Phase Data
23 MAR 2013 ( 82)
ot = 16:58:01.10 +/- 2.08 TONGA
lat = -16.815 +/- 13.4
lon = -173.427 +/- 12.1 MAGNITUDE 4.7 (GS)
dep = 24.9 +/- 5.2
102 km (63 miles) SSE of Hihifo, Tonga (pop 2,000)
211 km (131 miles) NNE of Neiafu, Tonga
513 km (318 miles) NNE of NUKU`ALOFA, Tonga
2506 km (1556 miles) NNE of Auckland, New Zealand
nph = 40 of 55 se = 1.02 FE=173 A
error ellipse = (163.0, 1.0, 20.8; 73.0, 3.0, 18.3;271.0, 86.0, 7.8)
mb = 4.7 ( 32) 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
NIUE ePn 16:59:01.98 0.9 4.0 125 NIUE
eSn 16:59:40.96 S res = -6.5
MSVF ePn 16:59:58.49 -0.1 8.2 262 MSVF
RAR ePn 17:01:12.47 -0.5 13.6 111 RAR
eSn 17:03:34.98 S res = -8.7
OUZ eP 17:02:51.43 1.3 21.7 210 b:2.8+1 1.2 4.5 OUZ
URZ eP 17:03:03.80 0.5 22.9 199 b:1.6+1 .68 4.7 URZ
BKZ eP 17:03:12.12 -1.3 23.9 200 b:9.8+0 1.0 4.3 BKZ
THZ eP 17:03:48.10 2.5 27.5 203 b:1.2+1 .84 4.6 THZ
STKA eP 17:05:59.37 -1.9 43.3 241 b:3.2+0 1.0 4.0 STKA
WB2 eP 17:06:47.76 -2.2 49.5 258 WB2
AS01 eP 17:06:49.10 -1.8 49.6 253 AS01
AS31 eP 17:06:49.81 -1.4 49.7 253 b:1.0+1 .55 5.1 AS31
SOEI eP 17:08:12.91 0.8 60.8 268 b:2.3+1 .70 5.4 SOEI
VNDA eP 17:08:19.33 0.8 62.0 186 b:8.5+0 1.4 4.7 VNDA
QSPA eP 17:09:30.33 0.3 73.2 180 b:5.1+0 1.1 4.5 QSPA
YBH eP 17:09:40.40 1.4 74.7 37 b:9.3+0 1.1 4.7 YBH
NV11 eP 17:09:42.75 -0.8 75.5 42 b:5.0-1 1.0 3.5 NV11
NV01 eP 17:09:43.74 0.7 75.4 42 NV01
KVN eP 17:09:46.14 0.3 75.9 41 b:3.8+0 1.0 4.3 KVN
K05A eP 17:09:49.73 1.0 76.4 37 b:1.7+1 1.2 4.9 K05A
PINE eP 17:09:51.58 -0.7 77.1 36 b:1.4+1 1.1 4.9 PINE
I07A eP 17:09:57.83 0.1 78.0 37 b:6.9+0 1.1 4.6 I07A
PSUT eP 17:09:59.90 0.2 78.3 44 b:3.0+0 .78 4.4 PSUT
G08A eP 17:10:02.89 -0.6 79.1 36 b:6.8+0 1.0 4.6 G08A
SUA eP 17:10:09.02 0.5X 80.1 11 b:9.3+0 .60 5.0 SUA
GAMB eP 17:10:09.53 -0.1 80.3 1 b:2.3+1 1.3 5.0 GAMB
F10A eP 17:10:11.17 0.2 80.5 36 b:7.6+0 .85 4.8 F10A
TRF eP 17:10:18.77 -0.1X 82.0 10 b:8.2+0 1.0 4.7 TRF
RND eP 17:10:19.23 -0.6 82.2 11 b:4.4+0 .84 4.5 RND
BW06 eP 17:10:26.01 -0.3 83.3 42 b:3.5+0 .95 4.5 BW06
WRH eP 17:10:26.08 0.6X 83.3 11 b:9.6+0 .80 5.0 WRH
PDAR eP 17:10:26.24 0.0X 83.3 42 PDAR
PD31 eP 17:10:26.26 0.0 83.3 42 b:3.6+0 1.0 4.5 PD31
HDA eP 17:10:26.38 0.1X 83.5 11 b:6.1+0 .48 5.1 HDA
CCB eP 17:10:26.56 0.0X 83.6 11 b:6.4+0 .52 5.1 CCB
YHH eP 17:10:26.76 -0.7 83.6 40 b:6.3+0 1.1 4.7 YHH
SCRK eP 17:10:27.12 -0.4 83.7 13 b:4.4+0 .76 4.7 SCRK
MDM eP 17:10:27.37 -0.3 83.8 11 b:2.4+1 1.4 5.2 MDM
ILB eP 17:10:27.69 -0.3 83.8 11 b:5.1+0 1.0 4.7 ILB
IL1 eP 17:10:27.89 -0.1X 83.8 11 IL1
IM3 eP 17:10:28.89 0.8X 83.9 8 IM3
BILL eP 17:10:38.78 0.4 85.9 353 b:2.0+1 1.4 5.2 BILL
KWP ePKPdf 17:17:35.23 -0.5X 144.7 342 KWP
OJC ePKPbc 17:17:35.96 0.4X 145.0 345 OJC
CLL ePKPbc 17:17:36.08 0.0X 145.2 353 CLL
BUR08ePKPdf 17:17:38.82 1.3 145.6 337 BUR0
BR131ePKPbc 17:17:42.77 0.0 147.2 319 BR13
KHC ePKPbc 17:17:43.22 0.8 147.3 351 KHC
GEA0 ePKPbc 17:17:43.30 0.1 147.5 351 GEA0
GEC2 ePKPbc 17:17:43.93 0.7X 147.5 351 GEC2
BFO ePKPbc 17:17:46.55 0.7 148.5 358 BFO
FUORNePKPbc 17:17:51.05 0.9X 150.1 355 FUOR
VTS ePKPbc 17:17:51.69 0.4X 150.6 334 VTS
SENINePKPbc 17:17:52.27 1.2X 150.5 359 SENI
Generated 2013 MAR 23 at 17:39 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
