48 0.0 85.4 62 LNIG
PDAR eP 16:38:43.30 -0.8 85.7 42 PDAR
BW06 eP 16:38:44.24 0.1 85.7 42 b:1.3+1 1.8 4.4 BW06
PD31 eP 16:38:44.25 0.1 85.7 42 PD31
YMR eP 16:38:45.49 1.0 85.8 40 b:1.7+1 1.7 4.6 YMR
DAWY eP 16:38:49.05 -0.1 86.9 15 b:3.2+1 2.0 4.8 DAWY
CM01 eP 16:39:15.09 0.8 92.1 289 CM01
Generated 2012 JAN 5 at 16:54 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
