20 MAR 2009 ( 79)
ot = 11:23:38.09 +/- 2.54 TONGA REGION
lat = -22.931 +/- 7.8
lon = -175.295 +/- 6.0 MAGNITUDE 5.4 (GS)
dep = 35.0 (geophysicist)
195 km (120 miles) S of NUKU'ALOFA, Tonga
435 km (270 miles) SE of Ndoi Island, Fiji
495 km (305 miles) SSW of Neiafu, Tonga
1815 km (1130 miles) NE of Auckland, New Zealand
nph = 105 of 128 se = 1.25 FE=174 A
error ellipse = (149.0, 0.0, 11.4; 59.0, 0.0, 6.1; 0.0, 0.0, 0.0)
mb = 5.4 (100) ML = 5.7 ( 2) mblg = 3.6 ( 9) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
RAO ePn 11:25:13.46 -0.7 6.7 200 L:3.5+0 1.9 5.7 g:7.9-1 1.2 4.6 RAO
MSVF ePn 11:25:39.08 5.7 8.1 308 MSVF
ARMA eP 11:29:48.99 1.8 30.4 248 b:2.0+1 .90 4.9 ARMA
EIDS eP 11:29:50.94 0.9 30.8 258 b:3.6+1 1.0 5.1 EIDS
CTAO eP 11:30:34.49 0.1 35.8 267 b:7.7+1 1.0 5.6 CTAO
PMG eP 11:30:55.88 -0.1 38.4 284 b:1.4+2 .90 5.8 PMG
STKA eP 11:31:01.81 -0.2 39.1 247 b:3.2+1 2.4 4.7 STKA
COEN eP 11:31:13.06 1.0 40.3 275 b:3.5+2 1.4 5.9 COEN
BBOO eP 11:31:39.33 -1.2 43.8 245 b:3.8+2 1.1 6.1 BBOO
FORT eP 11:32:33.13 -1.2 50.7 248 b:7.4+1 1.0 5.6 FORT
VNDA eP 11:33:12.50 1.8 55.7 185 b:2.4+1 1.2 5.1 VNDA
SBA eP 11:33:12.60 2.6 55.6 184 b:4.4+2 2.8 6.0 SBA
MBWA eP 11:33:38.82 -1.3 59.8 258 b:5.2+1 1.0 5.6 MBWA
KAPI eP 11:34:13.47 -1.6 65.1 275 b:2.0+1 1.0 5.2 KAPI
epP 11:34:30.82 depth = 4.9X
QSPA eP 11:34:28.61 0.4 67.1 180 b:6.1+1 1.3 5.5 QSPA
KSM eP 11:35:22.65 -0.8 76.3 277 b:2.3+1 .90 5.2 KSM
TPUB eP 11:35:27.90 -1.9 77.5 302 b:6.5+1 1.0 5.6 TPUB
ASAJ eP 11:35:28.69 1.2 77.1 330 b:2.6+1 1.0 5.2 ASAJ
PTRM eP 11:35:35.21 1.3 78.2 43 PTRM
epP 11:35:45.57 depth = 0.6X
MWC eP 11:35:37.72 0.8 78.7 45 b:2.3+1 1.2 5.1 MWC
ISA eP 11:35:39.92 -0.2 79.4 43 b:3.8+1 1.2 5.2 ISA
PFO eP 11:35:40.05 -0.6 79.4 46 b:2.9+1 1.3 5.1 PFO
CMB eP 11:35:41.31 -0.3 79.6 41 b:2.7+1 1.2 5.1 CMB
KHMM eP 11:35:43.69 2.4 79.6 37 b:3.7+1 1.3 5.2 KHMM
epP 11:35:52.81 depth = 0.5X
KRMB eP 11:35:43.73 0.6 79.9 36 b:1.0+2 1.7 5.5 KRMB
epP 11:35:55.81 depth = 1.6X
OHCM eP 11:35:43.79 1.3 79.8 39 OHCM
GSC eP 11:35:44.26 -0.5 80.2 45 b:2.5+1 1.2 5.1 GSC
MTUM eP 11:35:45.62 0.1 80.3 42 MTUM
GLA eP 11:35:45.96 1.2 80.2 47 b:4.5+1 1.3 5.3 GLA
PASC epP 11:35:46.99 -0.1X 78.6 45 PASC
WCN eP 11:35:47.76 -0.4 80.8 40 b:4.0+1 1.3 5.2 WCN
HUMO eP 11:35:49.33 -0.4 81.2 36 b:7.9+1 1.9 5.4 HUMO
LDFC eP 11:35:51.64 1.7 81.2 45 b:4.4+1 1.1 5.3 LDFC
MOD eP 11:35:55.07 -0.2 82.2 38 b:2.9+1 1.2 5.2 MOD
TUC eP 11:35:57.05 -0.5 82.6 50 b:1.6+1 1.2 5.0 TUC
BMN eP 11:36:01.53 1.7 83.1 40 b:4.2+1 1.3 5.4 BMN
epP 11:36:11.33 depth = 0.4X
CCUT eP 11:36:03.50 -0.2 83.8 44 b:4.0+1 1.1 5.4 CCUT
ELK eP 11:36:06.58 -0.5 84.5 41 b:0.0+0 1.2 5.2 ELK
LON eP 11:36:06.81 -0.4 84.6 33 b:4.1+1 1.7 5.3 LON
MVU eP 11:36:10.34 0.2 85.1 44 b:3.6+1 1.2 5.4 MVU
MSU eP 11:36:10.79 0.5 85.1 44 MSU
SNAA eP 11:36:11.03 -1.0 85.4 177 b:1.9+1 1.2 5.2 SNAA
BMO eP 11:36:11.98 -1.3 85.7 37 b:2.6+1 1.3 5.3 BMO
HAWA eP 11:36:12.00 0.1 85.5 35 b:4.6+1 1.3 5.5 HAWA
epP 11:36:23.46 depth = 0.4X
MFID eP 11:36:12.31 -0.8 85.7 39 b:2.5+1 1.2 5.3 MFID
DUG eP 11:36:14.42 1.5 85.6 42 b:1.2+1 1.3 4.9 DUG
epP 11:36:23.89 depth = -0.1X
PLCA eP 11:36:14.77 0.7 85.8 132 b:1.6+1 1.0 5.2 PLCA
IPM eP 11:36:14.96 -0.1 86.0 276 IPM
TMUT eP 11:36:15.97 0.3 86.2 44 b:5.9+1 1.2 5.7 TMUT
SRU eP 11:36:16.79 -0.4 86.5 44 b:4.1+1 1.2 5.5 SRU
HLID eP 11:36:17.42 -0.3 86.6 39 b:1.3+1 1.3 5.0 HLID
LENM eP 11:36:17.74 1.4 86.3 50 LENM
HVU eP 11:36:17.88 0.4 86.6 41 b:2.3+1 1.4 5.2 HVU
epP 11:36:28.52 depth = -0.1X
JLU eP 11:36:17.90 -0.5 86.7 43 b:2.5+1 1.5 5.2 JLU
MPU eP 11:36:17.95 1.8 86.3 43 b:2.2+1 1.2 5.2 MPU
PMR eP 11:36:18.22 -0.1 86.9 12 b:6.7+1 1.6 5.6 PMR
epP 11:36:29.09 depth = -0.3X
KULM eP 11:36:18.75 0.4 86.7 277 b:1.7+2 1.8 6.0 KULM
LPM eP 11:36:19.08 1.2 86.6 50 LPM
ANMO eP 11:36:19.21 -0.8 87.1 50 b:2.7+1 1.2 5.3 ANMO
DAU eP 11:36:19.60 1.0 86.7 43 DAU
HWUT eP 11:36:19.96 -0.7 87.2 42 HWUT
MVCO eP 11:36:20.31 1.4 86.8 47 b:1.4+1 1.2 5.1 MVCO
epP 11:36:29.92 depth = -0.1X
GDL2 eP 11:36:20.55 -0.2 87.2 53 GDL2
BMRM eP 11:36:21.63 1.3 87.3 14 b:3.3+1 1.1 5.5 BMRM
PV04 eP 11:36:21.95 1.4 87.2 46 PV04
epP 11:36:31.11 depth = -0.6X
NEW eP 11:36:23.15 -0.8 88.0 34 b:1.6+1 1.3 5.1 NEW
epP 11:36:34.07 depth = -1.0X
TRF eP 11:36:23.94 -1.8 88.3 10 b:2.2+2 2.1 6.1 TRF
RRI2 eP 11:36:26.64 0.5 88.3 40 b:1.9+1 1.3 5.2 RRI2
TPAW eP 11:36:27.04 -0.5 88.6 41 b:1.9+1 1.4 5.2 TPAW
DLMT eP 11:36:27.30 -0.4 88.7 38 b:2.2+1 1.5 5.3 DLMT
LOHW eP 11:36:27.45 -1.3 88.9 41 b:3.6+1 2.0 5.3 LOHW
eP 11:36:27.46 -1.3
BSMT eP 11:36:27.54 -1.3 88.9 35 BSMT
eP 11:36:27.56 -1.3
PAX eP 11:36:27.62 -0.3 88.8 13 b:2.4+1 1.2 5.4 PAX
BW06 eP 11:36:27.78 -1.9 89.1 42 BW06
REDW eP 11:36:28.33 0.9 88.6 41 b:2.5+1 1.3 5.4 REDW
CHMT eP 11:36:28.88 -1.4 89.2 37 CHMT
MSO eP 11:36:28.94 0.9 88.8 37 MSO
epP 11:36:36.74 depth = -2.5X
IMW eP 11:36:29.39 0.7 88.9 40 b:1.9+1 1.5 5.2 IMW
SNOW eP 11:36:29.49 1.5 88.7 41 b:5.9+1 2.0 5.6 SNOW
JTMT eP 11:36:29.64 -0.1 89.2 36 JTMT
eP 11:36:29.70 0.0
MOOW eP 11:36:30.16 1.4 88.9 40 b:2.4+1 2.0 5.2 MOOW
SMCO eP 11:36:30.35 1.5 88.9 46 b:2.2+1 1.3 5.3 SMCO
SLMT eP 11:36:30.60 0.2 89.3 36 SLMT
epP 11:36:40.58 depth = -1.0X
FLWY eP 11:36:31.39 1.7 89.1 40 b:2.2+1 1.4 5.3 FLWY
epP 11:36:41.21 depth = 0.3X
QLMT eP 11:36:31.51 1.9 89.1 39 QLMT
epP 11:36:40.78 depth = 0.0X
DOT eP 11:36:31.63 -0.4 89.7 13 b:3.7+1 1.2 5.5 DOT
LRM eP 11:36:31.94 2.5 89.1 38 LRM
HRY eP 11:36:32.40 -0.9 89.9 37 HRY
LKWY eP 11:36:34.43 2.6 89.6 40 b:1.8+1 1.3 5.2 LKWY
RLMT eP 11:36:36.25 -0.1 90.5 40 b:2.1+1 1.4 5.3 RLMT
AMTX eP 11:36:36.92 0.9 90.5 52 b:6.6+1 2.1 5.6 AMTX
epP 11:36:46.27 depth = -0.9X
LCO eP 11:36:39.44 0.3 91.0 122 b:4.0+1 1.3 5.6 LCO
epP 11:36:49.59 depth = -0.8X
EGMT eP 11:36:42.09 0.0 91.8 37 b:3.3+1 1.4 5.6 EGMT
COLD eP 11:36:42.63 0.9 91.8 9 b:1.1+1 1.2 5.1 COLD
RSSD eP 11:36:47.44 -1.4 93.2 43 b:2.1+1 1.1 5.5 RSSD
epP 11:36:58.68 depth = -1.4X
HKT eP 11:36:47.48 1.1 92.7 58 b:3.8+1 1.7 5.6 HKT
epP 11:36:57.48 depth = -0.1X
CHTO eP 11:36:52.24 1.9 93.5 288 b:3.3+1 1.2 5.6 CHTO
epP 11:37:00.28 depth = -1.2X
DGMT eP 11:36:57.59 -0.2 95.2 39 b:6.3+1 1.1 5.9 DGMT
epP 11:37:08.75 depth = -0.2X
INK eP 11:36:59.92 -0.8 96.0 14 INK
ECSD eP 11:37:09.87 0.2 97.9 45 b:2.5+1 1.3 5.6 ECSD
ULN eP 11:37:15.42 1.0 98.9 318 b:1.5+1 1.5 5.3 ULN
UTMT ePdif 11:37:25.29 3.4 100.6 55 UTMT
RES ePdif 11:38:00.25 -0.5 109.4 16 RES
Generated 2009 MAR 20 at 11:41 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
