Phase Data
12 MAY 2011 (132)
ot = 07:39:31.90 +/- 1.29 TONGA REGION
lat = -17.234 +/- 10.7
lon = -172.747 +/- 13.3 MAGNITUDE 5.2 (GS)
dep = 6.0 +/- 4.4
178 km (110 miles) SE of Hihifo, Tonga
204 km (127 miles) NE of Neiafu, Tonga
502 km (312 miles) NNE of NUKU`ALOFA, Tonga
2497 km (1551 miles) NNE of Auckland, New Zealand
nph = 171 of 171 se = 0.64 FE=174 A
error ellipse = (123.0, 2.0, 22.8; 33.0, 0.0, 12.6;292.0, 87.0, 6.6)
mb = 5.2 ( 25) ML = 4.2 ( 2) mblg = 4.2 ( 2) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
AFI ePn 07:40:21.03 -5.0 3.4 16 L:1.1+0 1.2 4.2 g:6.3-1 1.2 4.2 AFI
MSVF ePn 07:41:46.83 7.1 8.8 265 MSVF
OUZ eP 07:44:23.03 -0.2 21.7 212 b:1.2+2 1.3 5.1 OUZ
URZ eP 07:44:34.26 -0.6 22.8 201 URZ
esP 07:44:35.82 0.2
BKZ eP 07:44:44.48 -1.0 23.8 201 BKZ
esP 07:44:45.18 -1.0
HIZ eP 07:44:46.30 0.6 23.8 205 b:1.4+2 1.0 5.5 HIZ
LTZ eP 07:45:33.18 5.2 28.5 204 b:1.4+2 1.3 5.6 LTZ
OXZ eP 07:45:38.14 5.3 29.0 203 b:8.4+1 .82 5.6 OXZ
CTAO eP 07:46:56.20 -2.3 38.9 259 b:1.1+2 1.0 5.5 CTAO
COEN eP 07:47:27.81 -0.7 42.5 268 b:2.0+1 1.1 4.8 COEN
STKA eP 07:47:37.12 -0.8 43.7 242 b:1.4+1 1.9 4.4 STKA
AS01 eP 07:48:25.49 -2.9 50.1 253 AS01
esP 07:48:26.51 -2.6
WB2 eP 07:48:25.82 -2.0 50.0 258 b:2.8+1 .75 5.3 WB2
WRAB eP 07:48:26.19 -1.6 50.0 258 b:2.9+1 .75 5.3 WRAB
AS31 eP 07:48:27.15 -1.6 50.2 253 b:1.4+1 .80 4.9 AS31
SBA eP 07:49:50.03 1.0 61.5 185 b:2.8+1 1.6 5.2 SBA
VNDA eP 07:49:50.27 0.3 61.6 186 b:1.2+1 1.3 4.9 VNDA
SOEI eP 07:49:51.55 1.4 61.5 268 b:7.9+1 1.0 5.8 SOEI
LUWI eP 07:50:16.80 1.1 65.4 277 LUWI
esP 07:50:17.26 0.8
KAPI eP 07:50:27.09 0.5 67.1 272 b:1.7+1 1.0 5.2 KAPI
CASY eP 07:50:38.29 0.3 69.0 205 b:2.5+1 1.2 5.3 CASY
MAJO eP 07:50:50.51 1.4 70.7 320 b:2.3+1 1.2 5.2 MAJO
MJB9 eP 07:50:50.63 1.5 70.7 320 b:5.7+0 1.2 4.6 MJB9
JAGI eP 07:50:53.16 -0.8 71.5 267 b:1.1+2 1.1 5.9 JAGI
SAO eP 07:50:58.64 0.3 72.3 41 b:1.5+1 1.1 5.0 SAO
KMRM eP 07:51:04.57 1.3 73.1 37 b:2.2+1 1.0 5.2 KMRM
CMB eP 07:51:06.89 -0.1 73.7 41 b:1.4+1 1.3 4.8 CMB
PFO eP 07:51:07.32 0.2 73.7 46 b:1.5+1 1.3 4.9 PFO
ASAJ eP 07:51:07.63 2.7 73.4 328 ASAJ
AFDM eP 07:51:08.09 0.0 73.9 40 AFDM
WDC eP 07:51:08.79 0.2 74.0 38 WDC
GSC eP 07:51:10.89 -0.3 74.4 45 GSC
DAC eP 07:51:12.08 0.6 74.5 44 DAC
GLA eP 07:51:12.14 0.3 74.6 48 GLA
WAKR eP 07:51:12.46 0.2 74.6 41 WAKR
YBH eP 07:51:12.96 0.5 74.7 37 YBH
NV11 eP 07:51:15.97 -0.7 75.4 42 NV11
PAHR eP 07:51:16.71 0.1 75.4 40 PAHR
LDFC eP 07:51:17.54 0.5 75.4 46 LDFC
TPNV eP 07:51:18.75 -0.1 75.7 44 TPNV
MOD eP 07:51:20.69 -0.5 76.2 38 MOD
SHPR eP 07:51:21.69 0.2 76.2 45 SHPR
K05A eP 07:51:22.70 0.5 76.4 37 K05A
H04A eP 07:51:24.90 -0.1 76.9 35 H04A
TUC eP 07:51:26.58 0.2 77.1 50 TUC
WVOR eP 07:51:28.54 0.1 77.5 38 WVOR
LCMT eP 07:51:30.61 0.3 77.8 45 LCMT
KNB eP 07:51:32.35 0.4 78.1 45 KNB
PSUT eP 07:51:32.69 0.0 78.2 43 PSUT
HPIG eP 07:51:33.24 -1.3 78.5 57 HPIG
WUAZ eP 07:51:33.40 0.3 78.3 47 WUAZ
ELK eP 07:51:34.49 -0.1 78.6 41 ELK
D05A eP 07:51:35.72 1.1 78.6 33 D05A
G08A eP 07:51:37.15 0.0 79.1 36 G08A
RSO eP 07:51:37.52 0.4 79.1 10 RSO
MTPU eP 07:51:38.49 1.0 79.0 45 MTPU
INCN eP 07:51:39.19 3.5 78.8 315 INCN
MSU eP 07:51:39.45 0.7 79.3 44 MSU
MFID eP 07:51:40.61 -0.2 79.7 38 MFID
DUG eP 07:51:41.09 -0.1 79.8 42 DUG
BGU eP 07:51:42.83 0.2 80.0 42 BGU
D08A eP 07:51:43.02 0.0 80.2 34 D08A
E09A eP 07:51:43.57 0.1 80.3 35 E09A
F10A eP 07:51:43.95 -0.6 80.4 36 F10A
Q16A eP 07:51:44.01 0.5 80.2 44 Q16A
TMUT eP 07:51:45.24 0.7 80.4 44 TMUT
B08A eP 07:51:45.52 -0.7 80.8 33 B08A
SPUT eP 07:51:45.79 0.0 80.6 42 SPUT
HVU eP 07:51:45.91 -0.1 80.7 41 HVU
HLID eP 07:51:46.06 0.2 80.7 39 HLID
SRU eP 07:51:46.58 0.3 80.7 44 SRU
MNTX eP 07:51:46.92 0.0 80.8 53 MNTX
PMR eP 07:51:46.96 1.0 80.8 11 PMR
JLU eP 07:51:47.12 -0.2 80.9 43 JLU
LAZ eP 07:51:47.13 0.3 80.8 50 LAZ
C09A eP 07:51:47.22 -0.1 81.0 34 C09A
TT01 eP 07:51:47.34 0.5 81.0 8 TT01
DIV eP 07:51:47.43 0.0 81.0 13 DIV
TLIG eP 07:51:47.81 0.7 80.8 69 TLIG
TTA eP 07:51:47.84 0.8 81.0 8 TTA
BMRM eP 07:51:48.10 0.2 81.1 14 BMRM
TX31 eP 07:51:48.22 -0.2 81.1 56 TX31
eP 07:51:48.77 0.2
BNM eP 07:51:48.40 0.3 81.0 50 BNM
LPM eP 07:51:48.72 0.3 81.1 50 LPM
TCUT eP 07:51:49.05 0.2 81.2 42 TCUT
HWUT eP 07:51:49.09 -0.5 81.3 42 HWUT
SCM eP 07:51:49.24 0.1 81.4 12 SCM
PV05 eP 07:51:49.46 0.7 81.2 46 PV05
KLU eP 07:51:49.52 0.5 81.3 13 KLU
P18A eP 07:51:49.58 0.7 81.2 44 P18A
PV09 eP 07:51:50.08 0.3 81.3 45 PV09
ANMO eP 07:51:50.56 -0.1 81.5 50 ANMO
PV01 eP 07:51:50.72 -0.1 81.5 46 PV01
CAST eP 07:51:51.48 -0.9 82.0 9 CAST
BALM eP 07:51:51.56 0.4 81.7 14 BALM
KTH eP 07:51:53.76 -0.3 82.3 10 KTH
TRF eP 07:51:53.78 -0.4 82.3 10 TRF
MCMT eP 07:51:54.27 -0.4 82.3 39 MCMT
RND eP 07:51:54.48 -0.7 82.5 11 RND
SKAG eP 07:51:54.77 0.9 82.3 18 SKAG
BPAW eP 07:51:55.57 -1.0 82.8 10 BPAW
ePcP 07:52:01.24 -0.2
MSO eP 07:51:56.05 -0.9 82.8 36 MSO
PAX eP 07:51:56.14 -0.3 82.8 12 PAX
MCK eP 07:51:56.46 -0.1 82.8 10 MCK
S22A eP 07:51:56.62 0.4 82.6 47 S22A
REDW eP 07:51:56.63 -0.2 82.7 41 REDW
DLMT eP 07:51:56.75 -0.1 82.7 38 DLMT
FXWY eP 07:51:56.86 -0.2 82.8 40 FXWY
BSMT eP 07:51:56.98 -0.7 82.9 35 BSMT
O20A eP 07:51:57.02 -0.1 82.7 44 O20A
SNOW eP 07:51:57.61 0.1 82.8 40 SNOW
IMW eP 07:51:57.66 -0.5 82.9 40 IMW
SWMT eP 07:51:57.74 -1.0 83.1 36 SWMT
BW06 eP 07:51:58.04 -1.5 83.2 42 BW06
eP 07:51:58.72 -0.8
LOHW eP 07:51:58.13 -0.2 83.0 40 LOHW
MOOW eP 07:51:58.20 0.0 83.0 40 MOOW
BWN eP 07:51:58.32 0.0 83.2 10 BWN
LRM eP 07:51:58.42 -0.3 83.1 38 LRM
MENT eP 07:51:58.56 0.4 83.1 13 MENT
CHMT eP 07:51:58.58 -0.8 83.2 37 CHMT
PD31 eP 07:51:58.77 -0.7 83.2 42 PD31
FLWY eP 07:51:58.99 -0.3 83.2 40 FLWY
YBMT eP 07:51:59.11 -0.7 83.3 36 YBMT
SMCO eP 07:51:59.15 -0.2 83.1 46 SMCO
WRH eP 07:51:59.56 -1.3 83.6 11 WRH
DLBC eP 07:51:59.62 0.9 83.2 21 DLBC
QLMT eP 07:51:59.67 0.6 83.1 39 QLMT
BOZ eP 07:52:00.01 -0.6 83.5 38 BOZ
YMR eP 07:52:00.71 0.7 83.3 39 YMR
MLY eP 07:52:00.74 -0.6 83.7 9 MLY
SDCO eP 07:52:00.86 -0.2 83.5 47 SDCO
DOT eP 07:52:01.13 0.1 83.7 13 DOT
CCB eP 07:52:01.24 -0.6 83.8 11 CCB
YFT eP 07:52:01.72 1.8 83.3 40 YFT
H17A eP 07:52:01.75 1.2 83.4 40 H17A
IL1 eP 07:52:02.44 -0.9 84.1 11 IL1
HRY eP 07:52:02.70 -0.2 83.9 37 HRY
MDM eP 07:52:02.82 -0.2 84.1 10 MDM
LKWY eP 07:52:02.86 1.3 83.6 40 LKWY
COLA eP 07:52:02.92 0.0 84.0 10 COLA
ILB eP 07:52:02.92 -0.4 84.1 11 ILB
WALA eP 07:52:02.97 -0.6 84.1 35 WALA
T25A eP 07:52:03.05 -0.5 84.0 48 T25A
ISCO eP 07:52:05.47 0.0 84.4 46 ISCO
Q24A eP 07:52:05.72 0.5 84.3 47 Q24A
RLMT eP 07:52:06.54 0.1 84.6 40 RLMT
N23A eP 07:52:06.77 -0.1 84.6 45 N23A
GCMT eP 07:52:07.02 0.1 84.7 39 GCMT
AMTX eP 07:52:08.22 -0.4 85.0 51 AMTX
PHWY eP 07:52:08.41 -1.1 85.2 44 PHWY
DAWY eP 07:52:08.56 0.5 85.0 14 DAWY
K22A eP 07:52:08.94 -0.1 85.1 43 K22A
EGAK eP 07:52:09.42 0.4 85.3 13 EGAK
ABTX eP 07:52:11.31 -0.4 85.6 54 ABTX
COLD eP 07:52:12.96 1.0 85.9 9 COLD
MAW eP 07:52:14.13 -0.1 86.3 198 MAW
BILL eP 07:52:15.28 0.6 86.4 352 BILL
LAO eP 07:52:18.96 -0.3 87.2 39 LAO
RSSD eP 07:52:19.17 -1.2 87.4 42 RSSD
DGMT eP 07:52:28.72 -0.2 89.3 38 DGMT
SNAA eP 07:52:35.86 -1.1 91.1 177 SNAA
JTS eP 07:52:37.84 0.5 90.9 80 JTS
ECSD eP 07:52:42.22 0.0 92.1 45 ECSD
CHTO eP 07:52:53.42 2.4 93.9 288 CHTO
Generated 2011 MAY 12 at 07:55 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
