Phase Data
5 JAN 2012 ( 5)
ot = 01:13:40.02 +/- 3.00 TONGA
lat = -17.736 +/- 13.4
lon = -173.465 +/- 13.4 MAGNITUDE 5.4 (GS)
dep = 30.2 +/- 4.5
115 km (71 miles) NNE of Neiafu, Tonga (pop 3,000)
200 km (124 miles) S of Hihifo, Tonga
417 km (259 miles) NNE of NUKU`ALOFA, Tonga
2413 km (1498 miles) NNE of Auckland, New Zealand
nph = 162 of 223 se = 1.48 FE=173 A
error ellipse = (135.0, 5.0, 23.7; 45.0, 0.0, 16.6;313.0, 84.0, 6.5)
mb = 5.3 (187) ML = 4.8 ( 2) mblg = 4.2 ( 2) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
AFI ee 01:14:30.86 0.0X 4.1 23 L:2.6+0 2.2 4.8 g:4.8-1 .80 4.2 AFI
MSVF ee 01:15:45.60 0.0X 8.1 269 MSVF
RAR ee 01:16:32.70 0.0X 13.4 107 RAR
DZM eP 01:18:03.58 0.0 19.4 254 b:1.0+2 1.3 4.9 DZM
OUZ eP 01:18:20.41 0.7 20.9 211 b:6.6+1 1.0 4.9 OUZ
MXZ eP 01:18:23.90 2.5 21.0 199 b:2.3+2 1.7 5.2 MXZ
URZ eP 01:18:30.17 -2.1X 22.0 200 b:1.7+2 .78 5.6 URZ
eS 01:22:34.96 S res = 1.1
BKZ eP 01:18:41.57 -1.6X 23.1 200 b:1.3+2 1.0 5.4 BKZ
eS 01:22:53.98 S res = 1.8
HIZ eP 01:18:44.04 0.8 23.1 204 b:4.3+2 1.0 5.9 HIZ
BFZ eP 01:18:59.01 2.1 24.5 199 b:8.9+1 1.0 5.4 BFZ
XMAS eP 01:19:04.28 1.0 25.2 40 b:1.5+2 1.1 5.6 XMAS
THZ eP 01:19:19.27 3.2X 26.6 203 b:1.3+2 1.5 5.4 THZ
KHZ eP 01:19:22.96 3.9X 27.0 202 b:3.8+1 .76 5.2 KHZ
LTZ eP 01:19:30.34 4.2X 27.8 203 b:5.4+1 .62 5.5 LTZ
OXZ eP 01:19:34.63 3.6X 28.3 203 b:1.9+2 1.2 5.8 OXZ
RPZ eP 01:19:39.64 2.4 29.0 204 b:9.4+1 1.0 5.6 RPZ
FOZ eP 01:19:42.18 2.0 29.3 205 b:1.1+2 1.0 5.6 FOZ
LBZ eP 01:19:46.95 1.7 29.9 204 b:9.3+1 1.4 5.4 LBZ
WHZ eP 01:20:05.74 1.7 32.0 205 b:6.7+1 1.0 5.5 WHZ
ARMA eP 01:20:22.42 -0.2 34.1 242 b:2.5+1 .60 5.3 ARMA
CTAO eP 01:20:55.78 -0.8 38.1 260 b:2.4+1 1.0 4.9 CTAO
COEN eP 01:21:27.14 -0.3 41.8 269 b:1.5+1 .85 4.8 COEN
STKA eP 01:21:36.22 0.5 42.9 242 b:4.7+0 1.1 4.1 STKA
BBOO eP 01:22:12.53 -1.0 47.6 242 b:3.3+1 1.1 5.4 BBOO
WB2 eP 01:22:24.09 -2.4 49.3 259 WB2
eP 01:22:25.15 -1.3
eS 01:29:31.72 S res = 0.7
WRAB eP 01:22:24.56 -1.8 49.3 259 b:2.6+1 1.0 5.2 WRAB
AS01 eP 01:22:24.59 -2.2 49.3 254 AS01
AS31 eP 01:22:26.25 -0.9 49.4 254 b:1.1+1 .70 5.0 AS31
MTN eP 01:22:57.52 -0.7 53.5 267 b:2.6+1 1.0 5.1 MTN
FORT eP 01:23:02.04 -2.0 54.3 245 b:2.9+2 .85 6.3 FORT
VNDA eP 01:23:50.82 0.3 61.1 186 b:2.2+1 1.1 5.2 VNDA
JAGI eP 01:24:52.90 -1.1 70.8 267 b:5.5+1 .90 5.7 JAGI
JNU eP 01:25:05.74 -3.4X 73.4 314 b:1.8+1 1.1 5.1 JNU
PMPB eP 01:25:08.09 -0.1 73.2 42 b:7.1+1 1.4 5.6 PMPB
SAO eP 01:25:08.10 0.5 73.1 42 b:4.7+1 1.3 5.4 SAO
PAGB eP 01:25:09.06 0.6 73.2 43 b:3.3+1 1.2 5.3 PAGB
ASAJ eP 01:25:10.52 0.9 73.5 329 b:1.0+2 1.9 5.6 ASAJ
HOPS eP 01:25:12.87 2.9X 73.5 39 b:5.0+1 1.3 5.4 HOPS
KMRM eP 01:25:13.38 0.9 73.9 38 b:6.1+1 1.1 5.5 KMRM
MWC eP 01:25:13.62 1.6 73.8 45 b:2.7+1 1.3 5.1 MWC
ISA eP 01:25:16.02 0.9 74.4 44 b:3.8+1 1.3 5.2 ISA
CMB eP 01:25:16.17 0.0 74.6 41 b:3.5+1 1.3 5.2 CMB
PFO eP 01:25:16.58 0.2 74.6 47 b:2.6+1 1.2 5.1 PFO
XPFO eP 01:25:16.62 0.3 74.6 47 b:2.8+1 1.2 5.2 XPFO
GLA eP 01:25:17.84 -3.2X 75.4 48 b:2.9+1 1.0 5.3 GLA
WDC eP 01:25:18.04 0.4 74.9 38 b:4.2+1 1.4 5.3 WDC
MDPB eP 01:25:18.49 -1.3 75.1 42 b:2.7+1 1.2 5.1 MDPB
AFDM eP 01:25:18.66 1.4 74.8 40 b:2.0+1 1.2 5.0 AFDM
ORV eP 01:25:18.99 1.4 74.8 39 b:2.3+1 1.4 5.0 ORV
WAKR eP 01:25:19.92 -1.5 75.4 41 b:3.5+1 1.2 5.3 WAKR
DAC eP 01:25:20.56 -0.1 75.3 44 b:1.5+1 1.2 4.9 DAC
NV01 eP 01:25:22.30 -2.9X 76.1 42 NV01
YERR eP 01:25:22.85 -0.9 75.9 41 b:2.7+1 1.1 5.3 YERR
BEKR eP 01:25:22.92 0.1 75.7 40 b:4.0+1 1.5 5.3 BEKR
PNTR eP 01:25:23.20 0.3 75.7 41 b:4.5+1 1.2 5.4 PNTR
NV11 eP 01:25:23.32 -2.4X 76.2 42 b:3.0+0 1.1 4.3 NV11
YBH eP 01:25:24.24 2.7 75.5 37 b:5.4+1 1.5 5.4 YBH
PAHR eP 01:25:25.42 -0.2 76.2 40 b:3.5+1 1.3 5.3 PAHR
KVN eP 01:25:26.24 -1.8 76.6 41 b:2.6+1 1.2 5.2 KVN
TPNV eP 01:25:28.17 0.3 76.6 44 b:4.7+1 1.6 5.4 TPNV
LDFC eP 01:25:29.12 2.9X 76.3 46 b:5.6+1 1.2 5.6 LDFC
MOD eP 01:25:29.94 -0.2 77.0 38 b:3.9+1 1.2 5.4 MOD
SHPR eP 01:25:30.25 -0.3 77.1 45 b:4.0+1 1.5 5.3 SHPR
CISI eP 01:25:30.85 0.0 77.0 266 b:2.9+2 1.6 6.2 CISI
W13A eP 01:25:32.87 1.6 77.2 47 W13A
Y14A eP 01:25:33.17 2.1 77.2 48 b:6.9+1 1.0 5.7 Y14A
TUC eP 01:25:33.51 -1.9X 77.9 50 b:5.2+1 1.4 5.4 TUC
KSM eP 01:25:34.46 1.9 77.3 276 b:2.6+2 1.7 6.1 KSM
KS01 eP 01:25:35.59 1.0 77.8 316 KS01
BMN eP 01:25:35.82 0.3 78.0 41 b:3.3+1 1.3 5.3 BMN
X16A eP 01:25:36.85 -1.9 78.5 48 b:3.2+1 1.3 5.2 X16A
WVOR eP 01:25:37.70 0.4 78.3 38 b:3.6+1 1.3 5.3 WVOR
LCMT eP 01:25:39.37 0.1 78.6 45 b:2.4+1 1.4 5.1 LCMT
J08A eP 01:25:40.85 -0.1 79.0 38 b:5.2+1 1.3 5.4 J08A
CCUT eP 01:25:41.23 0.7 78.8 45 b:3.3+1 1.4 5.2 CCUT
U15A eP 01:25:41.27 0.0 79.0 46 b:2.7+1 1.3 5.1 U15A
319A eP 01:25:41.75 2.6X 78.6 52 319A
SZCU eP 01:25:42.38 0.7 79.0 45 b:2.4+1 1.2 5.1 SZCU
I07A eP 01:25:42.70 2.6X 78.8 37 b:2.5+1 1.2 5.1 I07A
G06A eP 01:25:43.12 2.6 78.9 35 b:6.1+1 1.5 5.4 G06A
G08A eP 01:25:44.37 -1.4 79.9 36 b:3.4+1 1.1 5.2 G08A
WUAZ eP 01:25:44.42 2.3 79.1 47 b:3.0+1 1.3 5.1 WUAZ
PKCU eP 01:25:46.44 2.2 79.5 45 b:1.2+2 1.8 5.6 PKCU
MTPU eP 01:25:46.59 0.2 79.9 45 b:4.0+1 1.4 5.2 MTPU
BMO eP 01:25:47.51 -1.9 80.5 37 b:2.6+1 1.3 5.1 BMO
MSU eP 01:25:47.74 0.1 80.1 44 MSU
MFID eP 01:25:47.95 -1.6 80.5 39 b:2.0+1 1.1 5.0 MFID
RSO eP 01:25:48.77 4.0X 79.7 10 RSO
DUG eP 01:25:50.11 0.1 80.6 43 b:2.0+1 1.3 4.9 DUG
D08A eP 01:25:50.32 -1.3 81.0 34 b:6.1+1 1.4 5.4 D08A
HAWA eP 01:25:50.55 2.9X 80.2 35 b:3.0+1 1.2 5.1 HAWA
LTY eP 01:25:50.70 3.3X 80.2 34 b:2.6+1 1.3 5.0 LTY
ZAIG eP 01:25:50.82 2.8X 80.1 62 b:1.5+1 1.2 4.8 ZAIG
E09A eP 01:25:51.15 -0.9 81.1 35 b:5.1+1 1.4 5.3 E09A
F10A eP 01:25:51.40 -1.8 81.2 36 b:3.5+1 1.0 5.3 F10A
B08A eP 01:25:52.05 -2.7X 81.6 33 b:3.1+1 1.2 5.3 B08A
E08A eP 01:25:52.17 2.9 80.5 35 b:6.8+1 1.7 5.3 E08A
BGU eP 01:25:52.40 1.0 80.9 42 b:1.6+1 1.3 4.9 BGU
PMR eP 01:25:52.51 -1.0 81.4 12 b:8.3+1 1.5 5.6 PMR
HLID eP 01:25:52.59 -2.0 81.5 39 b:4.3+1 1.4 5.3 HLID
GAMB eP 01:25:52.74 0.0 81.3 1 b:4.2+1 1.6 5.2 GAMB
MNTX eP 01:25:53.61 -2.1X 81.7 53 b:2.1+1 1.2 5.1 MNTX
C09A eP 01:25:53.77 -2.1 81.8 34 b:4.8+1 1.4 5.4 C09A
TMUT eP 01:25:54.09 0.8 81.2 44 b:6.4+1 1.6 5.4 TMUT
SRU eP 01:25:54.21 -0.9 81.5 45 b:5.3+1 1.5 5.4 SRU
RC01 eP 01:25:54.39 3.9X 80.8 11 b:4.4+1 1.1 5.3 RC01
SPUT eP 01:25:54.87 0.3 81.4 42 b:3.0+1 1.4 5.2 SPUT
NLU eP 01:25:54.87 2.9X 81.0 43 b:2.6+1 1.8 5.0 NLU
TX31 eP 01:25:54.92 -2.3X 81.9 56 TX31
eP 01:25:55.42 -2.0X
HVU eP 01:25:55.06 0.4 81.5 41 b:3.8+1 1.5 5.3 HVU
LAZ eP 01:25:55.56 0.0 81.6 50 LAZ
Q16A eP 01:25:55.73 3.4X 81.0 44 b:6.4+1 1.9 5.3 Q16A
P17A eP 01:25:55.93 0.7 81.6 44 b:5.9+1 1.6 5.4 P17A
MPU eP 01:25:56.17 2.5X 81.3 43 b:1.5+1 1.2 4.9 MPU
JLU eP 01:25:56.18 0.2 81.7 43 b:2.8+1 1.5 5.1 JLU
TCUT eP 01:25:56.21 -1.3 82.0 42 b:9.1+1 1.3 5.7 TCUT
LPM eP 01:25:56.34 -0.9 81.9 50 LPM
PV05 eP 01:25:57.24 -0.3 82.0 46 PV05
ANMO eP 01:25:57.83 -1.6 82.4 50 b:1.8+1 1.2 5.1 ANMO
P18A eP 01:25:57.94 0.3 82.0 44 b:2.2+1 1.3 5.1 P18A
CTU eP 01:25:58.22 3.1X 81.6 43 b:1.9+1 1.3 5.0 CTU
HWUT eP 01:25:58.30 0.0 82.2 42 b:4.1+1 1.9 5.3 HWUT
LLLB eP 01:25:58.32 2.8 81.7 30 b:6.5+1 1.6 5.5 LLLB
PV10 eP 01:25:58.47 0.0 82.2 46 PV10
DIV eP 01:25:58.83 3.7X 81.7 13 b:8.6+1 1.4 5.6 DIV
PV09 eP 01:25:58.94 0.4 82.2 46 PV09
MVCO eP 01:25:59.17 1.7 82.0 47 b:3.0+1 1.6 5.2 MVCO
BNM eP 01:25:59.41 2.5 81.9 50 BNM
BMRM eP 01:25:59.53 3.8X 81.8 14 b:4.6+1 1.2 5.4 BMRM
PV01 eP 01:25:59.61 0.1 82.4 46 PV01
TRF eP 01:26:00.26 -1.4 82.9 10 b:7.0+1 1.6 5.6 TRF
CAST eP 01:26:00.76 0.9 82.6 10 b:1.6+1 1.1 5.1 CAST
KLU eP 01:26:00.96 4.3X 82.0 13 KLU
SCM eP 01:26:01.06 4.3X 82.0 12 SCM
MCMT eP 01:26:01.41 -1.8 83.1 39 MCMT
RND eP 01:26:01.66 -1.0 83.1 11 b:3.3+1 1.0 5.5 RND
MCK eP 01:26:02.31 -1.7 83.4 11 b:3.9+1 1.0 5.6 MCK
LNIG eP 01:26:02.78 -3.0X 83.6 62 b:6.8+1 1.5 5.7 LNIG
NEW eP 01:26:02.87 2.3X 82.7 34 b:1.2+1 1.2 5.0 NEW
REDW eP 01:26:03.29 -2.1X 83.5 41 b:7.3+1 1.4 5.7 REDW
FXWY eP 01:26:03.64 -2.0 83.6 40 b:5.2+1 1.5 5.5 FXWY
TPAW eP 01:26:03.64 -1.9 83.5 41 b:5.7+1 1.5 5.6 TPAW
PAX eP 01:26:03.70 -0.3 83.4 13 b:2.5+1 1.4 5.3 PAX
KTH eP 01:26:04.50 2.9 82.9 10 b:4.8+1 1.4 5.5 KTH
IMW eP 01:26:04.63 -2.0 83.8 40 b:3.6+1 1.2 5.5 IMW
PDAR eP 01:26:04.74 -3.3X 84.0 42 PDAR
MENT eP 01:26:04.84 -0.9 83.7 13 b:3.3+1 1.3 5.4 MENT
SMCO eP 01:26:04.89 -3.1X 84.0 46 b:4.4+1 1.2 5.5 SMCO
PD31 eP 01:26:05.27 -2.8X 84.0 42 PD31
BW06 eP 01:26:05.28 -2.7X 84.0 42 b:3.9+1 1.4 5.4 BW06
SNOW eP 01:26:05.41 -0.6 83.7 41 b:6.0+1 1.3 5.7 SNOW
MOOW eP 01:26:05.46 -1.3 83.8 40 b:2.8+1 1.4 5.3 MOOW
LRM eP 01:26:05.72 -1.5 83.9 38 LRM
QLMT eP 01:26:06.14 -1.4 84.0 39 QLMT
SKAG eP 01:26:06.27 4.5X 83.0 19 SKAG
DHY eP 01:26:06.32 3.7X 83.1 12 b:2.9+1 1.4 5.3 DHY
BPAW eP 01:26:06.96 2.9 83.4 10 b:1.9+1 1.3 5.2 BPAW
MLY eP 01:26:07.26 -1.4 84.3 10 b:3.1+1 1.2 5.4 MLY
YHB eP 01:26:07.26 -0.8 84.1 39 b:7.2+1 1.4 5.7 YHB
JTMT eP 01:26:07.40 0.3 83.9 36 b:3.5+1 1.7 5.3 JTMT
HDA eP 01:26:07.44 -1.6 84.4 11 b:3.7+1 1.1 5.5 HDA
CCB eP 01:26:07.58 -1.7 84.5 11 b:3.1+1 .96 5.5 CCB
MSO eP 01:26:07.60 2.2 83.6 37 b:6.0+1 1.7 5.5 MSO
YMR eP 01:26:07.79 -0.8 84.2 40 b:7.1+1 1.3 5.7 YMR
SDCO eP 01:26:07.81 -1.8 84.3 48 b:1.8+1 1.3 5.2 SDCO
DLMT eP 01:26:08.11 2.8 83.6 38 b:9.3+1 1.9 5.7 DLMT
IL1 eP 01:26:08.34 -2.4X 84.7 11 IL1
YHH eP 01:26:08.46 -0.9 84.3 40 b:7.1+1 1.4 5.7 YHH
MDM eP 01:26:08.66 -1.8 84.7 11 b:9.5+1 1.4 5.8 MDM
COLA eP 01:26:08.81 -1.5 84.7 11 b:5.9+1 1.0 5.8 COLA
HRY eP 01:26:09.04 -2.2X 84.7 38 HRY
IMAR eP 01:26:09.20 -1.7 84.8 8 IMAR
HYT ePcP 01:26:09.31 0.6X 83.5 17 HYT
ILB eP 01:26:09.52 -1.2 84.7 11 ILB
DLBC eP 01:26:09.72 3.1 83.9 21 b:3.7+1 1.5 5.4 DLBC
WALA eP 01:26:10.22 -1.7 84.9 35 b:5.2+1 1.4 5.6 WALA
WHY ePcP 01:26:12.27 0.9X 84.1 18 WHY
YNR eP 01:26:12.45 2.9X 84.4 40 b:5.0+1 1.5 5.5 YNR
MHTCOeP 01:26:13.41 2.3 84.6 49 b:1.9+1 1.4 5.1 MHTC
RLMT eP 01:26:13.57 -1.3 85.4 40 b:3.3+1 1.4 5.3 RLMT
DAWY eP 01:26:14.59 -1.0 85.7 14 b:5.3+1 1.3 5.5 DAWY
AMTX eP 01:26:15.51 -1.6 85.8 52 b:3.2+1 1.2 5.3 AMTX
EGAK eP 01:26:15.51 -1.0 85.9 13 b:2.9+1 1.1 5.3 EGAK
RWWY eP 01:26:16.14 3.1X 85.0 44 b:6.4+1 1.3 5.7 RWWY
ISCO eP 01:26:16.77 2.7X 85.2 46 b:2.9+1 1.6 5.2 ISCO
GCMT eP 01:26:18.40 3.1X 85.5 39 GCMT
COLD eP 01:26:18.81 -0.4 86.5 9 b:3.4+1 1.4 5.3 COLD
JCT eP 01:26:19.01 3.6X 85.5 56 b:3.0+1 1.6 5.2 JCT
PHWY eP 01:26:20.94 3.0X 86.0 45 b:2.5+1 1.7 5.1 PHWY
EGMT eP 01:26:23.32 2.7 86.6 37 b:2.1+1 1.2 5.2 EGMT
IPM eP 01:26:25.50 1.9X 87.1 276 b:1.6+2 1.9 5.9 IPM
PLCA eP 01:26:26.22 -1.4X 88.0 132 b:1.8+1 1.2 5.3 PLCA
RSSD eP 01:26:26.61 -1.9 88.2 43 b:1.2+1 1.1 5.1 RSSD
WMOK eP 01:26:29.40 2.1 88.0 53 b:1.9+1 1.5 5.2 WMOK
PSI eP 01:26:31.61 1.0 88.5 273 b:1.0+2 1.5 5.9 PSI
HKT eP 01:26:32.68 3.1X 88.5 58 b:9.7+1 2.0 5.7 HKT
SNAA eP 01:26:37.10 -2.0X 90.6 177 b:9.3+0 1.0 5.0 SNAA
INK eP 01:26:37.70 -0.8 90.5 14 b:4.1+1 1.6 5.4 INK
NATX eP 01:26:41.06 3.9X 90.1 57 b:1.2+2 1.7 5.9 NATX
LCO eP 01:26:44.83 -2.9 92.2 121 b:2.6+1 1.4 5.4 LCO
YKW3 eP 01:26:45.04 -1.8 92.3 23 b:1.7+1 1.4 5.2 YKW3
WLAR eP 01:26:46.66 0.7 92.0 55 b:4.4+1 1.3 5.6 WLAR
MIAR eP 01:26:48.27 2.7X 91.9 55 b:6.6+1 2.0 5.6 MIAR
WHAR eP 01:26:50.86 -0.5 93.1 54 b:5.7+1 1.5 5.7 WHAR
ECSD eP 01:26:51.97 1.6 93.0 45 b:3.3+1 1.8 5.4 ECSD
X301 eP 01:26:53.30 2.4 93.0 54 b:5.9+1 1.6 5.8 X301
CM01 eP 01:26:53.94 1.6 93.3 288 CM01
FFC eP 01:26:57.64 2.4X 94.1 34 b:2.5+1 1.4 5.3 FFC
AGMN eP 01:27:00.76 0.7 95.1 41 b:3.1+1 1.7 5.5 AGMN
FVM eP 01:27:03.90 2.1 95.4 52 b:4.9+1 1.7 5.7 FVM
ULM eP 01:27:05.22 2.1 95.8 39 b:1.6+1 1.2 5.4 ULM
KBL ePKPdf 01:32:33.19 0.5 122.3 300 KBL
ARU ePKPdf 01:32:37.19 -0.3 125.3 327 ARU
RAYN ePKPdf 01:33:10.14 -1.8 143.2 285 RAYN
MARD ePKPdf 01:33:12.65 -0.8 144.2 310 MARD
KWP ePKPdf 01:33:15.64 0.3 145.6 341 KWP
KHC ePKPbc 01:33:22.76 -0.2 148.2 351 KHC
ANTO ePKPbc 01:33:24.11 0.3 148.3 319 ANTO
Generated 2012 JAN 5 at 01:34 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
