Phase Data
10 JAN 2011 ( 10)
ot = 10:21:44.50 +/- 1.46 TONGA
lat = -16.927 +/- 21.0
lon = -174.705 +/- 21.5 MAGNITUDE 4.8 (GS)
dep = 229.9 +/- 8.1
150 km (90 miles) SW of Hihifo, Tonga (pop 2,000)
205 km (125 miles) NNW of Neiafu, Tonga
470 km (290 miles) N of NUKU`ALOFA, Tonga
2445 km (1510 miles) NNE of Auckland, New Zealand
nph = 37 of 37 se = 0.72 FE=173 B
error ellipse = (134.0, 4.0, 41.4;224.0, 2.0, 20.5;344.0, 84.0, 11.8)
mb = 4.8 ( 37) ML = 4.7 ( 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 10:22:43.86 -5.1 4.1 44 L:1.6+0 .86 4.8 AFI
URZ eP 10:26:19.95 -4.1 22.4 197 b:2.6+1 .68 4.9 URZ
BKZ eP 10:26:32.74 -0.7 23.4 197 b:8.3+1 1.7 5.0 BKZ
HIZ eP 10:26:34.63 2.0 23.4 201 b:1.1+2 1.2 5.3 HIZ
WHZ eP 10:27:50.97 -0.9 32.3 203 b:4.4+1 1.1 5.0 WHZ
STKA eP 10:29:14.97 -0.1 42.2 241 b:5.0+0 .85 4.0 STKA
AS01 eP 10:30:02.71 -1.3 48.4 253 AS01
SOEI eP 10:31:25.30 0.2 59.6 268 b:3.0+2 1.2 5.8 SOEI
PASC eP 10:32:51.53 -3.5 74.0 46 b:5.6+1 2.1 4.9 PASC
KMRM eP 10:32:55.80 0.6 74.0 38 b:2.0+1 .84 4.9 KMRM
YBH eP 10:33:04.74 0.7 75.6 38 b:4.9+0 .85 4.3 YBH
NV01 eP 10:33:08.05 -0.3 76.3 42 NV01
WVOR eP 10:33:19.77 -0.1 78.4 39 b:6.8+0 1.1 4.3 WVOR
TUC eP 10:33:19.83 0.2 78.3 51 b:5.9+0 .85 4.3 TUC
J08A eP 10:33:23.35 0.1 79.0 38 b:4.8+1 .95 5.2 J08A
CCUT eP 10:33:24.65 0.8 79.1 45 b:5.0+1 2.6 4.8 CCUT
G08A eP 10:33:27.97 0.1 79.9 36 b:2.6+1 1.1 4.8 G08A
HPIG eP 10:33:28.13 -0.3 79.9 58 b:6.5+1 2.9 4.8 HPIG
F10A eP 10:33:34.70 -0.5 81.3 37 b:1.7+1 1.0 4.7 F10A
HLID eP 10:33:37.30 0.3 81.6 40 b:1.9+1 1.1 4.7 HLID
C09A eP 10:33:37.35 -0.2 81.8 35 b:1.0+2 1.3 5.4 C09A
MNTX eP 10:33:39.92 0.1 82.1 54 b:3.7+0 .90 4.1 MNTX
TX31 eP 10:33:41.77 -0.1 82.5 57 TX31
ANMO eP 10:33:43.29 0.2 82.7 50 b:6.6+0 1.1 4.3 ANMO
MCMT eP 10:33:45.64 0.2 83.2 39 MCMT
CCB eP 10:33:47.78 -0.3 83.9 11 b:7.8+1 1.2 5.3 CCB
REDW eP 10:33:47.80 -0.1 83.7 41 b:4.5+1 1.4 5.0 REDW
SNOW eP 10:33:48.61 0.1 83.8 41 b:1.6+1 1.0 4.7 SNOW
COLA eP 10:33:48.63 -0.4 84.1 11 b:3.8+1 .75 5.3 COLA
S22A eP 10:33:48.77 0.6 83.7 48 b:4.8+1 2.4 4.8 S22A
MDM eP 10:33:48.78 -0.3 84.1 11 b:1.5+2 1.4 5.6 MDM
BW06 eP 10:33:49.50 -1.1 84.2 42 BW06
MSTX eP 10:33:54.80 -0.1 85.1 53 b:8.5+0 1.0 4.5 MSTX
DAWY eP 10:33:55.26 0.6 85.2 15 b:6.8+1 1.0 5.4 DAWY
OHAK epP 10:34:00.53 0.9 76.0 12 OHAK
ABTX eP 10:34:04.00 0.0 87.0 55 b:7.8+0 .90 4.5 ABTX
SUMG ePKPdf 10:40:02.64 -2.8 119.0 14 SUMG
Generated 2011 JAN 10 at 10:46 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
