Phase Data
19 MAY 2012 (140)
ot = 12:21:52.63 +/- 1.10 SOUTH OF TONGA
lat = -25.284 +/- 12.9
lon = -175.792 +/- 13.9 MAGNITUDE 4.8 (GS)
dep = 31.1 +/- 2.3
463 km (288 miles) S of NUKU`ALOFA, Tonga
488 km (303 miles) NNE of Raoul Island, Kermadec Islands
593 km (368 miles) SSE of Ndoi Island, Fiji
1566 km (973 miles) NE of Auckland, New Zealand
nph = 26 of 32 se = 0.54 FE=175 A
error ellipse = (304.0, 3.0, 22.9;213.0, 9.0, 18.3; 52.0, 80.0, 1.4)
mb = 4.8 ( 1) ML = 5.0 ( 2) mblg = 4.4 ( 1) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
RAO ePn 12:22:56.70 -0.3 4.4 205 L:4.0+0 1.3 5.1 g:7.5-1 .95 4.4 RAO
MSVF ePn 12:24:05.75 -0.8 9.4 321 MSVF
AFI ePn 12:24:36.74 -4.0X 11.9 19 AFI
DZM ePn 12:25:44.58 1.6X 16.6 277 b:4.0+1 1.1 4.5 DZM
CRLZ eP 12:26:28.19 -0.5 20.6 205 b:3.4+2 1.7 5.4 CRLZ
LHI eP 12:26:53.36 -1.0X 22.9 249 b:6.5+1 1.2 5.0 LHI
WHZ eP 12:27:06.20 -1.6 24.4 208 b:7.4+1 1.6 5.0 WHZ
AS31 eP 12:30:05.74 -4.5X 45.6 261 b:2.6+0 1.2 4.0 AS31
WB2 eP 12:30:14.20 -0.2 46.1 266 b:8.1+0 1.0 4.6 WB2
SBA eP 12:31:08.03 0.1 53.3 185 b:2.0+1 1.4 4.9 SBA
VNDA eP 12:31:08.62 0.0 53.4 186 b:1.6+1 1.7 4.7 VNDA
SOEI eP 12:31:48.93 0.6 58.8 274 b:3.4+1 .90 5.5 SOEI
KSM eP 12:33:38.41 0.5 76.1 278 b:1.1+1 .90 4.9 KSM
SNAA eP 12:34:14.07 -1.4 83.2 178 b:1.0+1 1.3 4.8 SNAA
NV01 eP 12:34:15.43 -0.4 83.2 42 NV01
PINE eP 12:34:26.17 0.3 85.2 37 b:1.1+1 1.1 4.9 PINE
X16A eP 12:34:26.24 0.3 85.1 49 b:5.5+0 1.1 4.7 X16A
U15A eP 12:34:29.35 0.3 85.7 47 b:5.1+0 1.2 4.6 U15A
TX31 eP 12:34:39.64 -0.1 87.9 56 TX31
eP 12:34:39.91 0.1
TMUT eP 12:34:41.08 0.6 88.1 45 b:5.1+0 .90 4.8 TMUT
ANMO eP 12:34:43.97 0.0 88.8 50 b:3.3+0 .95 4.6 ANMO
BOZ eP 12:34:56.04 0.0 91.5 39 b:1.8+1 1.7 5.2 BOZ
YHH eP 12:34:56.19 0.1X 91.4 40 b:5.5+0 1.3 4.8 YHH
IL1 eP 12:34:58.75 -1.5 92.5 12 IL1
epP 12:35:05.64 depth = -3.2X
AK11 ePKPdf 12:41:32.07 0.2 148.2 329 AK11
BR131ePKPbc 12:41:41.22 -2.5 151.5 307 BR13
ePKPab 12:41:54.32 2.2
BUR04ePKPbc 12:41:44.75 -0.4 152.2 328 BUR0
BUR08ePKPbc 12:41:45.96 0.9 152.2 328 BUR0
ePKPab 12:41:56.61 1.8
Generated 2012 MAY 19 at 12:46 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
