Phase Data
1 OCT 2011 (274)
ot = 10:16:41.60 +/- 1.31 TONGA
lat = -17.104 +/- 13.6
lon = -175.020 +/- 4.5 MAGNITUDE 4.8 (GS)
dep = 204.1 +/- 7.0
186 km (116 miles) SW of Hihifo, Tonga
203 km (126 miles) NNW of Neiafu, Tonga
446 km (277 miles) N of NUKU`ALOFA, Tonga
2408 km (1495 miles) NNE of Auckland, New Zealand
nph = 141 of 145 se = 0.64 FE=173 A
error ellipse = (346.0, 0.0, 21.3;255.0, 67.0, 11.4; 77.0, 21.0, 1.8)
mb = 4.8 ( 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 10:17:55.97 6.6X 4.5 45 L:6.3+0 1.1 5.4 AFI
eSn 10:18:46.92 S res = 4.3X
MSVF ePn 10:18:27.83 10.5X 6.6 264 MSVF
DZM eP 10:20:38.99 0.0 18.1 251 b:3.0+1 .70 4.9 DZM
URZ eP 10:21:21.60 0.6 22.2 197 b:9.6+1 .56 5.6 URZ
eS 10:25:09.74 S res = -0.4
BKZ eP 10:21:31.02 0.6 23.2 197 b:2.0+1 .50 5.0 BKZ
HIZ eP 10:21:34.23 4.8X 23.1 201 b:8.5+1 .90 5.4 HIZ
PPT eP 10:21:40.18 -0.3 24.3 95 PPT
BFZ eP 10:21:43.57 -0.2 24.7 196 b:5.6+1 .98 5.2 BFZ
THZ eP 10:22:03.23 1.5 26.7 200 b:3.7+1 .94 5.1 THZ
LTZ eP 10:22:11.17 -0.5 27.8 200 b:3.0+1 .56 5.2 LTZ
OXZ eP 10:22:16.09 -0.5 28.4 200 b:6.0+1 1.3 5.2 OXZ
CRLZ eP 10:22:17.47 0.6 28.4 199 b:2.2+2 1.6 5.6 CRLZ
WHZ eP 10:22:50.44 1.6 32.0 203 b:5.9+1 .60 5.4 WHZ
EIDS eP 10:22:53.61 -0.3 32.6 250 b:1.7+1 .75 4.8 EIDS
ARMA eP 10:23:00.03 1.1 33.1 240 b:6.3+1 .70 5.3 ARMA
CTAO eP 10:23:29.74 -0.2 36.8 259 b:1.9+1 .85 4.7 CTAO
PMG eP 10:23:37.97 1.5 37.5 277 b:2.8+1 .70 5.0 PMG
MANU eP 10:23:57.59 1.7 39.9 288 b:3.6+1 .80 5.0 MANU
COEN eP 10:24:00.33 0.6 40.3 268 b:1.6+1 .65 4.7 COEN
STKA eP 10:24:12.47 0.7 41.8 241 b:2.1+1 .90 4.7 STKA
BBOO eP 10:24:49.51 -0.1 46.6 241 b:9.7+1 1.2 5.1 BBOO
WRAB eP 10:24:58.74 -1.2 47.9 258 b:1.1+1 .65 4.4 WRAB
WB2 eP 10:24:58.82 -1.2 48.0 258 WB2
eP 10:24:58.87 -1.2
AS01 eP 10:25:00.29 -0.7 48.1 253 AS01
AS31 eP 10:25:00.85 -0.5 48.1 253 b:5.3+1 .50 5.2 AS31
MTN eP 10:25:30.29 -0.7 52.1 267 b:1.1+1 .80 4.5 MTN
FORT eP 10:25:38.53 -1.1 53.3 244 b:6.0+2 .70 6.3 FORT
SOEI eP 10:26:23.90 1.2 59.3 269 b:1.6+2 1.3 5.6 SOEI
MBWA eP 10:26:35.79 -0.9 61.4 255 b:2.0+1 .55 5.1 MBWA
SBA eP 10:26:37.70 1.8 61.4 184 b:1.8+1 .90 4.8 SBA
VNDA eP 10:26:38.15 1.6 61.5 186 b:1.2+1 .85 4.7 VNDA
JAGI eP 10:27:26.10 -1.3 69.3 267 b:1.0+2 .90 5.6 JAGI
MYLDMeP 10:27:29.11 1.8 69.3 282 b:4.2+1 1.5 4.9 MYLD
SAO eP 10:27:52.99 0.2 73.6 42 b:1.2+1 1.0 4.6 SAO
PMPB eP 10:27:54.22 0.8 73.7 43 b:3.7+1 1.5 4.9 PMPB
MWC eP 10:27:57.49 -0.3 74.4 46 b:2.4+1 1.2 4.8 MWC
KMRM eP 10:27:58.03 1.1 74.3 38 b:2.6+1 .82 5.0 KMRM
CMB eP 10:28:00.94 -0.2 75.1 42 b:7.4+0 .90 4.4 CMB
ISA eP 10:28:00.99 0.4 75.0 45 b:1.1+1 1.1 4.5 ISA
AFDM eP 10:28:02.04 0.0 75.2 41 b:6.5+0 .94 4.3 AFDM
SRIG eP 10:28:02.08 0.2 75.2 55 b:1.1+1 .80 4.7 SRIG
ORV eP 10:28:02.24 0.0 75.3 40 b:6.5+0 1.0 4.3 ORV
WDC eP 10:28:02.57 0.4 75.3 39 b:6.9+0 .95 4.4 WDC
GSC eP 10:28:05.72 -0.2 75.9 46 b:1.6+1 1.2 4.6 GSC
YBH eP 10:28:06.17 0.4 75.9 38 b:8.3+0 .90 4.5 YBH
KSM eP 10:28:06.21 0.4 75.8 276 b:3.2+1 1.0 5.0 KSM
WAKR eP 10:28:06.81 0.5 75.9 42 b:8.3+0 .78 4.5 WAKR
TVH3 eP 10:28:08.40 0.3 76.3 42 b:3.8+0 .80 4.2 TVH3
PNTR eP 10:28:08.45 0.8 76.2 41 b:1.3+1 .80 4.7 PNTR
YERR eP 10:28:08.74 0.2 76.4 42 b:1.3+1 1.0 4.6 YERR
113A eP 10:28:10.47 0.1 76.7 49 113A
PAHR eP 10:28:10.57 0.2 76.7 41 b:4.6+0 .86 4.2 PAHR
Y12C eP 10:28:10.62 0.5 76.7 48 b:9.3+0 .95 4.5 Y12C
LDFC eP 10:28:12.59 0.9 76.9 47 b:4.1+1 1.2 5.0 LDFC
TPNV eP 10:28:13.12 0.0 77.2 45 b:9.5+0 .80 4.6 TPNV
MOD eP 10:28:14.28 -0.1 77.4 39 b:1.5+1 1.4 4.5 MOD
K05A eP 10:28:15.72 0.5 77.6 38 b:8.3+0 .90 4.5 K05A
SHPR eP 10:28:16.09 0.2 77.7 46 b:5.9+0 .80 4.4 SHPR
W13A eP 10:28:17.00 0.2 77.8 47 W13A
BMN eP 10:28:19.95 -0.2 78.5 41 b:8.2+0 .75 4.5 BMN
WVOR eP 10:28:21.42 -0.1 78.7 39 b:9.2+0 1.1 4.4 WVOR
TUC eP 10:28:21.92 0.5 78.7 51 b:1.1+1 .85 4.6 TUC
LCMT eP 10:28:24.82 0.4 79.2 46 b:4.3+0 .96 4.2 LCMT
319A eP 10:28:25.77 0.5 79.4 53 319A
CCUT eP 10:28:25.84 0.2 79.4 45 b:6.3+0 1.0 4.3 CCUT
SZCU eP 10:28:27.25 0.5 79.6 46 b:5.6+0 1.0 4.3 SZCU
WUAZ eP 10:28:28.22 0.7 79.8 48 b:8.7+0 1.1 4.4 WUAZ
PKCU eP 10:28:31.02 1.7 80.1 46 b:1.1+1 1.1 4.5 PKCU
E07A eP 10:28:31.02 0.3 80.5 35 b:7.5+0 .90 4.4 E07A
HAWA eP 10:28:31.25 0.1 80.6 35 HAWA
BMO eP 10:28:32.55 -0.7 80.9 38 b:3.6+0 .80 4.2 BMO
MFID eP 10:28:33.45 -0.2 81.0 39 b:6.1+0 1.1 4.2 MFID
D08A eP 10:28:34.37 -0.6 81.3 35 b:3.4+1 1.6 4.8 D08A
DUG eP 10:28:34.47 -0.2 81.2 43 b:6.9+0 1.3 4.2 DUG
ZAIG eP 10:28:35.93 0.7 81.2 63 b:9.1+0 1.2 4.3 ZAIG
B08A eP 10:28:36.92 -1.0 81.9 34 b:3.8+0 .75 4.2 B08A
HLID eP 10:28:38.47 -0.2 81.9 40 b:7.6+0 1.0 4.4 HLID
TMUT eP 10:28:38.54 0.4 81.8 45 b:8.4+0 .86 4.5 TMUT
HVU eP 10:28:38.78 -0.3 82.0 42 b:7.4+0 .96 4.4 HVU
SRU eP 10:28:40.05 0.2 82.1 45 b:1.0+1 .92 4.5 SRU
JLU eP 10:28:40.53 0.0 82.3 44 b:6.3+0 .90 4.3 JLU
P17A eP 10:28:40.92 0.9 82.2 45 b:1.5+1 1.3 4.6 P17A
LAZ eP 10:28:41.47 0.3 82.4 51 LAZ
MNTX eP 10:28:41.72 0.1 82.5 54 b:4.7+0 .75 4.3 MNTX
HWUT eP 10:28:42.04 -0.6 82.7 43 b:5.5+0 .85 4.3 HWUT
RND eP 10:28:42.54 0.0 82.8 12 RND
MVCO eP 10:28:42.62 0.1 82.6 48 b:1.1+1 1.4 4.4 MVCO
BNM eP 10:28:42.72 0.3 82.6 51 BNM
MCK eP 10:28:43.12 -0.8 83.1 11 MCK
PV05 eP 10:28:43.13 0.7 82.6 47 PV05
PV10 eP 10:28:43.19 -0.2 82.8 46 PV10
TX31 eP 10:28:43.90 0.4 82.8 57 TX31
eP 10:28:44.07 0.4
PV01 eP 10:28:44.22 -0.3 83.0 47 PV01
ANMO eP 10:28:44.76 -0.1 83.1 51 b:1.0+1 1.1 4.5 ANMO
MCMT eP 10:28:47.20 0.1 83.6 39 MCMT
WRH eP 10:28:47.50 -0.6 83.9 11 WRH
CCB eP 10:28:48.02 -1.2 84.1 11 CCB
DOT eP 10:28:48.26 -0.4 84.0 13 DOT
HDA eP 10:28:48.28 -0.7 84.1 12 HDA
BSMT eP 10:28:48.42 -1.0 84.1 36 BSMT
IL1 eP 10:28:48.74 -1.9 84.4 12 IL1
REDW eP 10:28:49.10 -0.4 84.0 41 b:1.3+1 1.1 4.6 REDW
DLMT eP 10:28:49.15 0.0 84.0 39 b:6.1+0 .95 4.3 DLMT
COLA eP 10:28:49.16 -1.0 84.3 11 b:1.9+1 .85 4.9 COLA
MDM eP 10:28:49.32 -0.9 84.3 11 MDM
TPAW eP 10:28:49.33 -0.3 84.0 41 TPAW
ILB eP 10:28:49.47 -1.2 84.4 12 ILB
FXWY eP 10:28:49.59 -0.1 84.1 41 b:6.0+0 1.0 4.3 FXWY
O20A eP 10:28:49.92 -0.4 84.2 45 O20A
SNOW eP 10:28:50.00 -0.1 84.2 41 b:1.2+1 1.0 4.6 SNOW
S22A eP 10:28:50.22 0.3 84.1 48 S22A
MOOW eP 10:28:50.58 -0.2 84.3 41 b:5.7+0 1.2 4.2 MOOW
LOHW eP 10:28:50.76 -0.2 84.3 41 b:5.8+0 1.0 4.3 LOHW
IMW eP 10:28:50.76 0.1 84.3 41 b:8.2+0 .85 4.5 IMW
BW06 eP 10:28:50.99 -1.2 84.6 42 BW06
eP 10:28:51.51 -0.7
PD31 eP 10:28:51.45 -0.8 84.6 42 PD31
QLMT eP 10:28:51.62 0.2 84.4 40 QLMT
LNIG eP 10:28:51.98 -0.5 84.6 62 LNIG
SMCO eP 10:28:52.15 -0.6 84.6 47 b:6.1+0 1.2 4.2 SMCO
YHB eP 10:28:52.48 0.5 84.5 40 b:1.3+1 1.2 4.5 YHB
BOZ eP 10:28:52.57 -0.2 84.7 39 b:8.2+0 1.1 4.4 BOZ
YMR eP 10:28:53.14 0.7 84.6 40 b:3.6+1 2.0 4.8 YMR
YHH eP 10:28:54.03 0.8 84.8 40 b:7.8+0 1.4 4.3 YHH
SDCO eP 10:28:54.20 -0.4 85.0 48 b:2.6+0 .95 4.0 SDCO
H17A eP 10:28:54.26 1.3 84.7 41 H17A
HRY eP 10:28:54.60 -0.2 85.1 38 HRY
DAWY eP 10:28:55.51 -0.4 85.5 15 DAWY
LKWY eP 10:28:55.82 1.8 84.9 41 b:9.3+0 1.2 4.4 LKWY
EGAK eP 10:28:56.50 -0.2 85.6 14 b:1.0+1 .95 4.6 EGAK
MAW eP 10:28:56.83 -0.2 85.7 199 MAW
IPM eP 10:28:57.90 0.5 85.5 276 IPM
JCT eP 10:29:00.92 -0.3 86.4 57 JCT
ABTX eP 10:29:05.62 0.0 87.3 55 ABTX
INK eP 10:29:18.00 -0.7 90.3 14 INK
DGMT eP 10:29:20.52 0.2 90.5 39 DGMT
SNAA eP 10:29:22.81 -0.8 91.3 178 SNAA
CM01 eP 10:29:26.99 0.8 91.7 289 CM01
MIAR eP 10:29:30.02 -0.8 92.7 55 MIAR
WLAR eP 10:29:31.92 0.7 92.8 56 WLAR
WHAR eP 10:29:36.48 0.0 94.0 55 WHAR
Generated 2011 OCT 1 at 10:35 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
