Phase Data
17 JAN 2013 ( 17)
ot = 07:42:39.66 +/- 3.12 TONGA REGION
lat = -22.166 +/- 13.0
lon = -174.430 +/- 13.0 MAGNITUDE 4.7 (GS)
dep = 18.8 +/- 4.1
139 km (87 miles) SE of NUKU`ALOFA, Tonga (pop 37,000)
392 km (243 miles) S of Neiafu, Tonga
473 km (294 miles) ESE of Ndoi Island, Fiji
1933 km (1201 miles) NE of Auckland, New Zealand
nph = 80 of 81 se = 1.54 FE=174 A
error ellipse = (135.0, 5.0, 23.4; 45.0, 0.0, 15.6;314.0, 84.0, 5.8)
mb = 4.7 ( 50) ML = 5.1 ( 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
NIUE ePn 07:43:50.37 -6.4X 5.2 55 L:2.5+0 3.8 5.2 NIUE
eSn 07:44:45.36 S res = -11.1
RAR ePn 07:45:45.22 -7.2 13.7 89 RAR
DZM ePn 07:46:43.63 -2.0 17.7 267 b:2.2+1 1.0 4.3 DZM
URZ ePn 07:46:44.03 0.0 17.6 203 b:3.6+1 1.1 4.4 URZ
KNTN eP 07:47:05.11 -0.2 19.4 8 b:1.4+2 .90 5.2 KNTN
BFZ eP 07:47:12.57 0.6 20.1 201 b:6.3+1 .98 4.9 BFZ
THZ eP 07:47:36.24 0.8 22.3 206 b:7.4+0 .84 4.2 THZ
KHZ eP 07:47:39.73 1.0 22.6 204 b:2.4+1 .96 4.7 KHZ
MLZ eP 07:48:18.60 -3.6 27.2 208 b:2.1+1 1.0 4.8 MLZ
DCZ eP 07:48:22.20 -4.4 27.7 209 b:4.8+0 .80 4.3 DCZ
WHZ eP 07:48:26.92 0.4 27.7 207 b:4.6+1 1.1 5.1 WHZ
XMAS eP 07:48:38.72 -1.8 29.2 37 b:1.0+2 1.1 5.5 XMAS
ARMA eP 07:48:58.87 -1.2 31.4 248 b:8.9+0 .85 4.7 ARMA
EIDS eP 07:49:00.11 -2.0 31.7 257 b:2.1+1 1.1 4.9 EIDS
CTAO eP 07:49:43.07 -2.4 36.7 266 b:1.3+1 .65 4.9 CTAO
TOO eP 07:49:53.63 -0.4 37.7 237 b:8.8+0 1.0 4.5 TOO
TAU eP 07:49:54.97 -0.5 37.9 228 b:1.1+1 1.0 4.6 TAU
STKA eP 07:50:14.32 -0.1 40.1 246 b:7.0-1 .75 3.4 STKA
AS01 eP 07:51:10.19 -2.6 47.4 258 AS01
AS31 eP 07:51:10.47 -2.7 47.4 258 b:6.8+0 1.1 4.6 AS31
WB2 eP 07:51:11.00 -4.3 47.7 263 b:2.2+1 .95 5.2 WB2
eP 07:51:11.91 -3.4
FORT eP 07:51:42.52 -3.4 51.7 248 b:3.2+1 .75 5.3 FORT
FITZ eP 07:52:16.52 -1.7 56.1 263 b:2.3+1 1.1 5.1 FITZ
VNDA eP 07:52:21.38 0.7 56.6 186 b:5.2+0 1.0 4.5 VNDA
SOEI eP 07:52:43.40 -1.4 59.9 271 b:6.6+1 .80 5.8 SOEI
MBWA eP 07:52:49.10 -1.4 60.7 257 b:8.5+0 .85 4.9 MBWA
MMRI eP 07:52:56.76 -3.3 62.1 272 b:4.6+1 .90 5.6 MMRI
MORW eP 07:52:58.03 -2.8 62.3 248 b:6.0+0 .90 4.8 MORW
KMRM eP 07:54:38.27 1.5 78.0 37 b:1.4+1 1.0 4.9 KMRM
ISA eP 07:54:38.77 0.7 78.2 44 b:1.0+0 1.1 3.8 ISA
CMB eP 07:54:39.93 0.3 78.5 41 b:3.0+0 1.0 4.3 CMB
PETK eP 07:54:39.95 -0.8 78.8 343 PETK
WAKR eP 07:54:45.31 0.7 79.4 41 b:3.9+0 .98 4.4 WAKR
YBH eP 07:54:46.44 0.9 79.6 37 b:6.4+0 1.1 4.5 YBH
PNTR eP 07:54:47.34 1.2 79.6 40 b:7.7+0 .96 4.7 PNTR
BEKR eP 07:54:47.34 1.0 79.7 39 b:1.6+0 .90 4.0 BEKR
YERR eP 07:54:47.95 1.1 79.8 41 b:3.6+0 1.0 4.3 YERR
NV11 eP 07:54:48.29 -0.3 80.1 42 b:3.0-1 1.0 3.2 NV11
NV01 eP 07:54:49.20 1.1 80.0 42 NV01
KVN eP 07:54:51.79 1.0 80.5 41 b:1.9+0 .96 4.1 KVN
PINE eP 07:54:58.89 0.7 81.9 36 b:5.9+0 1.1 4.6 PINE
LCMT eP 07:54:59.42 -1.2 82.4 45 b:1.7+0 .96 4.1 LCMT
J08A eP 07:55:05.93 2.2 83.0 38 b:2.2+0 1.1 4.2 J08A
MTPU eP 07:55:10.06 2.5 83.7 45 b:1.0+1 1.2 4.9 MTPU
TMUT eP 07:55:15.22 1.0 85.0 44 b:8.6+0 1.1 4.9 TMUT
TX31 eP 07:55:15.38 0.3 85.2 56 TX31
eP 07:55:17.16 1.9
SUA eP 07:55:15.84 -0.1 85.5 11 b:8.8+0 .80 5.0 SUA
GAMB eP 07:55:18.44 1.8 85.7 1 b:2.1+1 1.1 5.3 GAMB
ANMO eP 07:55:20.13 1.4 85.9 50 b:3.2+0 .95 4.5 ANMO
RND eP 07:55:24.66 -1.7 87.6 11 b:1.4+1 1.0 5.2 RND
TRF eP 07:55:25.61 0.1 87.4 11 b:8.6+0 .88 5.0 TRF
WRH eP 07:55:31.80 0.3 88.7 11 b:8.8+0 1.2 4.9 WRH
DOT eP 07:55:32.40 0.6 88.8 13 b:8.7+0 1.0 5.0 DOT
IM3 eP 07:55:34.80 0.9 89.3 8 IM3
IL1 eP 07:55:34.98 1.1 89.2 12 IL1
ILB eP 07:55:35.43 1.6 89.2 12 ILB
MDM eP 07:55:35.96 2.4 89.2 11 b:1.0-1 .64 3.3 MDM
DAWY eP 07:55:39.43 1.1 90.2 15 b:1.3+1 1.1 5.1 DAWY
AK11 ePKPdf 08:02:16.90 -0.5 146.1 333 AK11
ePKPbc 08:02:18.20 0.0
ePKPab 08:02:20.07 1.2
KIEV ePKPdf 08:02:18.08 0.8 146.0 333 KIEV
AKBB ePKPdf 08:02:18.13 0.8 146.0 333 AKBB
OJC ePKPdf 08:02:22.89 -0.7 149.9 342 OJC
ePKPbc 08:02:29.02 0.6
ePKPab 08:02:33.29 -0.6
KHC ePKPdf 08:02:26.93 -0.6 152.4 349 KHC
ePKPbc 08:02:35.56 1.2
ePKPab 08:02:45.78 1.5
BR131ePKPbc 08:02:27.82 -2.5 150.4 312 BR13
BUR08ePKPbc 08:02:28.68 -0.5 150.1 333 BUR0
ePKPab 08:02:34.09 -1.0
BUR04ePKPbc 08:02:29.95 0.7 150.1 333 BUR0
MLR ePKPbc 08:02:32.58 0.2 151.4 329 MLR
ePKPab 08:02:51.95 11.4
GEA0 ePKPbc 08:02:35.85 0.9 152.6 348 GEA0
TOA0 ePKPdf 08:02:46.40 -0.8 170.3 158 TOA0
ePKPab 08:04:02.49 -0.7
Generated 2013 JAN 17 at 08:38 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
