Phase Data
22 JAN 2013 ( 22)
ot = 07:29:30.71 +/- 1.75 TONGA
lat = -16.498 +/- 12.9
lon = -173.914 +/- 11.8 MAGNITUDE 4.8 (GS)
dep = 101.8 +/- 6.0
63 km (39 miles) SSW of Hihifo, Tonga (pop 2,000)
238 km (148 miles) N of Neiafu, Tonga
530 km (329 miles) NNE of NUKU`ALOFA, Tonga
2517 km (1563 miles) NNE of Auckland, New Zealand
nph = 215 of 215 se = 0.86 FE=173 A
error ellipse = (161.0, 9.0, 20.0;251.0, 0.0, 17.8;346.0, 80.0, 8.5)
mb = 4.8 (171) 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 07:30:36.26 -1.6 4.6 125 NIUE
eSn 07:31:24.70 S res = -5.3
MSVF ePn 07:31:23.47 2.2 7.8 260 MSVF
KNTN ePn 07:32:40.71 -1.5 13.8 9 KNTN
RAR ePn 07:32:46.86 -0.1 14.2 112 RAR
DZM eP 07:33:46.73 -1.6 19.3 250 b:8.1+1 1.2 4.9 DZM
TARA eP 07:34:15.16 -1.5 22.0 323 b:1.7+2 1.3 5.2 TARA
URZ eP 07:34:26.99 -0.4 23.1 198 b:1.6+1 .70 4.5 URZ
BKZ eP 07:34:36.04 -0.8 24.1 199 b:2.9+1 1.3 4.5 BKZ
KHZ eP 07:35:11.93 0.2 28.0 200 b:4.2+1 1.3 4.9 KHZ
LTZ eP 07:35:18.32 -0.2 28.7 201 b:1.5+1 1.1 4.5 LTZ
FOZ eP 07:35:30.89 -1.3 30.3 204 b:6.9+1 1.5 5.2 FOZ
WKZ eP 07:35:44.46 -0.1 31.7 203 b:8.6+1 1.6 5.2 WKZ
WHZ eP 07:35:55.75 -0.2 33.0 204 b:6.9+1 1.6 5.2 WHZ
EIDS eP 07:36:01.53 -1.5 33.8 249 b:3.2+1 1.3 5.0 EIDS
ARMA eP 07:36:06.31 -1.8 34.4 240 b:3.2+1 1.5 4.9 ARMA
STKA eP 07:37:19.49 -1.2 43.1 241 b:4.8+0 1.0 4.3 STKA
BBOO eP 07:37:56.81 -1.6 47.8 241 b:1.6+1 1.0 4.8 BBOO
WB2 eP 07:38:05.78 -2.5 49.1 258 WB2
WRAB eP 07:38:06.16 -2.1 49.1 258 WRAB
AS01 eP 07:38:07.18 -2.3 49.3 253 AS01
AS31 eP 07:38:07.84 -2.0 49.3 253 b:3.6+0 .85 4.3 AS31
FITZ eP 07:39:07.62 -2.2 57.5 259 b:1.4+1 1.3 4.8 FITZ
SOEI eP 07:39:29.31 -0.7 60.4 268 b:8.2+1 1.1 5.7 SOEI
ASAJ eP 07:40:43.42 -1.2 72.2 329 b:1.2+1 1.1 4.6 ASAJ
SAO eP 07:40:46.08 -0.3 72.5 42 b:1.0+1 .85 4.7 SAO
HOPS eP 07:40:48.72 0.3 72.8 39 b:2.5+1 1.2 4.9 HOPS
KCPM eP 07:40:48.95 -0.4 73.0 39 b:1.6+1 1.1 4.7 KCPM
KMRM eP 07:40:50.68 -0.1 73.2 38 b:3.8+1 .94 5.2 KMRM
KHMM eP 07:40:52.22 -1.1 73.6 37 b:1.3+1 1.1 4.6 KHMM
CMB eP 07:40:54.55 -0.3 73.9 41 b:6.4+0 .85 4.5 CMB
WDC eP 07:40:54.92 -1.2 74.1 38 b:1.2+1 1.1 4.6 WDC
AFDM eP 07:40:55.10 -0.8 74.1 40 b:7.7+0 .94 4.5 AFDM
ORV eP 07:40:55.35 -0.7 74.1 40 b:5.4+0 .90 4.4 ORV
PFO eP 07:40:55.53 -0.2 74.0 47 b:8.1+0 1.1 4.5 PFO
XPFO eP 07:40:55.61 -0.2 74.0 47 b:9.5+0 1.1 4.5 XPFO
MDPB eP 07:40:58.35 -0.3 74.5 42 b:5.8+0 .92 4.4 MDPB
KEBM eP 07:40:58.82 0.2 74.6 36 b:2.8+1 1.1 5.0 KEBM
OMMB eP 07:40:58.95 0.0 74.6 42 b:4.7+0 1.0 4.3 OMMB
GSC eP 07:40:59.89 0.3 74.7 46 b:1.1+1 1.3 4.5 GSC
YBH eP 07:40:59.99 0.2 74.8 37 b:1.8+1 1.0 4.8 YBH
DAC eP 07:41:00.19 0.4 74.7 44 b:4.6+0 1.0 4.2 DAC
WAKR eP 07:41:00.68 0.5 74.8 42 b:8.2+0 .90 4.6 WAKR
BEKR eP 07:41:01.65 0.2 75.0 40 b:1.0+1 .96 4.6 BEKR
PNTR eP 07:41:02.04 0.5 75.0 41 b:1.3+1 .88 4.8 PNTR
HUMO eP 07:41:02.42 0.3 75.2 36 b:1.3+1 1.2 4.6 HUMO
VCNR eP 07:41:02.47 0.4 75.1 41 b:7.7+0 .90 4.5 VCNR
YERR eP 07:41:02.74 0.3 75.2 41 b:9.1+0 .86 4.6 YERR
NV01 eP 07:41:03.77 -0.3 75.5 42 NV01
RYN eP 07:41:04.17 0.3 75.5 42 b:7.0+0 .96 4.5 RYN
113A eP 07:41:04.50 0.4 75.5 49 b:7.3+0 .85 4.5 113A
Y12C eP 07:41:04.62 0.7 75.5 48 b:7.6+0 1.0 4.5 Y12C
PAHR eP 07:41:04.68 0.4 75.5 41 b:7.9+0 .92 4.5 PAHR
HSIG eP 07:41:05.41 -0.4 75.8 54 b:9.2+0 .70 4.7 HSIG
KVN eP 07:41:07.00 0.2 76.0 42 b:7.4+0 .98 4.5 KVN
TPNV eP 07:41:07.10 0.1 76.0 44 b:1.0+1 1.1 4.6 TPNV
MOD eP 07:41:08.51 0.0 76.3 38 b:1.7+1 1.1 4.8 MOD
SHPR eP 07:41:10.45 0.6 76.5 45 b:9.9+0 1.1 4.6 SHPR
W13A eP 07:41:10.85 0.2 76.6 47 b:6.5+0 1.0 4.4 W13A
Y14A eP 07:41:11.25 0.6 76.7 48 b:1.3+1 .95 4.7 Y14A
H04A eP 07:41:11.67 -0.3 76.9 35 b:1.3+1 1.3 4.6 H04A
PINE eP 07:41:13.33 0.3 77.1 36 b:1.7+1 .95 4.8 PINE
R11A eP 07:41:13.55 -0.2 77.2 43 b:1.1+1 1.2 4.5 R11A
WVOR eP 07:41:16.04 0.2 77.6 39 b:1.2+1 1.0 4.6 WVOR
TUC eP 07:41:16.26 1.0 77.5 51 b:9.5+0 .85 4.6 TUC
I07A eP 07:41:18.72 0.3 78.1 37 b:7.3+0 1.0 4.5 I07A
LCMT eP 07:41:19.15 0.6 78.1 46 b:1.0+1 .92 4.6 LCMT
X16A eP 07:41:19.40 1.0 78.0 49 b:1.1+1 .85 4.7 X16A
J08A eP 07:41:19.57 0.2 78.2 38 b:8.6+0 1.0 4.5 J08A
CCUT eP 07:41:20.31 0.5 78.3 45 b:1.6+1 1.0 4.8 CCUT
PSUT eP 07:41:21.07 0.3 78.4 44 b:8.7+0 .78 4.6 PSUT
KNB eP 07:41:21.08 0.9 78.4 46 b:1.4+1 .96 4.8 KNB
U15A eP 07:41:21.70 1.0 78.4 47 b:2.1+1 1.0 4.9 U15A
SZCU eP 07:41:21.70 0.8 78.5 45 b:1.5+1 1.0 4.7 SZCU
WUAZ eP 07:41:22.09 0.5 78.6 48 b:1.4+1 1.1 4.7 WUAZ
ELK eP 07:41:22.37 0.1 78.7 42 b:1.2+1 1.1 4.6 ELK
D05A eP 07:41:22.42 1.1 78.6 33 b:4.5+1 1.6 5.0 D05A
HPIG eP 07:41:23.90 -0.3 79.0 58 b:4.5+0 .70 4.4 HPIG
G08A eP 07:41:24.12 0.0 79.1 36 b:1.3+1 1.1 4.7 G08A
PKCU eP 07:41:25.11 1.6 78.9 46 b:2.8+1 .98 5.1 PKCU
HAWA eP 07:41:25.92 0.1 79.5 35 b:7.6+0 1.0 4.4 HAWA
SUA eP 07:41:26.96 -0.9 79.9 11 b:2.5+1 .84 5.1 SUA
MTPU eP 07:41:27.04 1.4 79.3 45 b:1.2+1 .96 4.7 MTPU
BMO eP 07:41:27.56 -0.3 79.8 37 b:6.4+0 1.0 4.4 BMO
MFID eP 07:41:27.90 -0.3 79.9 39 b:8.7+0 1.0 4.5 MFID
MSU eP 07:41:27.92 1.1 79.6 45 MSU
GAMB eP 07:41:28.66 0.2 80.0 1 b:1.2+1 1.0 4.7 GAMB
DUG eP 07:41:29.09 0.0 80.0 43 b:7.9+0 .95 4.5 DUG
E09A eP 07:41:29.70 -0.6 80.3 35 b:8.0+0 1.1 4.4 E09A
ZAIG eP 07:41:30.60 1.2 79.9 63 b:3.2+0 .80 4.2 ZAIG
DIV eP 07:41:30.95 -0.6 80.6 13 b:2.0+1 .92 4.9 DIV
B08A eP 07:41:31.77 -1.1 80.8 34 b:6.9+0 1.1 4.4 B08A
NLU eP 07:41:31.93 0.8 80.4 44 b:3.9+0 1.0 4.2 NLU
SCM eP 07:41:32.54 -0.6 80.9 12 b:2.6+1 .92 5.1 SCM
Q16A eP 07:41:32.63 1.1 80.4 45 b:7.1+0 .86 4.5 Q16A
HLID eP 07:41:33.31 0.0 80.8 39 b:1.5+1 1.1 4.7 HLID
MPU eP 07:41:33.42 0.6 80.7 44 MPU
TMUT eP 07:41:33.53 1.0 80.6 44 b:2.2+1 .90 5.0 TMUT
SPUT eP 07:41:33.60 0.1 80.8 42 b:8.2+0 1.0 4.5 SPUT
HVU eP 07:41:33.79 0.1 80.9 42 b:9.9+0 1.0 4.6 HVU
CTU eP 07:41:34.70 0.5 81.0 43 b:7.8+0 1.0 4.5 CTU
SRU eP 07:41:34.75 0.4 81.0 45 b:1.1+1 .84 4.7 SRU
P17A eP 07:41:35.30 0.8 81.0 44 b:1.1+1 1.1 4.6 P17A
JLU eP 07:41:35.45 0.3 81.1 43 b:9.5+0 .98 4.6 JLU
LAZ eP 07:41:36.13 0.6 81.2 51 LAZ
MNTX eP 07:41:36.26 0.3 81.3 53 b:1.0+1 .85 4.7 MNTX
LENM eP 07:41:36.35 0.9 81.2 51 LENM
TRF eP 07:41:37.01 -1.1 81.8 11 b:2.0+1 .96 4.9 TRF
TCUT eP 07:41:37.11 0.5 81.4 43 b:3.5+1 .88 5.2 TCUT
BNM eP 07:41:37.67 0.8 81.4 51 BNM
RND eP 07:41:37.94 -1.2 82.0 11 b:3.2+1 1.0 5.1 RND
PV05 eP 07:41:38.12 1.2 81.4 46 PV05
PV10 eP 07:41:38.12 0.2 81.6 46 PV10
PV17 eP 07:41:38.30 0.4 81.6 46 b:1.4+1 .98 4.8 PV17
TX31 eP 07:41:38.42 0.6 81.6 56 TX31
eP 07:41:38.92 0.9
PV14 eP 07:41:38.49 0.5 81.6 46 b:2.3+1 .94 5.0 PV14
PV20 eP 07:41:38.55 0.5 81.7 46 b:1.8+1 .94 4.9 PV20
PV09 eP 07:41:38.62 0.7 81.6 46 PV09
PV16 eP 07:41:38.63 0.4 81.7 46 b:1.0+1 1.0 4.6 PV16
PV19 eP 07:41:38.64 0.7 81.6 46 b:2.2+1 .92 5.0 PV19
PV03 eP 07:41:38.65 0.4 81.7 46 PV03
PV13 eP 07:41:38.76 0.6 81.7 46 b:1.4+1 1.0 4.7 PV13
PV11 eP 07:41:38.80 0.5 81.7 46 b:1.8+1 .98 4.8 PV11
PV23 eP 07:41:38.84 0.6 81.7 46 b:2.4+1 .84 5.1 PV23
PV12 eP 07:41:39.20 0.6 81.8 46 b:2.1+1 .96 4.9 PV12
PV21 eP 07:41:39.21 0.6 81.8 46 b:1.8+1 .92 4.9 PV21
PV02 eP 07:41:39.22 0.6 81.8 46 b:1.5+1 .94 4.8 PV02
MCK eP 07:41:39.34 -1.2 82.3 11 b:4.2+1 .92 5.3 MCK
PV01 eP 07:41:39.47 0.4 81.8 47 PV01
ANMO eP 07:41:39.63 0.3 81.9 50 b:8.6+0 .95 4.6 ANMO
MCMT eP 07:41:41.90 0.0 82.4 39 MCMT
GDL2 eP 07:41:42.28 1.0 82.3 53 GDL2
AHID eP 07:41:42.66 0.7 82.4 41 b:1.2+1 1.0 4.7 AHID
MSO eP 07:41:42.87 -1.1 82.9 37 b:1.6+1 1.4 4.7 MSO
WRH eP 07:41:43.72 -1.0 83.1 11 b:4.3+1 1.1 5.3 WRH
MLY eP 07:41:43.90 -1.2 83.2 10 b:1.2+1 .96 4.8 MLY
DLMT eP 07:41:44.26 0.2 82.9 39 b:1.1+1 .95 4.7 DLMT
HDA eP 07:41:44.42 -1.2 83.3 12 b:2.6+1 1.1 5.1 HDA
TPAW eP 07:41:44.44 0.0 82.9 41 b:1.8+1 .95 5.0 TPAW
FXWY eP 07:41:44.44 -0.1 82.9 41 b:1.7+1 1.3 4.8 FXWY
REDW eP 07:41:44.51 0.1 82.9 41 b:3.0+1 1.1 5.1 REDW
S22A eP 07:41:44.90 0.4 82.9 47 b:2.0+1 .85 5.1 S22A
O20A eP 07:41:45.17 0.1 83.0 45 b:1.4+1 .90 4.9 O20A
SNOW eP 07:41:45.30 0.3 83.0 41 b:2.7+1 .95 5.2 SNOW
MOOW eP 07:41:45.35 -0.4 83.2 41 b:8.0+0 1.1 4.6 MOOW
COLA eP 07:41:45.58 -1.2 83.5 11 b:4.7+1 1.0 5.4 COLA
MDM eP 07:41:45.64 -1.3 83.5 11 b:2.8+1 1.1 5.1 MDM
LOHW eP 07:41:45.86 0.0 83.2 41 b:1.2+1 1.1 4.7 LOHW
IMW eP 07:41:45.95 0.4 83.1 41 b:2.0+1 1.0 5.0 IMW
SCRK eP 07:41:45.95 -0.9 83.5 13 b:6.6+0 .84 4.6 SCRK
LNIG eP 07:41:46.08 -0.9 83.4 62 b:7.1+0 .80 4.6 LNIG
ILB eP 07:41:46.18 -1.1 83.6 11 ILB
PDAR eP 07:41:46.19 -0.9 83.4 42 PDAR
BW06 eP 07:41:46.38 -0.7 83.4 42 b:1.6+1 .85 5.0 BW06
IM3 eP 07:41:46.51 -0.8 83.6 8 IM3
PD31 eP 07:41:46.70 -0.4 83.4 42 PD31
SMCO eP 07:41:46.79 -0.7 83.4 46 b:1.4+1 .90 4.9 SMCO
FLWY eP 07:41:47.14 0.4 83.3 40 b:2.4+1 .95 5.1 FLWY
QLMT eP 07:41:47.19 0.9 83.3 40 QLMT
H17A eP 07:41:47.29 -0.7 83.6 40 b:1.0+1 .90 4.8 H17A
YFT eP 07:41:47.33 0.1 83.5 40 b:1.2+1 .96 4.8 YFT
YMR eP 07:41:47.34 -0.1 83.5 40 b:2.1+1 1.0 5.0 YMR
YNR eP 07:41:47.51 -0.9 83.7 40 b:1.2+1 1.1 4.7 YNR
YHB eP 07:41:47.71 0.8 83.4 40 b:2.5+1 .94 5.1 YHB
YPP eP 07:41:48.06 1.1 83.4 40 b:1.3+1 1.4 4.7 YPP
SDCO eP 07:41:48.77 -0.6 83.8 48 b:5.9+0 .95 4.5 SDCO
HRY eP 07:41:49.22 -0.7 84.0 38 HRY
LVIG eP 07:41:49.76 -1.5 84.2 68 b:1.5+1 .90 4.9 LVIG
MSTX eP 07:41:50.68 -0.6 84.2 52 b:1.9+1 .80 5.1 MSTX
PRP eP 07:41:50.88 -1.3 84.5 12 b:4.9+1 1.2 5.3 PRP
T25A eP 07:41:51.40 -0.5 84.3 49 b:1.9+1 1.6 4.8 T25A
RWWY eP 07:41:51.44 -0.9 84.4 44 b:2.1+1 .95 5.1 RWWY
DAWY eP 07:41:51.75 -0.6 84.6 15 b:1.5+1 1.1 4.8 DAWY
EGAK eP 07:41:52.58 -0.7 84.8 14 b:3.3+1 1.4 5.1 EGAK
RLMT eP 07:41:53.36 -0.5 84.8 40 b:1.7+1 1.1 4.9 RLMT
N23A eP 07:41:54.58 -0.2 84.9 45 b:1.3+1 1.1 4.8 N23A
COLD eP 07:41:55.80 0.0 85.3 9 b:1.2+1 1.3 4.7 COLD
BILL eP 07:41:55.81 -1.1 85.5 353 b:1.7+1 1.2 4.9 BILL
JCT eP 07:41:55.86 -0.1 85.2 57 b:4.8+0 1.0 4.4 JCT
AMTX eP 07:41:56.33 -0.9 85.4 52 b:1.1+1 .80 4.9 AMTX
PHWY eP 07:41:56.47 -0.9 85.4 45 b:8.9+0 1.2 4.6 PHWY
BJT eP 07:41:58.46 -0.7 85.9 314 b:1.8+1 1.3 4.9 BJT
ABTX eP 07:41:59.89 -0.7 86.1 55 b:2.4+1 .80 5.3 ABTX
ENH eP 07:42:04.55 -0.9 87.1 303 b:3.3+1 1.3 5.2 ENH
435B eP 07:42:04.98 -0.3 87.1 57 b:1.1+1 .80 4.9 435B
LAO eP 07:42:06.25 -0.2 87.4 40 b:1.6+1 1.0 5.0 LAO
RSSD eP 07:42:06.39 -1.4 87.6 43 b:6.0+0 .80 4.7 RSSD
DGMT eP 07:42:15.36 -0.5 89.4 39 b:3.2+1 1.0 5.4 DGMT
YKB5 eP 07:42:23.18 -1.2 91.3 24 YKB5
SNAA eP 07:42:26.58 -0.5 91.8 177 b:5.8+0 1.1 4.8 SNAA
PEL eP 07:42:27.16 -0.3 91.8 125 b:1.4+1 .90 5.3 PEL
CM01 eP 07:42:30.19 -0.7 92.5 288 CM01
UALR eP 07:42:30.71 -0.2 92.6 55 b:8.8+0 .90 5.1 UALR
OJC ePKPdf 07:48:53.55 -1.7 144.6 345 OJC
BUR04ePKPbc 07:48:55.50 -0.8 145.2 337 BUR0
BUR08ePKPbc 07:48:56.27 0.0 145.2 337 BUR0
MORC ePKPdf 07:48:56.54 -0.4 145.5 347 MORC
KHC ePKPdf 07:48:59.31 0.0 146.9 351 KHC
TIRR ePKPdf 07:48:59.70 1.3 146.4 330 TIRR
MLR ePKPdf 07:49:00.03 0.9 146.7 334 MLR
PSZ ePKPdf 07:49:00.24 1.2 146.7 343 PSZ
BR131ePKPdf 07:49:00.80 1.4 146.7 319 BR13
WLF ePKPdf 07:49:01.49 2.3 146.9 360 WLF
BFO ePKPbc 07:49:04.60 -0.3 148.2 357 BFO
ECH ePKPbc 07:49:04.64 -0.6 148.4 359 ECH
CLF ePKPbc 07:49:05.49 0.2 148.4 5 CLF
DIVS ePKPbc 07:49:09.24 -0.5 150.1 340 DIVS
FUORNePKPbc 07:49:09.30 0.1 149.8 354 FUOR
TUE ePKPbc 07:49:09.63 0.0 150.0 356 TUE
VTS ePKPbc 07:49:09.64 -0.4 150.1 334 VTS
BLY ePKPbc 07:49:09.85 -0.4 150.3 344 BLY
SENINePKPbc 07:49:10.49 0.3 150.2 358 SENI
SSB ePKPbc 07:49:12.29 -0.2 151.3 2 SSB
BNI ePKPbc 07:49:14.05 0.8 151.5 359 BNI
Generated 2013 JAN 22 at 07:55 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
