Phase Data
6 NOV 2011 (310)
ot = 08:31:28.56 +/- 1.20 TONGA REGION
lat = -17.238 +/- 7.8
lon = -172.971 +/- 17.6 MAGNITUDE 4.6 (GS)
dep = 34.8 +/- 2.9
165 km (102 miles) SSE of Hihifo, Tonga
189 km (118 miles) NE of Neiafu, Tonga
490 km (304 miles) NNE of NUKU`ALOFA, Tonga
2486 km (1544 miles) NNE of Auckland, New Zealand
nph = 44 of 56 se = 0.59 FE=174 A
error ellipse = (108.0, 1.0, 28.2;198.0, 21.0, 9.1; 15.0, 68.0, 3.1)
mb = 4.6 ( 1) ML = 4.3 ( 2) mblg = 3.9 ( 2) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
AFI ee 08:32:10.63 0.0X 3.5 19 L:1.2+0 .93 4.3 g:2.9-1 .90 3.9 AFI
eSn 08:32:48.55 S res = -12.4X
MSVF ePn 08:33:29.64 -0.8X 8.6 265 MSVF
RAR ePn 08:34:20.76 -11.2X 13.1 110 RAR
URZ eP 08:36:27.66 0.7 22.7 201 b:4.0+1 .74 5.0 URZ
TARA eP 08:36:32.32 0.5 23.1 322 b:1.0+2 1.5 5.1 TARA
eSn 08:41:00.24 S res = 0.9X
BKZ eP 08:36:37.56 0.2 23.7 201 b:3.0+1 1.1 4.7 BKZ
LTZ eP 08:37:19.97 0.2X 28.4 203 b:3.0+1 .58 5.2 LTZ
OXZ eP 08:37:25.02 0.4 28.9 203 b:2.5+1 .64 5.0 OXZ
RPZ eP 08:37:31.97 1.1 29.7 204 RPZ
epP 08:37:39.04 depth = -1.0X
STKA eP 08:39:28.92 0.0 43.5 242 b:2.6+0 1.4 3.8 STKA
BBOO eP 08:40:06.21 -0.3 48.3 241 b:9.3+0 .60 5.0 BBOO
WB2 eP 08:40:17.52 -1.2 49.8 258 WB2
eP 08:40:17.95 -0.7
WRAB eP 08:40:17.81 -0.8 49.8 258 b:7.5+0 .90 4.7 WRAB
AS01 eP 08:40:18.59 -0.7 49.9 253 AS01
AS31 eP 08:40:19.15 -0.4 50.0 253 b:4.4+0 .75 4.6 AS31
MTN eP 08:40:49.68 -0.1 54.0 266 b:5.2+0 .70 4.7 MTN
PETK eP 08:43:03.48 0.2 74.5 342 PETK
YSS eP 08:43:08.15 0.3 75.3 330 b:3.0+1 1.0 5.2 YSS
Y14A eP 08:43:15.87 0.8X 76.5 48 Y14A
R11A eP 08:43:18.20 -0.6 77.1 43 b:1.3+1 1.9 4.6 R11A
TUC eP 08:43:18.60 -0.9 77.2 50 b:3.0+0 .95 4.3 TUC
KNB eP 08:43:25.77 0.8X 78.2 45 b:2.0+1 1.8 4.8 KNB
SZCU eP 08:43:26.56 0.8 78.4 45 b:8.6+0 1.4 4.6 SZCU
MFID eP 08:43:34.14 0.4 79.9 39 b:2.9+0 .90 4.3 MFID
DUG eP 08:43:34.51 0.3 79.9 43 b:4.7+0 1.1 4.4 DUG
HVU eP 08:43:37.76 -1.2 80.8 41 b:3.0+0 .90 4.3 HVU
F10A eP 08:43:37.97 0.5X 80.6 36 b:5.7+0 1.0 4.5 F10A
SRU eP 08:43:38.44 -0.9 80.9 44 b:7.3+0 1.1 4.6 SRU
HLID eP 08:43:38.46 -0.4 80.8 39 b:3.7+0 .80 4.4 HLID
MNTX eP 08:43:40.20 0.2X 81.0 53 b:3.9+0 1.0 4.3 MNTX
TX31 eP 08:43:41.65 0.0 81.3 56 TX31
eP 08:43:42.15 0.4
TCUT eP 08:43:41.99 0.2 81.3 42 b:1.7+1 1.1 5.0 TCUT
MCMT eP 08:43:47.52 0.0 82.4 39 MCMT
TPAW eP 08:43:49.79 -0.1X 82.9 40 b:1.7+1 1.6 4.9 TPAW
REDW eP 08:43:49.88 0.1 82.9 41 b:2.1+1 1.7 4.9 REDW
FXWY eP 08:43:50.34 0.3 82.9 40 b:1.2+1 1.5 4.7 FXWY
IMW eP 08:43:50.40 -0.6 83.1 40 b:7.2+0 1.1 4.7 IMW
SNOW eP 08:43:50.56 0.1 83.0 41 b:3.8+0 .75 4.6 SNOW
PDAR eP 08:43:50.58 -1.8 83.4 42 PDAR
PD31 eP 08:43:50.86 -1.6 83.4 42 PD31
LOHW eP 08:43:51.22 0.0 83.1 41 b:1.1+1 1.5 4.7 LOHW
BW06 eP 08:43:52.11 -0.3 83.4 42 b:1.3+1 1.6 4.8 BW06
BOZ eP 08:43:53.70 0.2 83.6 38 b:9.5+0 1.2 4.8 BOZ
MDM eP 08:43:53.73 -1.7 84.1 10 b:1.8+1 1.4 5.0 MDM
YHH eP 08:43:54.56 0.8 83.6 39 b:2.3+1 1.9 5.0 YHH
HRY eP 08:43:54.61 -1.1 84.1 37 HRY
IL1 eP 08:43:54.74 -1.0 84.2 11 IL1
ILB eP 08:43:55.12 -0.6 84.2 11 ILB
DAWY eP 08:44:00.55 0.1 85.1 14 b:1.0+1 1.2 4.9 DAWY
EGAK eP 08:44:02.53 1.1 85.3 13 b:2.8+1 1.6 5.2 EGAK
SNAA eP 08:44:29.45 0.3 91.1 177 b:4.5+0 1.2 4.7 SNAA
Generated 2011 NOV 6 at 09:16 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
