6 JUL 2007 (187)
ot = 06:20:38.60 +/- 1.01 TONGA
lat = -18.071 +/- 6.4
lon = -174.597 +/- 5.8
dep = 60.3 +/- 10.7
90 km (55 miles) NW of Neiafu, Tonga (pop 3,000)
250 km (155 miles) SSW of Hihifo, Tonga
345 km (215 miles) N of NUKU'ALOFA, Tonga
2325 km (1450 miles) NNE of Auckland, New Zealand
nph = 21 of 22 se = 0.46 FE=173 A
error ellipse = ( 66.2, 70.8, 17.3;334.5, 0.6, 10.1;244.2, 19.1, 7.0)
mb = 4.8 ( 5) ML = 0.0 ( 0) 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 P 06:21:50.72 0.2 4.9 34 AFI
RAR P 06:23:57.70 -0.4 14.3 105 RAR
LR 06:27:50.69
URZ P 06:25:21.43 0.3 21.4 198 URZ
RPZ P 06:26:26.64 0.3 28.3 202 RPZ
CTA eP 06:27:43.00 0.4 37.0 260 b:9.9+0 1.0 4.7 CTA
STKA P 06:28:22.35 0.3 41.7 242 STKA
WB2 eP 06:29:12.50 -0.7 48.2 259 WB2
WRA P 06:29:12.91 -0.3 48.2 259 WRA
WRAB eP 06:29:12.95 -0.2 48.2 259 b:5.7+0 .65 4.7 WRAB
ASAR P 06:29:13.30 -0.5 48.2 254 ASAR
KAKA eP 06:29:36.00 -0.7 51.2 268 b:6.6+0 .40 5.0 KAKA
FITZ iPd 06:30:15.80 0.3 56.6 260 b:5.5+0 .50 4.9 FITZ
VNDA P 06:30:43.38 0.7 60.6 186 VNDA
MJAR P 06:31:45.61 0.1 70.3 321 MJAR
QSPA eP 06:31:55.69 -0.1 72.0 180 b:6.4+0 .78 4.6 QSPA
KSM eP 06:32:22.48 0.8 76.3 276 KSM
NVAR P 06:32:25.52 -0.2 77.1 42 NVAR
TXAR P 06:32:58.25 0.3 83.0 56 TXAR
MAW P 06:33:06.19 -0.5 84.9 199 MAW
PLCA P 06:33:24.90 -0.3 88.6 132 PLCA
MALT eP 06:40:09.63 0.4 144.9 312 MALT
Generated 2007 JUL 29 at 23:56 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver