Phase Data
17 MAY 2011 (137)
ot = 10:35:32.02 +/- 1.73 TONGA
lat = -15.668 +/- 12.3
lon = -175.201 +/- 12.6 MAGNITUDE 5.2 (GS)
dep = 43.5 +/- 6.1
158 km (98 miles) W of Hihifo, Tonga (pop 2,000)
282 km (175 miles) SSE of MATA'UTU, Ile Uvea, Wallis and Futuna
604 km (375 miles) N of NUKU`ALOFA, Tonga
2548 km (1583 miles) NNE of Auckland, New Zealand
nph = 142 of 143 se = 0.85 FE=173 A
error ellipse = (128.0, 3.0, 20.5; 37.0, 2.0, 17.3;274.0, 86.0, 9.3)
mb = 5.2 (106) ML = 5.2 ( 2) mblg = 3.2 ( 1) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
MSVF ePn 10:37:10.93 1.8 6.8 251 g:3.0-2 1.3 3.2 MSVF
FUNA ePn 10:37:39.07 0.0 9.0 322 L:2.6-1 4.3 5.2 FUNA
TARA eP 10:40:07.19 -0.3 20.6 324 b:2.8+2 1.3 5.4 TARA
HNR eP 10:40:52.62 0.4 25.0 281 b:2.4+2 1.4 5.6 HNR
EIDS epP 10:42:08.69 -5.1 32.9 247 EIDS
ARMA eP 10:42:09.86 0.3 33.7 238 b:3.7+1 1.3 5.1 ARMA
PMG eP 10:42:40.38 0.7 37.2 275 b:2.0+2 1.6 5.8 PMG
COEN eP 10:43:05.26 0.4 40.2 267 b:1.2+2 1.5 5.4 COEN
STKA eP 10:43:22.27 -0.2 42.4 240 b:1.9+1 1.2 4.7 STKA
BBOO eP 10:44:00.14 -0.4 47.2 240 b:8.4+1 1.2 5.6 BBOO
WRAB eP 10:44:06.39 -1.3 48.1 257 b:1.5+2 1.5 5.8 WRAB
WB2 eP 10:44:06.50 -1.3 48.1 257 b:1.4+2 1.4 5.8 WB2
AS01 eP 10:44:08.60 -1.1 48.3 252 AS01
AS31 eP 10:44:09.60 -0.4 48.4 252 b:1.9+1 1.3 4.9 AS31
MTN eP 10:44:36.52 -0.8 52.0 266 b:6.8+1 1.3 5.5 MTN
FITZ eP 10:45:09.63 -0.3 56.5 258 b:8.0+1 1.5 5.5 FITZ
MMRI eP 10:45:42.20 -2.0 61.4 269 b:1.4+2 1.3 5.9 MMRI
LUWI eP 10:45:54.00 0.1 62.8 277 b:1.5+2 1.3 5.9 LUWI
VNDA eP 10:45:54.10 0.5 62.9 186 b:3.3+1 1.4 5.3 VNDA
SBA eP 10:45:54.32 1.4 62.8 184 b:2.4+1 .95 5.3 SBA
KAPI eP 10:46:05.78 -0.1 64.7 272 b:8.0+1 1.8 5.5 KAPI
JAGI eP 10:46:33.20 -1.7 69.2 267 b:1.3+2 1.5 5.7 JAGI
MYLDMeP 10:46:33.71 1.3 68.8 282 b:8.3+1 1.3 5.6 MYLD
CASY eP 10:46:35.31 -0.1 69.4 205 b:6.8+1 1.6 5.4 CASY
JNU eP 10:46:43.77 -0.1 70.7 314 JNU
epP 10:46:57.53 depth = 1.6
KKM eP 10:46:47.21 -0.2 71.2 282 KKM
PEA0 eP 10:46:56.05 2.8 72.4 343 PEA0
CMB eP 10:47:03.64 -0.3 74.1 42 b:2.1+1 1.2 5.0 CMB
QSPA eP 10:47:04.84 -0.3 74.4 180 QSPA
ISA eP 10:47:04.92 1.2 74.1 45 b:2.2+1 1.1 5.0 ISA
AFDM eP 10:47:05.19 0.4 74.3 41 b:1.8+1 1.3 4.8 AFDM
WDC eP 10:47:05.77 1.1 74.3 39 b:7.2+1 1.9 5.3 WDC
GSC eP 10:47:08.97 -0.3 75.0 46 b:2.2+1 1.1 5.0 GSC
KS01 eP 10:47:09.59 -0.5 75.2 316 KS01
YBH eP 10:47:09.64 1.3 74.9 38 b:1.5+1 1.1 4.8 YBH
WAKR eP 10:47:09.79 0.5 75.0 42 WAKR
DAC eP 10:47:10.33 1.0 75.0 45 b:2.2+1 1.5 4.9 DAC
YER eP 10:47:11.44 -0.1 75.4 42 YER
NV01 eP 10:47:11.97 -1.3 75.7 43 NV01
PAHR eP 10:47:13.26 -0.1 75.7 41 b:2.4+1 1.4 5.0 PAHR
NV11 eP 10:47:13.62 -0.2 75.8 43 b:2.7+1 1.1 5.1 NV11
113A eP 10:47:15.07 0.7 75.9 50 b:2.7+1 1.4 5.0 113A
TPNV eP 10:47:17.45 0.9 76.3 45 b:3.2+1 1.4 5.1 TPNV
MOD eP 10:47:17.56 0.4 76.4 39 b:2.3+1 1.4 5.0 MOD
SHPR eP 10:47:18.86 -0.6 76.8 46 b:2.8+1 1.3 5.1 SHPR
K05A eP 10:47:19.20 1.2 76.5 38 b:5.6+1 1.3 5.4 K05A
W13A eP 10:47:20.15 -0.4 77.0 48 b:1.7+1 1.2 5.0 W13A
Y14A eP 10:47:20.55 -0.2 77.0 49 b:5.1+1 1.0 5.5 Y14A
H04A eP 10:47:20.90 0.7 77.0 36 b:2.3+1 1.1 5.1 H04A
WVOR eP 10:47:23.61 -1.0 77.7 39 b:2.1+1 1.3 5.0 WVOR
TUC eP 10:47:25.14 -0.6 77.9 51 b:4.3+1 1.7 5.2 TUC
LCMT eP 10:47:28.11 -0.2 78.4 46 b:2.1+1 1.4 4.9 LCMT
X16A eP 10:47:28.22 -0.3 78.4 49 X16A
319A eP 10:47:29.40 -0.4 78.6 53 b:2.6+1 1.2 5.1 319A
LON eP 10:47:29.47 1.1 78.5 34 b:3.9+1 1.7 5.1 LON
PSUT eP 10:47:29.92 -0.3 78.7 45 b:9.7+0 1.0 4.7 PSUT
KNB eP 10:47:29.95 0.0 78.7 46 b:5.0+1 1.4 5.3 KNB
D05A eP 10:47:30.65 1.4 78.6 34 b:1.1+2 1.4 5.6 D05A
G08A eP 10:47:33.97 1.5 79.2 37 b:1.9+1 1.2 4.9 G08A
X18A eP 10:47:34.92 0.1 79.5 50 X18A
MTPU eP 10:47:35.56 0.3 79.6 46 b:3.8+1 1.5 5.1 MTPU
DIV eP 10:47:36.32 -0.5 80.1 14 b:5.4+1 1.5 5.3 DIV
BMO eP 10:47:36.81 0.5 79.9 38 b:2.8+1 1.6 5.0 BMO
MSU eP 10:47:36.96 0.6 79.8 45 MSU
MFID eP 10:47:37.50 0.5 80.0 40 b:2.6+1 1.5 4.9 MFID
PGC ePcP 10:47:38.90 0.2 78.8 32 PGC
DUG eP 10:47:39.06 0.6 80.2 44 b:1.2+1 1.1 4.7 DUG
KLU eP 10:47:39.30 0.9 80.4 14 b:4.0+1 1.5 5.1 KLU
CAST eP 10:47:39.40 -1.6 80.9 10 b:1.6+1 1.3 4.8 CAST
B08A eP 10:47:40.87 0.0 80.8 34 b:2.2+1 1.3 4.9 B08A
Q16A eP 10:47:41.57 0.4 80.7 45 b:2.8+1 1.6 4.9 Q16A
HLID eP 10:47:41.61 -0.5 80.9 40 b:1.5+1 1.2 4.8 HLID
TMUT eP 10:47:42.42 0.3 80.9 45 b:2.2+1 1.3 4.9 TMUT
JLU eP 10:47:45.11 0.6 81.4 44 b:1.6+1 1.4 4.8 JLU
P17A eP 10:47:45.14 1.1 81.3 45 b:2.3+1 1.4 4.9 P17A
MVCO eP 10:47:45.53 -1.4 81.8 48 MVCO
epP 10:47:55.36 depth = -3.6
BPAW eP 10:47:45.72 0.3 81.7 11 BPAW
epP 10:48:02.31 depth = 4.7
MNTX eP 10:47:45.80 -0.9 81.8 54 b:3.2+1 1.5 5.1 MNTX
LAZ eP 10:47:45.90 0.1 81.6 51 LAZ
PAX eP 10:47:46.20 0.3 81.8 13 b:4.1+1 1.7 5.2 PAX
P18A eP 10:47:46.36 0.0 81.7 45 b:1.6+1 1.4 4.8 P18A
BNM eP 10:47:46.88 -0.3 81.8 51 BNM
LPM eP 10:47:47.48 0.0 81.9 51 LPM
TX31 eP 10:47:48.32 -0.7 82.2 57 TX31
WRH eP 10:47:48.64 -1.2 82.6 12 b:7.6+1 1.4 5.5 WRH
PV09 eP 10:47:48.78 1.1 81.9 47 PV09
MLY eP 10:47:49.12 -1.0 82.6 10 b:2.2+1 1.4 5.0 MLY
CCB eP 10:47:49.48 -1.5 82.8 12 b:1.1+2 1.8 5.6 CCB
IL1 eP 10:47:49.74 -2.8 83.1 12 IL1
COLA eP 10:47:50.66 -1.3 83.0 11 b:1.4+2 1.9 5.7 COLA
ILB eP 10:47:51.72 -0.8 83.1 12 ILB
DLBC eP 10:47:51.82 1.5 82.6 22 b:3.5+1 1.7 5.1 DLBC
epP 10:47:58.87 depth = -3.7
BSMT eP 10:47:52.98 0.1 83.0 36 BSMT
DLMT eP 10:47:53.28 0.5 83.0 39 b:6.6+1 1.9 5.4 DLMT
SNOW eP 10:47:53.30 -0.7 83.2 42 b:3.1+1 1.2 5.2 SNOW
O20A eP 10:47:53.59 -1.0 83.3 45 b:3.7+1 1.5 5.2 O20A
SWMT eP 10:47:53.78 -0.4 83.3 37 SWMT
S22A eP 10:47:53.97 -0.5 83.2 48 b:4.2+1 1.4 5.3 S22A
BW06 eP 10:47:54.24 -2.0 83.6 43 BW06
eP 10:47:54.77 -1.5
PD31 eP 10:47:55.15 -1.1 83.6 43 PD31
BOZ eP 10:47:56.14 -0.4 83.7 39 b:3.2+1 1.5 5.2 BOZ
FLWY eP 10:47:56.49 0.8 83.5 41 b:4.3+1 1.2 5.4 FLWY
YMR eP 10:47:56.77 0.5 83.6 40 b:6.1+1 1.5 5.4 YMR
H17A eP 10:47:57.75 0.8 83.8 41 b:2.3+1 1.4 5.0 H17A
LKWY eP 10:47:58.53 0.6 84.0 41 b:3.6+1 1.5 5.2 LKWY
YFT eP 10:47:58.58 2.4 83.6 41 b:2.9+1 1.5 5.1 YFT
WALA eP 10:47:58.92 0.4 84.1 36 b:4.5+1 1.7 5.3 WALA
HRY eP 10:47:59.26 0.7 84.1 38 HRY
SDCO eP 10:47:59.92 0.6 84.2 48 b:2.0+1 1.5 5.0 SDCO
MYKOMepP 10:48:00.21 0.8 81.8 274 MYKO
COLD eP 10:48:00.59 -0.2 84.7 10 b:3.1+1 1.2 5.3 COLD
MSTX eP 10:48:00.97 -0.8 84.7 53 b:4.8+1 1.4 5.4 MSTX
T25A eP 10:48:02.80 0.8 84.7 49 b:2.1+1 1.5 5.1 T25A
GCMT eP 10:48:04.02 1.0 85.0 40 GCMT
N23A eP 10:48:05.15 0.8 85.2 45 b:3.0+1 1.4 5.3 N23A
K22A eP 10:48:06.20 0.2 85.6 44 K22A
epP 10:48:19.07 depth = 0.9
KULM eP 10:48:06.35 -1.2 85.8 277 b:5.4+1 1.5 5.5 KULM
IPM eP 10:48:07.30 2.6 85.2 276 IPM
ABTX eP 10:48:10.46 -0.8 86.6 55 b:5.4+1 1.3 5.6 ABTX
MAW eP 10:48:13.51 1.2 87.0 199 b:7.1+0 1.4 4.7 MAW
RSSD eP 10:48:16.94 -0.2 87.8 43 b:1.4+1 1.3 5.0 RSSD
INK eP 10:48:21.27 -0.2 89.0 14 INK
PSI epP 10:48:24.81 0.1 86.8 274 PSI
DGMT eP 10:48:25.76 1.1 89.5 39 b:4.4+1 1.2 5.6 DGMT
YKB5 eP 10:48:31.44 0.1 91.0 24 YKB5
YKW3 eP 10:48:31.89 0.4 91.1 24 YKW3
epP 10:48:36.04 depth = -7.9X
CM01 eP 10:48:31.94 -0.4 91.0 289 CM01
CHTO eP 10:48:33.00 0.1 91.2 289 b:4.0+1 1.6 5.6 CHTO
SNAA eP 10:48:37.96 -1.3 92.7 178 SNAA
epP 10:48:52.60 depth = 0.9
ECSD eP 10:48:39.61 0.2 92.7 45 b:1.4+1 1.3 5.2 ECSD
ULN eP 10:48:43.04 -0.2 93.5 319 b:2.6+1 1.7 5.4 ULN
SONA1eP 10:48:45.47 0.4 93.9 319 SONA
ULM eP 10:48:50.95 0.0 95.2 39 ULM
SPMN eP 10:48:53.92 0.5 95.7 45 b:1.6+1 1.2 5.4 SPMN
COWI eP 10:49:05.62 0.0 98.4 45 b:1.7+1 1.4 5.4 COWI
Generated 2011 MAY 17 at 10:55 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
