Phase Data
9 SEP 2011 (252)
ot = 02:46:22.04 +/- 1.46 TONGA
lat = -17.194 +/- 13.5
lon = -174.557 +/- 13.8 MAGNITUDE 4.8 (GS)
dep = 121.3 +/- 7.6
162 km (101 miles) SSW of Hihifo, Tonga
172 km (107 miles) NNW of Neiafu, Tonga
441 km (274 miles) N of NUKU`ALOFA, Tonga
2418 km (1502 miles) NNE of Auckland, New Zealand
nph = 158 of 158 se = 0.72 FE=173 A
error ellipse = (133.0, 12.0, 24.5;223.0, 2.0, 16.8;326.0, 77.0, 10.5)
mb = 4.8 ( 79) ML = 5.0 ( 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 02:47:24.96 0.3 4.2 40 L:3.2+0 .95 5.0 AFI
eSn 02:48:09.09 S res = -4.2
DZM eP 02:50:29.94 0.5 18.5 252 b:6.8+1 1.1 4.9 DZM
OUZ eP 02:50:56.23 2.2 20.8 208 b:3.6+1 1.1 4.7 OUZ
LTZ eP 02:52:00.26 -0.1 27.9 201 b:1.1+2 1.7 5.2 LTZ
OXZ eP 02:52:04.62 -0.6 28.4 201 b:8.2+1 1.5 5.2 OXZ
CTAO eP 02:53:21.08 -0.7 37.2 259 b:1.8+1 .95 4.9 CTAO
PMG eP 02:53:30.14 1.5 38.0 277 b:2.4+1 1.0 5.0 PMG
WAKE eP 02:53:51.49 0.8 40.7 332 b:1.2+2 .80 5.7 WAKE
KIP eP 02:53:59.76 1.1 41.7 24 b:4.8+1 .95 5.2 KIP
STKA eP 02:54:03.05 0.0 42.2 241 b:1.8+1 1.0 4.7 STKA
BBOO eP 02:54:40.59 -0.4 47.0 241 b:3.7+1 .85 5.2 BBOO
WB2 eP 02:54:50.42 -1.5 48.4 258 WB2
eP 02:54:50.85 -1.1
AS01 eP 02:54:51.09 -1.7 48.5 253 AS01
AS31 eP 02:54:52.32 -0.8 48.5 253 b:2.5+1 .90 5.0 AS31
VNDA eP 02:56:26.85 1.4 61.5 186 b:1.4+1 1.0 4.9 VNDA
JAGI eP 02:57:17.95 -1.6 69.7 267 b:8.6+1 1.0 5.5 JAGI
MYLDMeP 02:57:19.81 0.3 69.7 282 MYLD
JNU eP 02:57:34.59 0.4 72.2 314 b:1.7+1 .80 4.9 JNU
PEA0 eP 02:57:43.92 -0.2 74.0 343 PEA0
KMRM eP 02:57:46.67 1.3 74.1 38 b:5.5+1 .86 5.4 KMRM
YSS eP 02:57:48.31 1.2 74.5 331 b:3.5+1 .90 5.2 YSS
NACB eP 02:57:48.56 0.2 74.6 302 b:6.5+1 1.4 5.2 NACB
CMB eP 02:57:49.42 0.0 74.8 42 b:1.1+1 1.1 4.6 CMB
ISA eP 02:57:49.49 0.8 74.7 45 b:2.9+1 1.3 4.9 ISA
TPUB eP 02:57:49.71 -1.0 75.0 301 b:2.7+1 1.0 5.0 TPUB
ORV eP 02:57:50.54 0.0 75.1 40 b:7.8+0 .95 4.5 ORV
AFDM eP 02:57:50.65 0.3 75.0 41 b:9.3+0 .94 4.6 AFDM
WDC eP 02:57:51.29 0.7 75.1 39 b:1.1+1 .90 4.6 WDC
YHNB eP 02:57:51.40 0.6 75.0 302 b:2.3+1 1.0 4.9 YHNB
TVH3 eP 02:57:53.18 -3.2 76.0 42 b:1.2+1 1.3 4.5 TVH3
GSC eP 02:57:54.17 0.1 75.6 46 b:1.1+1 1.0 4.6 GSC
WAKR eP 02:57:55.08 0.5 75.7 42 b:9.7+0 .82 4.6 WAKR
CISI eP 02:57:55.96 -0.8 76.0 266 b:7.7+1 .80 5.5 CISI
PNTR eP 02:57:56.62 0.6 76.0 41 b:1.9+1 .92 4.9 PNTR
YERR eP 02:57:57.07 0.2 76.1 41 b:1.1+1 .82 4.7 YERR
TVH2 eP 02:57:57.35 0.6 76.1 42 b:5.5+0 .82 4.4 TVH2
HUMO eP 02:57:57.49 1.0 76.1 37 b:1.5+1 1.1 4.7 HUMO
KSM eP 02:57:58.50 0.6 76.3 276 b:9.0+1 1.2 5.4 KSM
PAHR eP 02:57:58.96 0.2 76.5 41 b:1.2+1 1.0 4.6 PAHR
KS01 eP 02:58:01.09 1.2 76.7 316 KS01
TPNV eP 02:58:01.60 0.2 76.9 45 TPNV
MOD eP 02:58:02.97 0.1 77.2 39 b:2.5+1 1.3 4.8 MOD
K05A eP 02:58:04.22 0.4 77.4 38 b:2.8+1 1.0 5.0 K05A
SHPR eP 02:58:04.53 0.4 77.4 45 b:1.6+1 1.1 4.7 SHPR
W13A eP 02:58:05.65 0.7 77.5 47 W13A
BMN eP 02:58:09.13 0.5 78.2 41 BMN
TUC eP 02:58:10.03 0.5 78.4 51 b:2.5+1 1.5 4.8 TUC
WVOR eP 02:58:10.04 -0.1 78.5 39 b:1.5+1 1.1 4.7 WVOR
BRLK eP 02:58:12.44 0.0 79.1 12 BRLK
X16A eP 02:58:13.32 0.7 78.9 49 X16A
LCMT eP 02:58:13.43 0.7 79.0 46 b:1.8+1 1.4 4.7 LCMT
RSO eP 02:58:13.68 -0.7 79.4 11 RSO
CCUT eP 02:58:13.91 0.0 79.2 45 b:1.3+1 1.2 4.6 CCUT
319A eP 02:58:13.92 0.6 79.1 52 319A
KNB eP 02:58:14.94 0.5 79.3 46 b:4.4+1 1.8 4.9 KNB
U15A eP 02:58:15.60 0.7 79.3 47 U15A
SZCU eP 02:58:15.95 0.9 79.4 45 b:2.0+1 1.3 4.7 SZCU
D05A eP 02:58:16.17 0.8 79.6 34 D05A
WUAZ eP 02:58:16.27 0.5 79.5 48 b:1.7+1 1.3 4.7 WUAZ
PGC eP 02:58:16.67 0.3 79.7 32 PGC
SPU eP 02:58:17.10 -1.4 80.2 11 SPU
HAWA eP 02:58:19.87 0.0 80.4 35 b:1.3+1 1.0 4.7 HAWA
E07A eP 02:58:19.95 0.4 80.3 35 b:1.5+1 .90 4.8 E07A
RC01 eP 02:58:20.17 -0.1 80.5 12 RC01
SUA eP 02:58:20.78 -0.5 80.7 11 b:1.7+1 .92 4.8 SUA
BMO eP 02:58:21.51 -0.4 80.7 37 b:6.7+0 .90 4.4 BMO
MSU eP 02:58:21.58 0.6 80.5 45 MSU
FID eP 02:58:21.76 -0.3 80.9 14 FID
MFID eP 02:58:22.34 0.1 80.8 39 b:1.5+1 1.3 4.6 MFID
PMR eP 02:58:22.59 -0.7 81.1 12 b:1.6+1 .96 4.8 PMR
DUG eP 02:58:23.27 0.1 80.9 43 b:6.9+0 1.2 4.3 DUG
D08A eP 02:58:23.67 -0.1 81.1 35 b:1.3+1 .95 4.7 D08A
TT01 eP 02:58:24.04 0.4 81.2 9 TT01
TTA eP 02:58:24.08 0.2 81.2 9 b:4.2+1 1.6 4.9 TTA
E09A eP 02:58:24.17 -0.2 81.2 36 b:7.8+0 .95 4.5 E09A
F10A eP 02:58:24.87 -0.7 81.4 37 b:1.4+1 .85 4.8 F10A
SML eP 02:58:24.88 -0.4 81.5 12 SML
DIV eP 02:58:24.93 -0.1 81.4 14 DIV
BMRM eP 02:58:25.30 -0.4 81.5 14 BMRM
B08A eP 02:58:25.90 -0.9 81.7 34 b:7.1+0 .85 4.5 B08A
TMUT eP 02:58:25.95 -0.6 81.5 45 b:6.4+1 1.9 5.1 TMUT
HLID eP 02:58:26.06 -1.2 81.7 40 b:1.2+1 1.2 4.6 HLID
SCM eP 02:58:26.20 -0.4 81.7 13 SCM
LLLB eP 02:58:27.30 0.0 81.8 31 LLLB
CAST eP 02:58:27.46 -1.9 82.2 10 CAST
HVU eP 02:58:27.58 -0.1 81.8 42 b:1.1+1 1.1 4.6 HVU
SPUT eP 02:58:27.79 0.2 81.7 42 b:1.5+1 1.2 4.6 SPUT
SRU eP 02:58:28.38 0.0 81.9 45 b:2.4+1 1.3 4.8 SRU
BALM eP 02:58:28.64 -0.3 82.1 15 BALM
JLU eP 02:58:29.22 0.1 82.0 43 b:1.1+1 1.3 4.5 JLU
KTH eP 02:58:29.97 -1.2 82.6 10 KTH
LAZ eP 02:58:30.00 0.6 82.1 51 LAZ
MNTX eP 02:58:30.22 0.4 82.2 54 b:1.1+1 1.1 4.6 MNTX
TRF eP 02:58:30.24 -1.1 82.6 11 TRF
HWUT eP 02:58:31.09 -0.2 82.5 42 b:7.0+0 1.0 4.4 HWUT
BNM eP 02:58:31.31 0.6 82.3 51 BNM
MVCO eP 02:58:31.39 0.4 82.4 48 b:7.0+0 1.1 4.4 MVCO
RND eP 02:58:31.42 -0.9 82.8 11 RND
LPM eP 02:58:31.43 0.4 82.4 51 LPM
HARP eP 02:58:31.66 0.1 82.7 13 HARP
DHY eP 02:58:31.74 -0.7 82.8 12 DHY
PV05 eP 02:58:31.92 1.0 82.4 47 PV05
PV10 eP 02:58:31.95 0.1 82.6 46 PV10
NEW eP 02:58:32.10 -0.6 82.8 35 b:3.8+0 .85 4.3 NEW
TX31 eP 02:58:32.15 0.5 82.5 56 TX31
eP 02:58:32.30 0.5
PV09 eP 02:58:32.50 0.6 82.5 46 PV09
PV01 eP 02:58:32.97 0.0 82.8 47 PV01
MCK eP 02:58:33.05 -0.7 83.1 11 MCK
SKAG eP 02:58:33.11 0.9 82.8 19 b:4.0+1 1.3 5.1 SKAG
PAX eP 02:58:33.33 -0.6 83.1 13 PAX
ANMO eP 02:58:33.56 0.4 82.8 50 b:9.6+0 .80 4.7 ANMO
MENT eP 02:58:34.94 -0.7 83.5 14 b:1.9+1 .96 5.0 MENT
HYT eP 02:58:35.32 0.6 83.2 17 HYT
MCMT eP 02:58:35.86 0.1 83.3 39 MCMT
MSO eP 02:58:37.10 -0.7 83.8 37 b:1.6+1 1.4 4.7 MSO
WRH eP 02:58:37.16 -0.8 83.9 11 WRH
BSMT eP 02:58:37.43 -0.9 83.9 36 BSMT
REDW eP 02:58:37.94 -0.3 83.8 41 REDW
DLMT eP 02:58:37.96 0.1 83.8 39 DLMT
DOT eP 02:58:38.04 -0.4 84.0 13 DOT
CCB eP 02:58:38.16 -0.8 84.1 11 CCB
TPAW eP 02:58:38.28 0.0 83.8 41 b:1.9+1 1.1 4.9 TPAW
WHY eP 02:58:38.45 0.5 83.9 19 WHY
IL1 eP 02:58:38.64 -1.8 84.4 12 IL1
SNOW eP 02:58:38.88 0.1 83.9 41 SNOW
MDM eP 02:58:39.14 -1.0 84.3 11 MDM
MOOW eP 02:58:39.26 -0.3 84.1 41 MOOW
LOHW eP 02:58:39.31 -0.3 84.1 41 LOHW
IMW eP 02:58:39.34 0.0 84.0 41 IMW
ILB eP 02:58:39.52 -0.9 84.4 12 ILB
CHMT eP 02:58:39.55 -0.6 84.2 37 CHMT
QLMT eP 02:58:39.61 -0.5 84.2 40 QLMT
BW06 eP 02:58:39.89 -1.0 84.3 42 BW06
PD31 eP 02:58:40.12 -0.8 84.3 42 PD31
FLWY eP 02:58:40.28 -0.2 84.3 41 FLWY
SMCO eP 02:58:40.75 -0.5 84.4 46 SMCO
BOZ eP 02:58:41.22 -0.4 84.5 39 b:2.8+1 1.7 4.9 BOZ
YMR eP 02:58:42.26 1.1 84.4 40 YMR
YPP eP 02:58:42.31 1.5 84.3 40 YPP
YHH eP 02:58:42.64 0.7 84.5 40 YHH
SDCO eP 02:58:43.02 -0.1 84.7 48 b:1.1+1 1.5 4.5 SDCO
HRY eP 02:58:43.43 -0.3 84.9 38 HRY
WALA eP 02:58:43.77 -0.2 85.0 35 WALA
DAWY eP 02:58:45.54 -0.1 85.4 15 DAWY
EGAK eP 02:58:46.34 -0.1 85.6 14 EGAK
COLD eP 02:58:48.96 0.3 86.1 9 COLD
AMTX eP 02:58:50.52 -0.3 86.3 52 AMTX
EDM eP 02:58:55.52 -0.9 87.6 32 EDM
PSI eP 02:58:56.81 0.0 87.5 274 PSI
RSSD eP 02:59:00.97 -0.3 88.5 43 RSSD
INK eP 02:59:08.17 -0.4 90.3 14 INK
MIAR eP 02:59:19.45 0.1 92.4 55 MIAR
CHTO eP 02:59:19.83 1.0 92.2 289 CHTO
UALR eP 02:59:23.82 -0.3 93.5 55 UALR
WHAR eP 02:59:25.35 0.3 93.7 54 WHAR
Generated 2011 SEP 9 at 03:03 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
