Phase Data
18 MAY 2011 (138)
ot = 21:39:42.66 +/- 2.02 SOUTH OF TONGA
lat = -25.372 +/- 5.5
lon = -175.968 +/- 13.9 MAGNITUDE 5.4 (GS)
dep = 32.7 +/- 5.2
472 km (293 miles) NNE of Raoul Island, Kermadec Islands
476 km (295 miles) S of NUKU`ALOFA, Tonga
1549 km (962 miles) NE of Auckland, New Zealand
1962 km (1219 miles) NNE of WELLINGTON, New Zealand
nph = 68 of 118 se = 0.99 FE=175 A
error ellipse = (102.0, 5.0, 21.8; 5.0, 48.0, 9.1;196.0, 40.0, 5.0)
mb = 5.4 ( 28) ML = 6.0 ( 2) mblg = 5.2 ( 1) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
RAO ePn 21:40:49.16 4.3X 4.2 204 L:3.8+1 .73 6.0 g:5.6+0 1.0 5.2 RAO
ePg 21:40:49.47 -6.9X
eSn 21:41:35.34 S res = 2.1X
MSVF ePn 21:41:58.99 2.9X 9.4 323 MSVF
MXZ ePn 21:42:43.89 -2.5 13.1 201 MXZ
ee 21:45:05.77 0.0X
eSn 21:45:10.29 S res = -0.6
OUZ ePn 21:42:58.88 9.5X 13.3 220 OUZ
RAR ePn 21:43:10.79 -7.3X 15.4 78 b:2.8+2 1.2 5.4 RAR
eSn 21:45:42.57 S res = -25.7X
HIZ ePn 21:43:13.64 -1.6 15.2 208 b:4.4+2 1.7 5.5 HIZ
BKZ ePn 21:43:14.66 0.4 15.2 203 b:9.4+1 .84 5.1 BKZ
BFZ ePn 21:43:29.21 -3.6 16.6 201 b:1.5+2 .74 5.2 BFZ
eSn 21:46:25.22 S res = -10.7X
SNZO ePn 21:43:43.03 -3.3 17.7 204 b:8.9+1 .65 5.0 SNZO
eSn 21:46:53.42 S res = -8.9X
THZ eP 21:43:54.73 -4.3X 18.8 207 b:6.4+1 .60 5.0 THZ
eSn 21:47:16.76 S res = -11.9X
KHZ eP 21:44:00.53 -1.8 19.1 204 b:1.9+2 .74 5.4 KHZ
eSn 21:47:23.98 S res = -12.0X
LTZ eP 21:44:12.89 1.7X 19.9 206 b:2.0+2 1.6 5.2 LTZ
OXZ eP 21:44:15.52 -1.6 20.4 206 OXZ
ODZ eP 21:44:42.78 4.4X 22.4 206 b:5.4+1 1.1 4.9 ODZ
LHI eP 21:44:47.92 5.6X 22.8 249 b:4.2+2 .90 5.9 LHI
MLZ eP 21:44:54.92 3.1X 23.7 209 b:2.9+2 1.9 5.5 MLZ
DCZ eP 21:44:59.24 2.9X 24.2 210 b:4.7+1 .84 5.1 DCZ
PPT eP 21:45:08.31 -2.0 25.7 78 PPT
URZ eSn 21:45:36.29 0.3X 14.1 203 URZ
ARMA eP 21:45:42.74 2.9X 29.0 253 b:4.4+1 .90 5.2 ARMA
EIDS eP 21:45:48.28 2.2X 29.7 263 b:7.7+1 .75 5.6 EIDS
CAN eP 21:46:06.60 3.4X 31.7 243 b:7.8+1 1.7 5.3 CAN
CTAO eP 21:46:34.83 1.2 35.2 271 b:3.8+1 .70 5.4 CTAO
STKA eP 21:46:55.92 1.3 37.6 250 b:1.0+1 .80 4.7 STKA
PMG eP 21:47:01.26 -0.3 38.4 288 b:9.3+1 .90 5.6 PMG
COEN eP 21:47:15.56 1.2 40.0 279 b:7.1+1 1.1 5.3 COEN
BBOO eP 21:47:34.28 1.0 42.3 248 b:5.8+1 .65 5.4 BBOO
AS01 eP 21:47:56.94 -1.4 45.4 261 AS01
AS31 eP 21:47:58.65 0.0 45.4 261 b:1.7+1 1.1 4.9 AS31
WB2 eP 21:48:01.97 -1.0 46.0 266 b:4.7+1 1.0 5.4 WB2
WRAB eP 21:48:03.13 0.3 46.0 266 b:4.4+1 .95 5.4 WRAB
SBA ee 21:49:01.80 0.0X 53.2 185 SBA
VNDA eP 21:49:02.05 4.4X 53.3 186 VNDA
FITZ eP 21:49:07.38 0.7 54.4 265 b:4.6+1 1.1 5.4 FITZ
MBWA eP 21:49:37.51 -0.1 58.7 260 b:2.3+2 1.3 6.1 MBWA
SOEI eP 21:49:39.90 2.8X 58.6 274 b:7.6+1 .90 5.8 SOEI
CASY eP 21:49:51.16 2.6X 60.4 207 b:9.0+1 .95 5.9 CASY
KKM eP 21:51:07.80 -1.0 72.8 285 KKM
SBUM eP 21:51:20.11 0.5 74.7 280 SBUM
INU eP 21:51:20.71 -0.1 75.0 322 INU
MAJO eP 21:51:21.83 -0.3 75.2 323 MAJO
epP 21:51:34.51 depth = 3.1X
MJB9 eP 21:51:22.15 0.0 75.2 323 MJB9
epP 21:51:34.55 depth = 3.1X
KSM eP 21:51:26.90 0.0 76.0 278 KSM
JNU eP 21:51:32.28 -0.5 77.1 316 JNU
YOJ eP 21:51:33.99 1.2 77.1 305 YOJ
TWG eP 21:51:35.05 -0.6 77.6 303 TWG
YULB eP 21:51:36.16 -0.4 77.7 303 YULB
NACB eP 21:51:36.96 -0.8 78.0 304 NACB
SSLB eP 21:51:37.75 -1.5 78.2 303 SSLB
TPUB eP 21:51:38.05 -1.1 78.2 303 TPUB
MAW eP 21:51:38.23 2.9X 77.6 200 MAW
YHNB eP 21:51:40.35 0.0 78.4 304 YHNB
TATO eP 21:51:40.81 0.1 78.5 305 TATO
MYKOMeP 21:52:00.76 1.3 81.9 276 MYKO
CMB eP 21:52:01.36 2.9X 81.8 41 CMB
epP 21:52:09.03 depth = 1.4
ee 21:52:16.46 0.0X
WAKR eP 21:52:05.25 2.0 82.7 41 WAKR
WDC eP 21:52:06.09 1.4 82.3 38 WDC
SNAA eP 21:52:06.41 1.6 83.1 178 SNAA
W13A ee 21:52:11.07 0.0X 84.1 47 W13A
SHPR eP 21:52:11.30 0.9 84.1 45 SHPR
PAHR ePcP 21:52:12.27 0.7 83.5 41 PAHR
TUC eP 21:52:13.54 0.7 84.6 51 TUC
PLCA eP 21:52:14.80 1.7X 84.6 133 PLCA
CHGN epwP 21:52:16.27 0.2X 82.7 10 CHGN
R11A eP 21:52:17.67 2.9X 84.9 43 R11A
K05A ePcP 21:52:18.27 1.7 84.6 37 K05A
TPNV epP 21:52:19.35 2.1 83.7 44 TPNV
LCMT eP 21:52:19.39 1.3 85.6 46 LCMT
IPM eP 21:52:19.51 1.1 85.6 277 IPM
KULM eP 21:52:23.15 1.4 86.3 277 KULM
ee 21:52:35.46 0.0X
PSI eP 21:52:24.21 0.1 86.7 274 PSI
KNB ePcP 21:52:24.43 2.2X 85.9 46 KNB
GSI eP 21:52:29.05 2.1X 87.4 273 GSI
TX31 eP 21:52:29.40 -1.0 88.1 56 TX31
eP 21:52:30.67 0.2
MNTX eP 21:52:30.27 0.2 88.1 54 MNTX
LAZ eP 21:52:32.01 0.9 88.3 51 LAZ
E03A ee 21:52:33.42 0.0X 85.8 33 E03A
ANMO eP 21:52:34.78 0.1 89.0 50 ANMO
PMR eP 21:52:34.88 -0.2 89.3 13 PMR
TT01 eP 21:52:35.24 -0.2 89.4 9 TT01
TTA eP 21:52:35.48 -0.2 89.4 9 TTA
BMRM eP 21:52:37.13 0.0 89.7 15 BMRM
KLU eP 21:52:37.80 -0.2 89.9 14 KLU
SCM eP 21:52:38.00 0.0 89.9 13 SCM
CAST eP 21:52:39.08 -1.5X 90.5 11 CAST
PSUT ee 21:52:39.28 0.0X 86.1 44 PSUT
WVOR ee 21:52:39.34 0.0X 85.7 39 WVOR
LHMI eP 21:52:39.75 2.2X 89.6 276 LHMI
BALM eP 21:52:40.14 0.1 90.3 16 BALM
WRAK epP 21:52:41.47 -3.7X 89.5 23 WRAK
RND eP 21:52:42.90 -0.3 91.0 12 RND
PAX eP 21:52:44.09 -0.4 91.3 13 PAX
SDCO eP 21:52:44.61 0.0 91.2 49 SDCO
MCK eP 21:52:44.66 0.2 91.3 12 MCK
S22A ee 21:52:45.57 0.0X 90.3 48 S22A
WRH eP 21:52:47.02 -1.2X 92.2 12 WRH
CCB eP 21:52:48.26 -1.0 92.4 12 CCB
DOT ee 21:52:48.43 0.0X 92.2 14 DOT
IL1 eP 21:52:49.20 -1.4X 92.7 12 IL1
EGAK eP 21:52:56.01 0.0 93.8 14 EGAK
BILL eP 21:52:56.44 -0.6 94.1 353 BILL
CHTO eP 21:52:58.13 2.0X 93.6 289 CHTO
PB01 ee 21:53:14.96 0.0X 95.0 116 PB01
Generated 2011 MAY 18 at 21:54 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
