Phase Data
13 NOV 2010 (317)
ot = 20:53:11.48 +/- 1.59 TONGA
lat = -15.822 +/- 15.7
lon = -174.056 +/- 10.2 MAGNITUDE 4.6 (GS)
dep = 119.0 +/- 14.1
35 km (20 miles) WNW of Hihifo, Tonga (pop 2,000)
315 km (195 miles) N of Neiafu, Tonga
600 km (370 miles) NNE of NUKU`ALOFA, Tonga
2580 km (1600 miles) NNE of Auckland, New Zealand
nph = 32 of 37 se = 1.22 FE=173 B
error ellipse = (332.9, 7.1, 26.7;102.4, 79.0, 21.8;241.8, 8.4, 10.5)
mb = 4.6 ( 18) 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 ePn 20:53:56.32 -0.4 2.9 50 L:3.5+0 .99 4.7X AFI
eSn 20:54:27.65 S res = -3.8X
MSVF ePn 20:55:11.59 9.2X 7.8 255 MSVF
PPT eP 20:58:13.22 2.3 23.5 98 PPT
EIDS qP 20:59:43.06 -0.2 33.9 248 EIDS
CTAO eP 21:00:19.82 2.1 37.9 258 b:7.3+0 .79 4.6 CTAO
WRAB eP 21:01:47.31 -0.1 49.1 257 b:9.1+0 .90 4.6 WRAB
AS01 eP 21:01:48.94 -0.1 49.3 252 AS01
MTN eP 21:02:16.95 0.0 53.1 266 b:1.4+1 .90 4.9 MTN
CBIJ eP 21:03:02.00 -5.1X 60.2 315 b:6.5+2 1.6 6.4X CBIJ
MBWA eP 21:03:23.61 -0.2 62.6 254 b:1.6+1 .91 5.0 MBWA
NWAO qP 21:03:31.05 -0.6 63.9 241 NWAO
CASY qP 21:04:06.69 -1.7 69.8 205 CASY
YUH eP 21:04:31.06 -0.6 73.5 48 YUH
CMB eP 21:04:31.29 0.0 73.5 42 b:3.9+0 .95 4.2 CMB
BELC eP 21:04:36.66 1.0 74.2 47 BELC
TATO qP 21:04:36.77 -2.0 74.8 302 TATO
NV01 eP 21:04:40.06 -0.6 75.1 42 NV01
MOD eP 21:04:42.34 -2.6 75.8 38 b:4.9+0 .65 4.4 MOD
D05A eP 21:04:49.93 -7.5X 78.1 33 b:4.6+2 2.8 5.8X D05A
CCUT eP 21:04:55.76 -0.8 77.9 45 b:3.6+1 2.4 4.7 CCUT
MSU eP 21:05:02.98 -0.6 79.2 45 MSU
HLID eP 21:05:09.80 0.0 80.4 40 b:3.2+0 .90 4.1 HLID
MVCO eP 21:05:12.31 -1.7 81.1 47 b:6.2+1 2.5 5.0 MVCO
MNTX eP 21:05:13.59 0.3 81.0 54 b:4.3+1 2.5 4.8 MNTX
BNM eP 21:05:14.53 0.5 81.1 51 BNM
TX31 eP 21:05:15.17 -0.3 81.4 56 TX31
MCK eP 21:05:16.61 0.6 81.7 11 b:3.9+0 .83 4.2 MCK
ANMO eP 21:05:16.85 0.4 81.6 50 b:1.4+1 1.7 4.5 ANMO
S22A eP 21:05:22.82 1.3 82.5 47 b:6.5+0 .95 4.4 S22A
COLA eP 21:05:23.30 0.9 82.9 11 b:6.4+0 1.1 4.4 COLA
IL1 eP 21:05:23.39 0.5 83.0 11 IL1
PMSA qP 21:05:27.79 -0.7 84.0 156 b:7.0+1 1.0 5.5 PMSA
MSTX eP 21:05:28.92 0.4 83.9 52 b:9.6+0 1.0 4.6 MSTX
ABTX eP 21:05:38.01 0.0 85.8 55 b:1.0+1 .95 4.7 ABTX
ECSD qP 21:06:03.21 -3.7X 92.0 45 b:9.9+0 .55 5.3 ECSD
CM01 eP 21:06:10.79 2.7 92.1 288 CM01
Generated 2010 NOV 17 at 18:11 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
