Phase Data
7 JAN 2011 ( 7)
ot = 23:13:06.21 +/- 2.07 TONGA
lat = -19.929 +/- 11.4
lon = -173.718 +/- 9.4 MAGNITUDE 5.4 (GS)
dep = 9.8 +/- 2.0
145 km (90 miles) S of Neiafu, Tonga (pop 3,000)
205 km (125 miles) NE of NUKU`ALOFA, Tonga
440 km (275 miles) S of Hihifo, Tonga
2190 km (1360 miles) NE of Auckland, New Zealand
nph = 222 of 233 se = 1.02 FE=173 A
error ellipse = (157.0, 1.0, 18.0;248.0, 2.0, 13.5; 41.0, 86.0, 2.9)
mb = 5.4 ( 1) ML = 5.2 ( 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
AFI ePn 23:14:35.83 -3.0 6.3 18 L:1.6+0 2.3 5.3 AFI
OUZ eP 23:17:27.78 0.7 18.9 214 b:1.5+2 1.7 4.9 OUZ
URZ eP 23:17:38.83 0.7 19.9 202 b:6.4+1 1.1 4.8 URZ
BKZ eP 23:17:49.78 0.4 20.9 202 b:4.5+1 1.1 4.7 BKZ
THZ eP 23:18:27.07 0.9 24.5 205 b:6.2+2 2.6 5.8 THZ
KHZ eP 23:18:28.38 -0.6 24.9 203 b:5.8+1 .94 5.2 KHZ
LTZ eP 23:18:37.84 1.5 25.7 204 b:5.4+1 .68 5.4 LTZ
OXZ eP 23:18:40.27 -1.0 26.2 204 b:4.4+1 .78 5.2 OXZ
RPZ eP 23:18:48.25 0.6 26.9 205 b:4.1+1 .80 5.2 RPZ
FOZ eP 23:18:53.71 2.9 27.3 207 b:2.5+2 1.5 5.7 FOZ
WHZ eP 23:19:13.78 -1.0 30.0 206 b:2.2+2 2.0 5.6 WHZ
ARMA eP 23:19:40.60 -0.6 32.9 245 b:8.1+1 1.6 5.4 ARMA
CAN eP 23:20:07.71 -1.4 36.2 237 b:6.7+1 1.2 5.4 CAN
CTAO eP 23:20:19.74 -1.2 37.5 263 b:9.1+1 1.3 5.4 CTAO
PMG eP 23:20:34.66 0.0 39.2 280 b:8.5+1 1.2 5.3 PMG
COEN eP 23:20:52.65 -1.9 41.6 271 b:5.0+1 1.1 5.1 COEN
STKA eP 23:20:53.60 -1.5 41.7 244 b:7.0+0 1.0 4.3 STKA
MANU eP 23:20:55.09 -2.7 42.0 290 b:4.7+2 3.0 5.7 MANU
KIP eP 23:21:15.01 2.0 43.9 21 b:1.5+2 1.0 5.8 KIP
BBOO eP 23:21:31.26 -1.9 46.4 243 b:4.9+1 1.2 5.4 BBOO
AS01 eP 23:21:47.69 -2.1 48.5 256 AS01
WRAB eP 23:21:48.42 -2.4 48.6 261 b:1.4+2 1.4 5.8 WRAB
MTN eP 23:22:23.94 -1.1 53.2 269 b:3.7+1 .75 5.4 MTN
FAKI eP 23:22:41.71 1.1 55.3 281 b:1.3+2 1.6 5.7 FAKI
VNDA eP 23:23:05.67 0.9 58.9 186 b:9.9+1 1.9 5.6 VNDA
SBA eP 23:23:07.07 3.3X 58.7 185 b:3.3+1 .90 5.4 SBA
SOEI eP 23:23:17.75 0.5 60.5 270 b:1.8+2 .80 6.3 SOEI
TNTI eP 23:23:21.40 -0.6 61.2 282 b:2.2+2 1.1 6.2 TNTI
NWAO eP 23:23:28.58 0.3 62.2 243 b:2.1+2 1.9 6.0 NWAO
MMRI eP 23:23:34.50 2.2X 62.8 270 b:7.1+1 .80 5.9 MMRI
LUWI eP 23:23:45.90 0.2 64.8 278 b:1.8+2 1.2 6.1 LUWI
JAGI eP 23:24:19.10 -2.1 70.4 268 b:5.5+1 .90 5.7 JAGI
MYLDMeP 23:24:28.06 2.7X 71.1 283 b:1.4+2 1.7 5.8 MYLD
INU eP 23:24:31.35 0.3 72.1 319 INU
ePcP 23:24:36.76 -12.7X
MAJO eP 23:24:31.94 0.3 72.2 321 b:3.1+1 1.0 5.3 MAJO
JNU eP 23:24:46.68 0.4 74.7 314 b:5.4+1 1.2 5.4 JNU
SBUM eP 23:24:54.66 1.0 75.9 278 b:5.6+1 1.4 5.4 SBUM
KMRM eP 23:24:54.93 2.3 75.8 37 b:5.9+1 1.1 5.6 KMRM
AFDM eP 23:24:56.30 -0.7 76.6 40 b:1.3+1 1.0 4.9 AFDM
PFO eP 23:24:56.92 1.6 76.2 46 b:5.0+1 1.7 5.3 PFO
CISI eP 23:24:57.15 -0.9 76.7 267 b:1.4+2 1.1 6.0 CISI
ORV eP 23:24:57.17 -0.2 76.7 39 b:1.6+1 1.3 5.0 ORV
WDC eP 23:24:57.39 -0.3 76.7 38 b:2.4+1 1.3 5.1 WDC
NACB eP 23:24:57.55 -0.6 76.7 302 b:1.9+2 1.1 6.1 NACB
OHCM eP 23:24:58.04 1.4 76.5 39 OHCM
BELC eP 23:24:58.04 -0.3 76.8 46 BELC
PEA0 eP 23:24:59.25 1.2 76.8 343 PEA0
DAC eP 23:24:59.28 -0.6 77.1 44 b:2.5+1 1.5 5.1 DAC
YULB eP 23:24:59.46 2.0 76.6 301 b:5.0+1 1.1 5.5 YULB
TPUB eP 23:24:59.55 -0.7 77.1 301 b:1.5+2 .90 6.1 TPUB
SSLB eP 23:25:00.16 0.1 77.1 301 b:6.3+1 1.0 5.7 SSLB
YBH eP 23:25:01.47 -0.1 77.4 37 b:1.7+1 1.1 5.0 YBH
YHNB eP 23:25:01.55 1.0 77.2 302 b:2.1+2 1.4 6.0 YHNB
KSM eP 23:25:01.75 0.0 77.3 276 b:1.3+2 1.2 5.9 KSM
HSIG eP 23:25:02.36 -1.0 77.7 53 HSIG
NV01 eP 23:25:02.92 -1.7 77.9 42 NV01
HUMO eP 23:25:04.99 1.1 77.8 36 b:2.0+1 1.3 5.1 HUMO
TPNV eP 23:25:06.55 -0.4 78.3 44 b:3.2+1 1.4 5.2 TPNV
SHPR eP 23:25:08.81 -0.7 78.8 45 SHPR
K05A eP 23:25:11.20 0.3 79.1 37 b:4.1+1 1.1 5.3 K05A
KS01 eP 23:25:11.89 0.2 79.2 316 KS01
TUC eP 23:25:12.53 -0.9 79.5 50 b:4.1+1 1.2 5.3 TUC
R11A eP 23:25:13.15 -0.6 79.6 43 b:2.5+1 1.4 5.0 R11A
WVOR eP 23:25:15.84 -1.0 80.2 38 b:2.1+1 1.1 5.0 WVOR
CCUT eP 23:25:19.20 0.0 80.6 45 b:2.3+1 1.1 5.1 CCUT
J08A eP 23:25:19.80 -0.6 80.8 37 b:2.0+1 1.1 5.1 J08A
WUAZ eP 23:25:20.29 -0.1 80.8 47 b:3.1+1 1.3 5.2 WUAZ
HPIG eP 23:25:21.18 0.9 80.7 57 b:2.3+1 1.3 5.0 HPIG
BRLK eP 23:25:24.04 0.3 81.6 12 b:4.0+1 1.2 5.4 BRLK
ELK eP 23:25:24.48 2.0 81.2 41 b:1.3+1 1.3 4.8 ELK
G08A eP 23:25:24.85 -0.5 81.8 36 b:2.6+1 1.1 5.2 G08A
RSO eP 23:25:25.37 -0.4 81.9 10 RSO
MSU eP 23:25:26.68 0.5 81.9 44 MSU
LTY eP 23:25:27.98 0.9 82.1 33 b:2.2+2 2.9 5.8 LTY
DUG eP 23:25:28.26 -0.5 82.4 43 b:9.7+0 1.1 4.8 DUG
HAWA eP 23:25:28.70 1.5 82.2 35 b:3.6+1 1.4 5.3 HAWA
MFID eP 23:25:29.25 0.6 82.4 39 b:1.5+1 1.2 5.0 MFID
E07A eP 23:25:29.25 2.3 82.1 34 b:5.1+1 1.6 5.4 E07A
SPU eP 23:25:30.60 0.9 82.7 10 SPU
D08A eP 23:25:30.87 -0.2 82.9 34 b:3.0+1 1.1 5.4 D08A
O16A eP 23:25:31.19 0.5 82.7 44 b:3.7+1 1.4 5.3 O16A
F10A eP 23:25:31.35 -1.1 83.1 36 b:3.3+1 1.1 5.4 F10A
RC01 eP 23:25:31.37 0.0 83.0 12 b:4.0+1 1.2 5.5 RC01
NLU eP 23:25:31.56 1.0 82.7 43 b:1.8+1 1.5 5.0 NLU
MNTX eP 23:25:31.70 -1.2 83.2 53 b:3.0+1 1.1 5.4 MNTX
TLIG eP 23:25:31.86 1.4 82.6 69 b:3.1+1 1.3 5.3 TLIG
BGU eP 23:25:31.96 1.8 82.7 42 BGU
TMUT eP 23:25:32.11 0.3 82.9 44 b:4.5+1 1.1 5.6 TMUT
HLID eP 23:25:32.54 -1.0 83.3 39 b:2.8+1 1.1 5.4 HLID
SRU eP 23:25:32.56 -0.9 83.3 44 b:4.9+1 1.1 5.6 SRU
TX31 eP 23:25:32.92 -1.2 83.4 56 TX31
HVU eP 23:25:33.10 -0.3 83.3 41 b:2.7+2 2.9 5.9 HVU
B08A eP 23:25:33.57 -0.7 83.5 33 b:2.2+1 1.1 5.3 B08A
P17A eP 23:25:33.61 -0.1 83.3 44 b:5.0+1 1.2 5.6 P17A
PMR eP 23:25:34.09 -0.2 83.6 12 b:1.8+1 1.0 5.2 PMR
BNM eP 23:25:34.52 0.1 83.4 50 BNM
GLI eP 23:25:34.62 1.6 83.4 13 b:6.2+1 1.2 5.7 GLI
JLU eP 23:25:34.70 0.2 83.5 43 b:3.1+1 1.4 5.3 JLU
LPM eP 23:25:34.84 0.1 83.5 50 LPM
MVCO eP 23:25:35.22 -0.2 83.6 47 b:5.4+1 1.7 5.5 MVCO
LAZ eP 23:25:35.65 2.5 83.2 50 LAZ
DIV eP 23:25:35.75 0.0 83.9 13 b:3.2+1 1.1 5.4 DIV
MYKOMeP 23:25:35.81 0.9 83.5 274 b:1.5+2 1.6 5.9 MYKO
PV09 eP 23:25:35.82 -0.9 83.9 46 PV09
CTU eP 23:25:35.91 2.2 83.3 43 b:2.5+1 1.0 5.4 CTU
P18A eP 23:25:35.94 0.0 83.7 44 b:3.2+1 1.0 5.5 P18A
TTA eP 23:25:36.00 0.8 83.8 8 b:2.0+1 1.1 5.3 TTA
PV05 eP 23:25:36.08 0.5 83.7 46 PV05
HWUT eP 23:25:36.15 -0.7 84.0 42 b:6.5+1 1.9 5.5 HWUT
PV10 eP 23:25:36.17 -0.5 83.9 46 PV10
PV01 eP 23:25:36.42 -1.2 84.1 46 PV01
ANMO eP 23:25:36.42 -0.6 83.9 50 b:4.7+1 1.2 5.6 ANMO
BMRM eP 23:25:36.73 0.4 84.0 14 b:4.7+1 1.3 5.5 BMRM
C09A eP 23:25:37.37 2.1 83.7 34 b:3.0+1 1.3 5.3 C09A
KLU eP 23:25:37.38 0.1 84.2 13 b:1.5+1 1.0 5.1 KLU
ePP 23:28:53.82 3.4X
SCM eP 23:25:37.94 0.6 84.2 12 b:2.7+1 .96 5.4 SCM
ePP 23:28:59.18 8.6X
CAST eP 23:25:38.66 -1.7 84.8 10 b:1.1+1 1.0 5.0 CAST
NEW eP 23:25:39.20 -0.7 84.6 34 b:1.0+1 1.0 5.0 NEW
AHID eP 23:25:40.93 -0.6 84.9 41 b:3.3+1 1.1 5.5 AHID
MCMT eP 23:25:41.65 -0.3 85.0 39 MCMT
KTH eP 23:25:41.84 -0.2 85.1 10 b:4.2+1 1.6 5.4 KTH
TRF eP 23:25:41.86 -0.3 85.1 10 b:2.7+1 1.0 5.4 TRF
S22A eP 23:25:42.07 -0.6 85.1 47 b:5.3+1 1.1 5.7 S22A
RND eP 23:25:42.12 -1.0 85.3 11 b:5.1+1 1.0 5.7 RND
SKAG eP 23:25:42.57 0.6 85.1 19 b:2.9+1 1.2 5.4 SKAG
O20A eP 23:25:43.15 -0.6 85.3 45 b:2.9+1 1.0 5.4 O20A
REDW eP 23:25:43.50 -0.4 85.4 41 b:2.8+1 1.2 5.3 REDW
DHY eP 23:25:43.64 0.6 85.3 12 b:2.5+1 1.4 5.2 DHY
BPAW eP 23:25:43.64 -0.8 85.6 10 b:1.2+2 2.7 5.6 BPAW
MCK eP 23:25:43.75 -0.7 85.6 11 b:5.5+1 1.0 5.7 MCK
PAX eP 23:25:43.84 -0.6 85.6 13 b:1.7+1 1.2 5.1 PAX
DLMT eP 23:25:43.90 -0.2 85.4 38 b:1.8+1 1.0 5.2 DLMT
BW06 eP 23:25:43.94 -2.4 85.8 42 BW06
eP 23:25:45.22 -1.1
IMW eP 23:25:43.98 -1.2 85.6 40 b:2.0+1 1.2 5.2 IMW
HARP eP 23:25:44.40 2.3 85.1 13 b:3.8+2 2.8 6.1 HARP
TNA eP 23:25:44.65 1.6 85.3 2 b:1.8+1 1.0 5.2 TNA
LOHW eP 23:25:44.70 -0.7 85.6 41 b:2.0+1 1.3 5.2 LOHW
SMCO eP 23:25:45.08 -0.8 85.7 46 b:2.1+1 1.1 5.3 SMCO
MOOW eP 23:25:45.29 0.0 85.6 40 b:1.9+1 1.4 5.1 MOOW
SNOW eP 23:25:45.44 0.9 85.5 41 b:2.1+1 1.0 5.3 SNOW
LRM eP 23:25:45.70 -0.2 85.8 38 LRM
BSMT eP 23:25:46.47 1.4 85.6 35 BSMT
MSTX eP 23:25:46.75 -1.4 86.2 52 b:8.2+1 1.1 5.8 MSTX
QLMT eP 23:25:46.84 0.7 85.8 39 QLMT
SDCO eP 23:25:46.84 -0.4 86.0 48 b:1.4+1 1.1 5.1 SDCO
BOZ eP 23:25:47.09 -0.6 86.1 39 b:2.8+1 1.2 5.3 BOZ
MLY eP 23:25:47.18 -1.8 86.5 10 b:1.7+1 1.0 5.2 MLY
WRH eP 23:25:47.36 -1.2 86.4 11 b:6.1+1 1.1 5.7 WRH
YMR eP 23:25:47.56 0.5 86.0 40 b:2.3+1 1.2 5.2 YMR
DOT eP 23:25:47.70 -1.0 86.5 13 b:8.7+1 1.0 5.9 DOT
CCB eP 23:25:48.16 -1.4 86.6 11 b:3.0+1 1.0 5.4 CCB
H17A eP 23:25:48.79 1.2 86.1 40 b:1.2+1 1.1 5.0 H17A
IL1 eP 23:25:49.00 -1.9 86.9 11 IL1
YFT eP 23:25:49.49 2.6 86.0 40 b:1.9+1 1.3 5.1 YFT
MDM eP 23:25:49.84 -0.8 86.9 11 b:3.8+1 1.1 5.5 MDM
T25A eP 23:25:50.10 0.6 86.5 49 b:1.8+1 1.2 5.1 T25A
PLCA eP 23:25:50.25 -0.5 86.7 132 PLCA
COLA eP 23:25:50.58 0.1 86.8 11 b:5.7+1 1.1 5.7 COLA
JCT eP 23:25:51.50 -0.2 86.9 56 b:1.7+1 1.2 5.1 JCT
WALA eP 23:25:52.09 1.3 86.8 35 b:1.8+1 1.1 5.2 WALA
Q24A eP 23:25:53.30 1.9 86.8 47 b:1.6+1 1.2 5.1 Q24A
N23A eP 23:25:53.35 0.1 87.2 45 b:1.9+1 1.1 5.3 N23A
ISCO eP 23:25:53.51 1.8 86.9 46 b:7.5+0 1.1 4.8 ISCO
IPM eP 23:25:53.55 0.7 87.1 276 b:7.7+1 1.1 5.8 IPM
AMTX eP 23:25:53.84 -0.2 87.4 52 b:3.5+1 1.1 5.5 AMTX
K22A eP 23:25:54.90 -0.5 87.7 43 b:1.4+1 1.0 5.2 K22A
DAWY eP 23:25:54.92 -0.6 87.9 14 b:3.9+1 1.1 5.6 DAWY
RLMT eP 23:25:54.95 1.7 87.3 40 b:1.2+2 2.8 5.7 RLMT
SNAA eP 23:25:54.99 -3.4X 88.4 177 b:1.2+2 2.5 5.8 SNAA
ABTX eP 23:25:56.25 -0.4 87.9 54 b:6.5+1 1.2 5.8 ABTX
PHWY eP 23:25:56.90 1.2 87.7 45 b:1.5+1 1.3 5.1 PHWY
PSI eP 23:26:00.31 0.8 88.4 273 b:4.0+1 1.1 5.6 PSI
BILL eP 23:26:00.39 -0.1 88.9 353 b:2.5+1 1.3 5.3 BILL
EFI eP 23:26:02.84 -0.1 89.3 146 b:4.8+2 2.2 6.4 EFI
EDM eP 23:26:03.14 -0.3 89.5 32 b:4.5+1 1.2 5.6 EDM
RSSD eP 23:26:04.89 -1.4 90.0 43 b:1.9+1 1.1 5.2 RSSD
WMOK eP 23:26:05.67 1.8 89.5 53 b:1.7+1 1.5 5.1 WMOK
GSI eP 23:26:06.96 3.8X 89.2 272 b:6.2+1 1.1 5.8 GSI
HKT eP 23:26:07.19 1.8 89.8 58 b:3.2+1 1.6 5.3 HKT
CBKS eP 23:26:10.30 1.8 90.5 49 b:1.8+1 1.1 5.2 CBKS
W34A eP 23:26:10.55 2.3 90.4 53 b:3.9+1 1.3 5.5 W34A
LCO eP 23:26:12.40 -0.4 91.3 122 b:4.1+1 1.2 5.6 LCO
U34A eP 23:26:13.07 1.7 91.1 52 b:1.9+1 1.0 5.4 U34A
TUL1 eP 23:26:16.75 0.4 92.2 53 b:2.3+1 1.0 5.5 TUL1
JTS eP 23:26:17.57 0.1 92.3 80 b:4.8+1 1.2 5.7 JTS
INK eP 23:26:18.17 0.2 92.7 14 b:1.4+1 1.2 5.3 INK
KSU1 eP 23:26:20.82 1.5 92.8 50 b:2.5+1 1.1 5.6 KSU1
YKB5 eP 23:26:24.89 -0.8 94.4 24 YKB5
CM01 eP 23:26:24.99 1.2 93.7 288 CM01
CHTO eP 23:26:25.78 1.3 93.9 288 b:1.7+1 1.2 5.3 CHTO
ECSD eP 23:26:26.89 -0.7 94.7 45 b:4.8+1 1.1 5.8 ECSD
LVC eP 23:26:34.19 2.5X 95.3 116 b:1.2+1 1.1 5.2 LVC
ULM eP 23:26:34.47 -6.4X 97.6 39 ULM
ePcP 23:26:40.81 -0.1
AGMN eP 23:26:36.34 -1.3 96.9 41 b:2.6+1 1.1 5.7 AGMN
SPMN eP 23:26:43.50 1.9 97.7 45 b:2.1+1 1.1 5.7 SPMN
SONA1eP 23:26:45.11 2.3 98.0 318 SONA
ePP 23:30:41.39 1.1X
BRVK ePKPdf 23:31:59.20 -0.2 121.3 321 BRVK
ZRNK ePKPdf 23:31:59.57 -1.3 122.1 321 ZRNK
KKAR ePKPdf 23:32:01.70 0.5 122.0 309 KKAR
KBL ePKPdf 23:32:03.49 -0.4 123.1 299 KBL
ARU ePKPdf 23:32:10.59 0.4 127.0 327 ARU
ABKARePKPdf 23:32:13.25 0.1 128.4 318 ABKA
UOSS ePKPdf 23:32:25.07 1.0 133.8 286 UOSS
TSUM ePKPdf 23:32:37.22 2.0 139.6 197 TSUM
KIV ePKPdf 23:32:39.37 1.7 141.4 316 KIV
KIEV ePKPdf 23:32:39.60 -2.9 144.3 335 KIEV
RAYN ePKPdf 23:32:42.11 0.2 143.5 283 RAYN
KMBO ePKPdf 23:32:42.16 0.3 143.1 239 KMBO
OJC ePKPdf 23:32:50.93 2.3 147.9 344 OJC
BR231ePKPdf 23:32:51.24 -1.0 149.8 317 BR23
CLL ePKPbc 23:32:52.02 -0.4 148.2 352 CLL
KHC ePKPdf 23:32:53.20 0.7 150.3 350 KHC
MORC ePKPbc 23:32:53.63 -0.6 148.9 346 MORC
MBAR ePKPbc 23:32:55.04 0.5 148.5 232 MBAR
TIRR ePKPbc 23:32:56.24 0.7 149.4 328 TIRR
PSZ ePKPbc 23:32:56.94 -0.1 150.0 341 PSZ
ANTO ePKPbc 23:32:57.16 0.3 149.8 317 ANTO
GEC2 ePKPbc 23:32:57.87 -0.5 150.5 350 GEC2
ePKPbc 23:32:57.93 -0.5
GRFO ePKPbc 23:32:58.31 1.3 150.0 354 GRFO
WLF ePKPbc 23:32:59.07 1.4 150.3 0 WLF
STU ePKPbc 23:32:59.76 0.1 151.1 356 STU
FUORNePKPbc 23:33:04.13 -0.6 153.2 354 FUOR
TUE ePKPbc 23:33:05.92 0.8 153.4 355 TUE
TAM ePKPdf 23:33:16.64 -1.2 177.1 15 TAM
BNI ePKPab 23:33:25.69 2.1 154.9 359 BNI
TIP ePKPab 23:33:41.35 1.1 158.8 337 TIP
Generated 2011 JAN 7 at 23:37 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
