Phase Data
26 SEP 2011 (269)
ot = 07:27:51.81 +/- 1.19 TONGA
lat = -16.716 +/- 11.6
lon = -173.394 +/- 15.1 MAGNITUDE 5.1 (GS)
dep = 31.9 +/- 4.4
93 km (58 miles) SSE of Hihifo, Tonga (pop 2,000)
223 km (138 miles) NNE of Neiafu, Tonga
524 km (326 miles) NNE of NUKU`ALOFA, Tonga
2518 km (1564 miles) NNE of Auckland, New Zealand
nph = 183 of 183 se = 0.59 FE=173 A
error ellipse = (120.0, 2.0, 25.2;210.0, 2.0, 14.4;352.0, 86.0, 6.5)
mb = 5.1 (154) ML = 5.3 ( 2) mblg = 4.8 ( 2) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
AFI ePn 07:28:38.72 -1.2 3.2 29 L:1.7+1 .55 5.3 g:2.6+0 .80 4.8 AFI
eSn 07:29:12.11 S res = -4.9
RAO ePn 07:30:55.56 -0.8 13.2 198 RAO
eSn 07:33:16.39 S res = -5.1
RAR ePn 07:30:59.56 -3.5 13.6 111 RAR
DZM eP 07:32:20.39 1.2 19.7 251 b:6.4+1 1.3 4.8 DZM
OUZ eP 07:32:41.76 0.7 21.8 210 b:2.6+2 1.4 5.4 OUZ
MXZ eP 07:32:43.78 0.2 22.0 198 b:1.5+2 1.4 5.2 MXZ
URZ eP 07:32:54.33 0.1 23.0 199 b:3.0+2 1.2 5.7 URZ
eS 07:37:06.47 S res = 3.7
BKZ eP 07:33:04.11 -0.1 24.0 200 b:3.2+1 .78 4.9 BKZ
HIZ eP 07:33:06.12 2.1 24.0 203 b:3.0+2 1.3 5.6 HIZ
BFZ eP 07:33:18.02 0.6 25.5 199 b:5.1+1 .80 5.2 BFZ
SNZO eP 07:33:27.09 0.2 26.6 200 b:9.1+1 1.2 5.3 SNZO
THZ eP 07:33:35.94 -0.4 27.6 203 b:1.5+2 1.5 5.4 THZ
KHZ eP 07:33:39.16 -0.2 27.9 201 b:2.9+1 .60 5.2 KHZ
LTZ eP 07:33:44.82 -1.4 28.7 202 b:1.1+2 .50 5.8 LTZ
OXZ eP 07:33:49.76 -1.4 29.3 202 b:8.2+1 .52 5.7 OXZ
CAN eP 07:35:08.96 -0.2 38.3 234 b:3.9+1 1.3 5.1 CAN
CTAO eP 07:35:10.61 0.3 38.4 259 b:7.7+0 .80 4.6 CTAO
BBOO eP 07:36:29.22 -0.1 48.2 241 b:5.4+1 1.3 5.4 BBOO
WRAB eP 07:36:39.26 -0.8 49.5 258 b:8.6+0 .55 5.0 WRAB
WB2 eP 07:36:39.37 -0.8 49.5 258 b:1.1+1 .55 5.1 WB2
eP 07:36:39.45 -0.7
AS01 eP 07:36:40.75 -0.3 49.7 253 AS01
AS31 eP 07:36:41.22 -0.2 49.7 253 b:4.0+1 .50 5.7 AS31
SBA eP 07:38:09.29 1.2 62.0 185 b:6.8+0 1.0 4.7 SBA
VNDA eP 07:38:10.51 1.6 62.1 186 b:2.6+0 .85 4.4 VNDA
MBWA eP 07:38:16.14 0.0 63.0 254 b:3.4+1 1.3 5.3 MBWA
MWC eP 07:39:18.52 -0.6 73.1 46 b:1.8+1 1.2 4.9 MWC
CMB eP 07:39:22.78 -0.2 73.7 41 b:1.0+1 1.1 4.8 CMB
PFO eP 07:39:22.96 -0.6 73.8 47 b:1.0+1 1.3 4.7 PFO
ORV eP 07:39:24.37 0.1 74.0 39 b:1.2+1 1.2 4.8 ORV
AFDM eP 07:39:24.40 0.4 73.9 40 b:1.2+1 1.2 4.8 AFDM
WDC eP 07:39:25.22 0.9 74.0 38 b:2.4+1 1.5 4.9 WDC
GSC eP 07:39:26.79 -0.7 74.5 45 b:2.4+1 1.5 5.0 GSC
WAKR eP 07:39:28.45 0.2 74.6 41 b:5.6+1 1.7 5.3 WAKR
PNTR eP 07:39:28.67 -1.1 74.9 41 b:3.0+1 1.4 5.1 PNTR
YBH eP 07:39:28.72 0.6 74.6 37 b:2.6+1 1.5 5.0 YBH
BEKR eP 07:39:29.57 -0.1 74.9 40 b:2.4+1 1.4 5.0 BEKR
TVH3 eP 07:39:29.98 -0.1 74.9 42 b:1.6+1 1.5 4.8 TVH3
TVH2 eP 07:39:30.30 -0.1 75.0 42 b:1.2+1 1.3 4.7 TVH2
YERR eP 07:39:30.51 -0.1 75.0 41 b:2.3+1 1.4 5.0 YERR
113A eP 07:39:32.70 0.8 75.3 49 b:1.6+1 1.2 4.9 113A
PAHR eP 07:39:33.13 0.6 75.4 40 b:2.2+1 1.4 5.0 PAHR
TPNV eP 07:39:34.57 -0.5 75.8 44 b:3.6+1 1.6 5.1 TPNV
MOD eP 07:39:36.88 0.0 76.2 38 b:3.3+1 1.4 5.1 MOD
Y14A eP 07:39:37.77 -0.8 76.4 48 b:6.5+1 1.2 5.5 Y14A
SHPR eP 07:39:37.84 0.0 76.3 45 b:2.3+1 1.4 5.0 SHPR
W13A eP 07:39:38.17 -0.4 76.4 47 b:1.3+1 1.3 4.8 W13A
K05A eP 07:39:38.32 0.4 76.3 37 b:4.4+1 1.3 5.3 K05A
R11A eP 07:39:42.09 0.2 77.0 43 b:1.9+1 1.5 4.9 R11A
BMN eP 07:39:42.53 0.0 77.1 41 b:3.3+1 1.6 5.1 BMN
TUC eP 07:39:43.92 0.8 77.2 51 b:1.8+1 1.3 4.9 TUC
WVOR eP 07:39:44.79 0.6 77.5 38 b:1.9+1 1.2 5.0 WVOR
319A eP 07:39:46.06 -0.9 77.9 52 b:1.4+1 1.0 4.9 319A
LCMT eP 07:39:46.60 0.0 77.9 45 b:1.7+1 1.3 4.9 LCMT
X16A eP 07:39:46.60 0.3 77.8 48 b:1.4+1 1.2 4.8 X16A
CCUT eP 07:39:46.67 -1.2 78.1 45 b:2.4+1 1.4 5.0 CCUT
G06A eP 07:39:47.95 0.7 78.0 35 b:7.7+1 1.8 5.4 G06A
U15A eP 07:39:48.57 -0.2 78.2 46 b:2.9+1 1.5 5.1 U15A
BRLK eP 07:39:48.96 0.3 78.4 11 b:1.8+1 1.2 5.0 BRLK
SZCU eP 07:39:49.81 0.8 78.3 45 b:3.0+1 1.4 5.1 SZCU
RSO eP 07:39:50.96 0.2 78.7 10 RSO
HPIG eP 07:39:51.05 -0.7 78.7 58 b:1.2+1 1.2 4.8 HPIG
D05A eP 07:39:51.67 1.7 78.5 33 b:6.1+1 1.4 5.4 D05A
SEW eP 07:39:52.18 0.2 79.0 12 b:1.9+1 1.2 4.9 SEW
PKCU eP 07:39:53.17 1.6 78.7 45 b:5.7+1 1.8 5.3 PKCU
E07A eP 07:39:54.25 0.2 79.3 34 b:6.3+1 1.7 5.3 E07A
W18A eP 07:39:54.92 0.0 79.4 48 b:2.3+1 1.8 4.9 W18A
LTY eP 07:39:54.95 0.8 79.3 34 b:3.1+1 1.8 5.0 LTY
MSU eP 07:39:55.05 0.1 79.4 45 MSU
MFID eP 07:39:56.25 -0.4 79.7 39 b:2.0+1 1.4 4.9 MFID
BMO eP 07:39:56.50 0.2 79.7 37 b:2.3+1 1.5 4.9 BMO
RC01 eP 07:39:56.62 0.0 79.8 11 b:5.9+1 1.6 5.3 RC01
ZAIG eP 07:39:56.68 0.0 79.6 63 b:6.6+0 1.0 4.6 ZAIG
DUG eP 07:39:57.00 -0.3 79.8 43 b:1.7+1 1.3 4.9 DUG
SUA eP 07:39:57.40 -0.3 80.0 11 b:8.6+0 .64 4.9 SUA
GLI eP 07:39:58.22 -0.3 80.2 13 b:4.9+1 1.4 5.3 GLI
D08A eP 07:39:58.73 0.3 80.1 34 b:5.6+1 1.5 5.3 D08A
E09A eP 07:39:59.05 0.1 80.2 35 b:3.8+1 1.5 5.2 E09A
BGU eP 07:39:59.48 0.8 80.1 42 b:3.5+1 1.9 5.0 BGU
PMR eP 07:39:59.51 -0.2 80.4 12 b:1.0+1 .72 4.9 PMR
F10A eP 07:39:59.55 -0.6 80.4 36 b:2.3+1 1.2 5.0 F10A
NLU eP 07:39:59.90 0.5 80.2 43 b:6.6+0 1.3 4.5 NLU
B08A eP 07:40:00.92 -0.7 80.7 33 b:2.2+1 1.3 5.0 B08A
TMUT eP 07:40:01.23 0.5 80.4 44 b:2.3+1 1.1 5.1 TMUT
DIV eP 07:40:01.32 0.0 80.7 13 b:5.0+1 1.4 5.3 DIV
TT01 eP 07:40:01.47 1.0 80.5 8 TT01
HLID eP 07:40:01.47 -0.2 80.6 39 b:1.7+1 1.2 4.9 HLID
BMRM eP 07:40:01.99 0.1 80.8 14 b:3.4+1 1.1 5.2 BMRM
TTA eP 07:40:02.00 1.4 80.6 8 b:7.4+0 .96 4.7 TTA
LLLB eP 07:40:02.47 0.2 80.8 30 b:3.2+1 1.4 5.1 LLLB
SCM eP 07:40:03.02 0.0 81.0 12 b:1.4+1 .76 5.0 SCM
KLU eP 07:40:03.06 0.2 81.0 13 b:1.3+1 1.3 4.8 KLU
SRU eP 07:40:03.12 0.6 80.8 45 b:1.4+1 1.1 4.8 SRU
JLU eP 07:40:03.55 0.2 80.9 43 b:8.8+0 1.2 4.6 JLU
LAZ eP 07:40:04.10 0.7 80.9 50 LAZ
PCA eP 07:40:04.26 0.6 81.1 16 b:4.5+1 1.4 5.3 PCA
TX31 eP 07:40:05.15 -0.4 81.3 56 TX31
eP 07:40:05.52 -0.2
BNM eP 07:40:05.41 0.6 81.2 51 BNM
PV05 eP 07:40:05.57 0.5 81.2 46 PV05
CAST eP 07:40:05.64 -0.5 81.6 10 b:1.6+1 1.6 4.8 CAST
PV09 eP 07:40:05.73 -0.4 81.4 46 PV09
PV10 eP 07:40:05.84 -0.3 81.4 46 PV10
TLIG eP 07:40:06.08 1.1 81.2 69 b:3.0+1 1.5 5.1 TLIG
PV01 eP 07:40:06.82 -0.3 81.6 46 PV01
ANMO eP 07:40:07.11 -0.1 81.6 50 b:2.0+1 1.5 4.9 ANMO
NEW eP 07:40:07.30 -0.2 81.8 34 b:2.3+1 1.5 5.0 NEW
TRF eP 07:40:07.42 -0.6 81.9 10 b:1.8+1 1.2 5.0 TRF
KTH eP 07:40:07.51 -0.3 81.9 10 b:9.2+0 1.1 4.7 KTH
SKAG eP 07:40:08.02 -0.2 82.0 19 b:3.0+1 1.4 5.1 SKAG
DHY eP 07:40:08.96 0.0 82.1 12 b:1.4+1 1.3 4.8 DHY
RND eP 07:40:09.26 0.3 82.1 11 b:1.7+1 1.0 5.0 RND
MCK eP 07:40:10.33 -0.1 82.4 11 b:4.0+1 1.3 5.3 MCK
PAX eP 07:40:10.47 0.1 82.4 13 b:1.7+1 1.4 4.9 PAX
BSMT eP 07:40:12.48 -0.7 82.8 36 BSMT
DLMT eP 07:40:12.55 0.0 82.7 38 b:3.1+1 1.5 5.2 DLMT
S22A eP 07:40:12.57 -0.1 82.7 47 b:3.5+1 1.3 5.3 S22A
LNIG eP 07:40:12.76 -1.8 83.0 62 b:2.6+1 1.3 5.2 LNIG
TPAW eP 07:40:12.78 -0.1 82.7 41 b:3.0+1 1.4 5.2 TPAW
REDW eP 07:40:12.80 0.0 82.7 41 b:4.4+1 1.5 5.3 REDW
SNOW eP 07:40:13.33 -0.1 82.8 41 b:2.5+1 1.2 5.2 SNOW
DLBC eP 07:40:13.52 0.3 82.9 21 b:4.2+1 1.9 5.2 DLBC
LOHW eP 07:40:13.90 -0.3 83.0 41 b:1.8+1 1.3 5.0 LOHW
IMW eP 07:40:14.00 0.0 82.9 40 b:3.7+1 1.5 5.3 IMW
MOOW eP 07:40:14.08 -0.1 83.0 41 b:2.0+1 1.5 5.0 MOOW
BW06 eP 07:40:14.39 -1.1 83.2 42 b:2.8+1 1.4 5.2 BW06
eP 07:40:14.95 -0.5
LRM eP 07:40:14.50 0.1 83.0 38 LRM
WRH eP 07:40:14.58 -0.1 83.2 11 b:4.3+1 1.3 5.4 WRH
PD31 eP 07:40:14.62 -0.9 83.2 42 PD31
CHMT eP 07:40:14.70 -0.3 83.2 37 CHMT
DOT eP 07:40:14.94 0.0 83.3 13 b:7.4+1 1.4 5.6 DOT
SMCO eP 07:40:15.08 -0.6 83.2 46 b:5.5+1 1.7 5.4 SMCO
CCB eP 07:40:15.40 -0.3 83.5 11 b:2.9+1 1.3 5.2 CCB
WHY eP 07:40:15.47 1.4 83.1 18 b:1.9+1 1.3 5.1 WHY
QLMT eP 07:40:15.70 0.9 83.1 39 QLMT
YHB eP 07:40:15.92 0.5 83.2 40 b:3.4+1 1.3 5.3 YHB
IL1 eP 07:40:16.04 -1.1 83.7 11 IL1
BOZ eP 07:40:16.06 -0.3 83.4 39 b:3.1+1 1.3 5.3 BOZ
YPP eP 07:40:16.25 0.8 83.2 40 b:2.3+1 1.6 5.0 YPP
YMR eP 07:40:16.59 0.7 83.3 40 b:7.5+1 1.6 5.6 YMR
ILB eP 07:40:16.75 -0.4 83.7 11 ILB
MDM eP 07:40:17.06 0.2 83.7 11 b:3.4+1 1.4 5.3 MDM
H17A eP 07:40:17.54 1.1 83.4 40 b:3.2+1 1.5 5.2 H17A
YHH eP 07:40:17.56 0.9 83.5 40 b:4.5+1 1.5 5.4 YHH
YNR eP 07:40:17.77 0.8 83.5 40 b:1.2+3 1.7 6.8 YNR
YFT eP 07:40:18.03 2.3 83.3 40 b:1.8+1 1.2 5.1 YFT
HRY eP 07:40:18.28 -0.3 83.9 38 HRY
MSTX eP 07:40:18.51 -0.7 84.0 52 b:3.8+1 1.2 5.4 MSTX
RWWY eP 07:40:19.28 -1.4 84.2 44 b:2.5+1 1.1 5.3 RWWY
T25A eP 07:40:19.67 -0.4 84.1 49 b:6.0+0 1.0 4.7 T25A
ISCO eP 07:40:22.00 0.2 84.4 46 b:1.6+1 1.8 4.9 ISCO
DAWY eP 07:40:22.26 0.1 84.7 14 b:3.3+1 1.4 5.3 DAWY
RLMT eP 07:40:22.52 0.2 84.6 40 b:1.8+1 1.2 5.1 RLMT
GCMT eP 07:40:23.11 0.4 84.7 39 GCMT
N23A eP 07:40:23.40 0.3 84.7 45 b:1.7+1 1.3 5.1 N23A
EGAK eP 07:40:23.67 0.6 84.9 13 b:2.9+1 1.4 5.3 EGAK
epP 07:40:35.15 depth = 2.5
AMTX eP 07:40:24.15 -1.1 85.2 52 b:2.9+1 1.3 5.3 AMTX
K22A eP 07:40:24.26 -0.8 85.1 43 b:2.1+1 1.4 5.1 K22A
PHWY eP 07:40:26.01 0.3 85.2 45 b:2.6+1 1.9 5.1 PHWY
COLD eP 07:40:27.26 1.5 85.4 9 b:2.0+1 1.4 5.1 COLD
ABTX eP 07:40:27.96 -0.5 85.8 54 b:5.7+1 1.4 5.6 ABTX
EGMT eP 07:40:28.62 0.6 85.8 37 b:3.1+1 1.2 5.4 EGMT
MAW eP 07:40:31.96 0.5 86.6 199 b:1.2+0 1.0 4.1 MAW
RSSD eP 07:40:35.59 -0.8 87.4 43 b:1.3+1 1.5 5.0 RSSD
WHTX eP 07:40:35.79 0.1 87.3 56 b:8.5+1 2.0 5.7 WHTX
SNAA eP 07:40:55.35 0.0 91.6 177 b:6.1+0 1.2 4.9 SNAA
ECSD eP 07:40:57.87 -0.5 92.2 45 b:1.0+1 1.4 5.1 ECSD
WHAR eP 07:41:00.43 0.5 92.5 54 b:3.1+1 1.3 5.6 WHAR
OJC ePKPdf 07:47:25.82 0.1 144.9 345 OJC
BUR08ePKPdf 07:47:28.21 1.2 145.6 338 BUR0
MORC ePKPdf 07:47:29.83 2.5 145.9 347 MORC
BR131ePKPbc 07:47:33.32 1.1 147.2 320 BR13
BR231ePKPbc 07:47:33.39 -0.1 147.6 320 BR23
BFO ePKPbc 07:47:36.26 1.0 148.4 358 BFO
FUORNePKPbc 07:47:40.30 0.7 150.0 355 FUOR
TUE ePKPbc 07:47:40.86 0.9 150.2 356 TUE
BNI ePKPbc 07:47:45.10 1.6 151.7 360 BNI
ePKPab 07:47:53.35 1.1
Generated 2011 SEP 26 at 07:54 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
