Phase Data
23 MAR 2013 ( 82)
ot = 05:28:31.05 +/- 2.50 TONGA
lat = -18.732 +/- 14.8
lon = -175.513 +/- 14.8 MAGNITUDE 4.5 (GS)
dep = 183.4 +/- 3.5
162 km (100 miles) W of Neiafu, Tonga
268 km (166 miles) N of NUKU`ALOFA, Tonga
360 km (224 miles) SSW of Hihifo, Tonga
2222 km (1380 miles) NNE of Auckland, New Zealand
nph = 45 of 45 se = 1.23 FE=173 A
error ellipse = (134.0, 7.0, 24.1;224.0, 2.0, 21.4;331.0, 82.0, 4.2)
mb = 4.5 ( 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 05:29:49.22 0.2 5.3 95 NIUE
eSn 05:30:48.14 S res = -2.1
RAR ePn 05:32:01.58 7.5 15.0 102 b:1.3+1 .80 4.4 RAR
MARNCePn 05:32:06.03 3.5 15.7 257 b:9.2+1 .90 5.2 MARN
PINNCeP 05:32:14.73 4.1 16.4 254 b:7.7+1 1.1 5.0 PINN
DZM eP 05:32:24.76 4.9 17.2 256 b:1.6+1 .80 4.4 DZM
URZ eP 05:32:53.40 -1.4 20.5 197 b:1.7+1 .44 4.8 URZ
BKZ eP 05:33:03.55 -2.1 21.5 197 b:5.5+0 .82 4.1 BKZ
HIZ eP 05:33:05.02 0.4 21.4 201 b:1.2+1 .96 4.4 HIZ
BFZ eP 05:33:18.31 -1.4 23.0 196 b:2.4+1 1.1 4.7 BFZ
THZ eP 05:33:37.44 -0.5 25.0 201 b:7.3+0 .80 4.3 THZ
KHZ eP 05:33:40.18 -1.1 25.4 199 b:8.5+0 .84 4.4 KHZ
LTZ eP 05:33:47.43 -0.6 26.1 201 b:1.9+1 1.2 4.7 LTZ
WHZ eP 05:34:28.87 3.4 30.3 203 b:2.6+1 1.2 4.8 WHZ
EIDS eP 05:34:36.00 -0.7 31.6 252 b:1.4+1 .90 4.7 EIDS
ARMA eP 05:34:39.95 0.0 31.9 242 b:9.3+0 .60 4.7 ARMA
CAN eP 05:35:12.59 2.7 35.4 235 b:5.2+0 1.1 4.1 CAN
CTAO eP 05:35:15.57 0.5 36.0 261 b:1.9+1 .75 4.8 CTAO
TOO eP 05:35:37.20 -1.2 38.8 233 b:1.0+1 1.1 4.4 TOO
COEN eP 05:35:46.69 -0.5 39.9 271 b:6.1+0 .60 4.4 COEN
STKA eP 05:35:53.35 -0.3 40.7 243 b:1.2+0 .85 3.5 STKA
BBOO eP 05:36:30.34 -1.5 45.4 242 b:1.1+1 1.1 4.3 BBOO
WRAB eP 05:36:44.22 -1.3 47.2 260 b:1.5+1 .55 4.7 WRAB
AS01 eP 05:36:44.35 -1.2 47.2 255 AS01
AS31 eP 05:36:45.08 -0.8 47.2 255 b:4.7+0 .50 4.3 AS31
MTN eP 05:37:17.61 -0.9 51.5 268 b:2.1+1 .60 4.9 MTN
FORT eP 05:37:21.32 -1.6 52.1 245 b:1.7+1 .65 4.9 FORT
FITZ eP 05:37:47.47 -0.7 55.6 261 b:3.4+0 .50 4.4 FITZ
SOEI eP 05:38:10.82 -0.1 58.8 270 b:3.3+1 .60 5.3 SOEI
SBA eP 05:38:17.20 0.9 59.8 184 b:3.2+0 .90 4.1 SBA
VNDA eP 05:38:17.33 0.4 59.9 186 b:1.6+0 .90 3.8 VNDA
QSPA eP 05:39:29.95 -0.7 71.3 180 b:2.0+0 .90 3.9 QSPA
SSLB eP 05:39:53.05 0.4 75.0 302 b:9.0+0 1.0 4.4 SSLB
PETK eP 05:39:54.26 1.1 75.2 344 PETK
IL1 eP 05:40:50.85 0.1 86.1 12 IL1
INK eP 05:41:18.29 0.0 92.0 14 b:3.7+0 1.0 4.4 INK
KWP ePKPdf 05:47:48.77 0.9 145.9 339 KWP
OJC ePKPdf 05:47:49.72 1.2 146.3 342 OJC
CLL ePKPbc 05:47:51.48 0.1 146.8 350 CLL
BUR08ePKPdf 05:47:52.44 3.2 146.6 334 BUR0
BR131ePKPbc 05:47:53.13 -0.2 147.3 316 BR13
KHC ePKPbc 05:47:57.22 0.4 148.8 348 KHC
GEA0 ePKPbc 05:47:57.84 0.3 149.1 348 GEA0
VTS ePKPbc 05:48:03.35 0.0 151.4 330 VTS
FUORNePKPbc 05:48:04.13 -0.2 151.8 352 FUOR
Generated 2013 MAR 23 at 06:17 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
